3/8" Washers

74 Results
Equalizing Swing C Assembly Washers -- 37301
from Jergens, Inc.

Jergens Equalizing Swing C Assembly Washers have a concave center for self-locating around the stud, which prevents creeping while tightening, and allows acceptance of the mating spherical flange nuts. The spherical flange nut assures that the washer cannot back out either during clamping or due to... [See More]

  • Number Size: 3/8"
  • Material: Steel; Low Carbon Steel
  • Washer Type: C-Washer
  • Finish: BlackOxide
Shoulder Washer, Nylon
from BRIM Electronics, Inc.

Nylon has high tensile & torque strength, lightweight, non-magnetic, chemical & corrosion resistant. Per MIL-P-20693A. Color: Natural (White). Oper. Temp.: +185 °F RoHS compliant. Std. Pkg.: 100, 1000. [See More]

  • Number Size: No. 2; No. 4; No. 6; No. 8; No. 10; 1/4"; 3/8"
  • Inside Diameter: 0.093 to 0.378
  • Washer Type: Shoulder
  • Outside Diameter: 0.250 to 0.750
Helical Spring Lock Washers
from National Bolt & Nut Corporation

HELICAL SPRING LOCK WASHERS. Helical spring lock washers possess a hardened bearing surface that allows for more uniform torque control, and harness greater bolt tension per unit of applied torque. Helical spring lock washers are one of the most common anti-loosening components used for a great... [See More]

  • Number Size: 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 9/16"; 5/8"; 3/4"; 7/8"; 1"; 1-1/8"; 1-14"; 1-3/8"; 1-1/2"; 1-5/8"; 1-3/4"; 2"
  • Material: HardenedSteel
  • Washer Type: Lockwasher, Helical Spring
  • Finish: ZincPlated (optional feature); ZincChromate (optional feature); Plain
3/8 Screw Size, 0.385" Inside Diameter, 0.68" Outside Diameter, 0.094" Material Thick alloy steel Split Washer -- A 9Q19-37
from Stock Drive Products & Sterling Instrument - SDP/SI

Industrial fasteners are hardware devices that join two or more items together, creating a semi-permanent or permanent connection. The fasteners most frequently used by machinery designers are screws, nuts, retaining rings, and various types of pins because of the basic role that they play in the... [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.385
  • Washer Type: Lockwasher, Helical Spring
  • Outside Diameter: 0.680
Self-Sealing Washer -- 75122
from APM Hexseal Corp.

SEELOC ® Washers are self-sealing, vibration-resistant washers, each having a silicone rubber section, molded and bonded to a stainless steel formed washer. These washers are designed for use with regular screws, bolts, or studs for sealing panels and enclosures having standard as well as large... [See More]

  • Number Size: 3/8"
  • Outside Diameter: 1.000
  • Washer Type: Self-sealing
  • Material: StainlessSteel; Rubber
Washers -- 2452800
from RS Components, Ltd.

3/8" Grade 8 SAE Flat Washer Yellow [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.401
  • Washer Type: Plain
  • Outside Diameter: 0.805
Sealing Washers
from ZAGO Manufacturing Company, Inc.

Environmental elements can easily make their way into the inner parts of sensitive electronic devices. However, with ZAGO ’s panel bushing seals, you can control potential leaks with the most easy to use and economical product on the market. ZAGO ’s panel bushing seals are composed of a... [See More]

  • Number Size: No. 0; No. 1; No. 2; No. 4; No. 6; No. 8; No. 10; No. 12; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"
  • Metric Size: M1.6; M2.0; M2.5; M3; M3.5; M4; M5; M6; M8; M10; M12; M14; M16; M20; M24; M30
  • Washer Type: Self-sealing
  • Material: Steel; StainlessSteel
Flat Washers -- 31904
from Jergens, Inc.

Jergens Flat Washers incorporate spacing and distribute load when placed between a nut and bolt or screw. They will help prevent wear and distortion of installation surfaces over time. Features, Benefits, & Product Specifications: Material: Available in 1010 Cold Rolled Steel and 303 Stainless... [See More]

  • Number Size: 3/8"
  • Material: Steel; StainlessSteel; Available in 1010 Cold Rolled Steel and 303 Stainless Steel
  • Washer Type: Flat or USS
  • Finish: BlackOxide
SAE Flat Washers
from National Bolt & Nut Corporation

SAE FLAT WASHERS. National Bolt & Nut offers a series of type A, narrow SAE flat washers that meet ANSI B18.22.1 dimensional specifications. Similar in style to USS flat washers, SAE flat washers are constructed from thinner materials and offer a smaller inner and outer diameter than their USS... [See More]

  • Number Size: 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 9/16"; 5/8"; 3/4"; 7/8"; 1"; 1-1/8"; 1-14"; 1-1/2"
  • Material: HardenedSteel
  • Washer Type: SAE
  • Finish: ZincPlated (optional feature); ZincChromate (optional feature); Plain
External Lock Washer, 3/8 Screw Size, 0.6875in. Outside Diameter, .036in. Thick, Material- Stainless Steel. -- A 9X21-E38
from Stock Drive Products & Sterling Instrument - SDP/SI

Industrial fasteners are hardware devices that join two or more items together, creating a semi-permanent or permanent connection. The fasteners most frequently used by machinery designers are screws, nuts, retaining rings, and various types of pins because of the basic role that they play in the... [See More]

  • Number Size: 3/8"
  • Outside Diameter: 0.688
  • Washer Type: Lockwasher, External Tooth
  • Thickness: 0.036
Washers -- 2452811
from RS Components, Ltd.

3/8" SAE Flat Washer Steel Zinc Plated [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.401
  • Washer Type: Plain
  • Outside Diameter: 0.805
Heavy Duty Flat USAE™ Washers -- FW00003
from Jergens, Inc.

Jergens Heavy Duty Flat USAE ™ Washers are a simple but effective idea that is long overdue. The outside diameter conforms to USS standards and the inside diameter conforms to SAE standards. The small inside diameter provides a more precise fit on bolts, studs, etc. These washers are up to 37%... [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.406
  • Washer Type: Flat or USS
  • Outside Diameter: 1.000
USS Flat Washers
from National Bolt & Nut Corporation

USS FLAT WASHERS. One of the most common types of flat washers, National Bolt & Nut ’s Type A wide series USS flat washers possess a flat bearing surface underneath the fastener that more evenly distributes pressure. Designed to meet most industrial applications, ranging from maintenance... [See More]

  • Number Size: 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 9/16"; 5/8"; 3/4"; 7/8"; 1"; 1-1/8"; 1-14"; 1-3/8"; 1-1/2"; 1-5/8"; 1-3/4"; 1-7/8"; 2"
  • Material: HardenedSteel
  • Washer Type: Flat or USS
  • Finish: ZincPlated (optional feature); ZincChromate (optional feature); Plain
Molded Sholuder Washer, 3/8 Screw Size, .385in. Inside Diameter, .750in. Outside Diameter, .120in. Overall Width. Material- Nylon (Zytel 101). -- A 9M68-2406
from Stock Drive Products & Sterling Instrument - SDP/SI

Industrial fasteners are hardware devices that join two or more items together, creating a semi-permanent or permanent connection. The fasteners most frequently used by machinery designers are screws, nuts, retaining rings, and various types of pins because of the basic role that they play in the... [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.385
  • Washer Type: Shoulder
  • Outside Diameter: 0.750
Washers -- 2452837
from RS Components, Ltd.

3/8" .086 Thick SAE Grade 8 Flat Washer [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.401
  • Washer Type: Plain
  • Outside Diameter: 0.805
Heavy Duty Flat Washers -- 31969
from Jergens, Inc.

Jergens Heavy Duty Flat Washers are made from high-carbon through-hardened steel, which makes them up to 50% stronger than standard heavy-duty washers. Also more fracture-resistant under heavy loads. Features, Benefits, & Product Specifications: Material: High Carbon Steel. Finish: Black Oxide. [See More]

  • Number Size: 3/8"
  • Material: Steel; High Carbon Steel
  • Washer Type: Flat or USS
  • Finish: BlackOxide
Washers -- 2452859
from RS Components, Ltd.

3/8" .086 Thick USS Grade 8 Flat Washer [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.433
  • Washer Type: Plain
  • Outside Diameter: 1.007
Heavy Duty Square Washers -- 31921
from Jergens, Inc.

Jergens Heavy Duty Square Washers incorporate spacing and distribute load when placed between a nut and bolt or screw. They will help prevent wear and distortion of installation surfaces over time. Features, Benefits, & Product Specifications: Material: 1018 Steel. Finish: Black Oxide. Heat... [See More]

  • Number Size: 3/8"
  • Thickness: 0.188
  • Washer Type: Square or Rectangle
  • Material: Steel; 1018 Steel
Washers -- 2452886
from RS Components, Ltd.

3/8" USS Flat Washer Steel Zinc Plated [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.433
  • Washer Type: Plain
  • Outside Diameter: 1.007
Self Aligning Washers (2 Piece) -- 41204
from Jergens, Inc.

Self Aligning Washers (2 Piece). Jergens Self Aligning Washers are ideally suited for joining machine sections that are out of parallel. They adjust themselves for a positive, firm base. With radius “E ” and the angular 14 ° combination, line contact is formed around the two mating... [See More]

  • Number Size: 3/8"
  • Finish: BlackOxide
  • Material: Steel; StainlessSteel; Available in Low Carbon Steel and 303 Stainless Steel
Washers -- 2452887
from RS Components, Ltd.

3/8" Flat Washer Galvanized [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.433
  • Washer Type: Plain
  • Outside Diameter: 1.007
Fender Washer -- 404968
from Fastener SuperStore, Inc.

3/8 X 2 Fender Washers / 18-8 Stainless Steel. A flat washer with significantly more surface area than a USS or SAE washer. They are also made from a thinner gauge metal than most flat washers. Used where an extra wide bearing surface is required. Originally designed for auto body repair work, they... [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.406
  • Washer Type: Fender
  • Outside Diameter: 2.000
Bevel Washer -- BW-3 [BW-3 from Chicago Hardware & Fixture Company]
from Reid Supply

Bevel washers are used with eye bolts to correct taper when used on I-beams and other structural applications. . BW-3 [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.438
  • Washer Type: Beveled; Square or Rectangle
  • Thickness: 0.343
Belleville Washer - Non Metric -- 40915
from Minerallac Company

NON-SERRATED TYPE. SPRING STEEL MATERIAL. ZINC PLATED FINISH. 0.39 INCH INNER DIAMETER. 0.75 INCH OUTER DIAMETER. 3/8 INCH NOMINAL SIZE. 0.05 INCH THICKNESS. 1700 LB LOAD RATING. PACKAGING QUANTITY 100 PER BOX [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.390
  • Washer Type: Belleville
  • Outside Diameter: 0.750
Spring Lock Washer - Non Metric -- HLKW037 EG
from Atkore International

SPLIT TYPE. ELECTROGALVANIZED FINISH. 3/8 INCH FASTENER SIZE. UNISTRUT. BRAND. WEIGHT 0.63 LB PER 100 PIECE. STANDARDS AND SPECIFICATIONS FINISH ASTM B633 TYPE III SCI [See More]

  • Number Size: 3/8"
  • Finish: Galvanized
  • Washer Type: Lockwasher, Helical Spring
3/8" Internal Tooth Lock Washer, Zinc -- WSHINT0300BZ
from NBS Corp.

Featuring internal teeth to provide secure locking, all NBS internal tooth lock washers are sourced exclusively from ISO-9001 accredited manufacturers. Available from #4 through 3/8 ” internal diameter, all internal tooth lock washers come with zinc finish. [See More]

  • Number Size: 3/8"
  • Material: Steel
  • Washer Type: Lockwasher, Internal Tooth
  • Finish: ZincPlated
1074 High-Carbon Steel Alloy Belleville Washer -- AB380-725-35
from American Belleville

American Belleville washers hold your bolted joint tight in the face of the most extreme cases of differential thermal expansion/contractionn, bolt creep and vibration that threaten the integrity of the joint. We specialize in high-temperature applications and the most corrosive environments where... [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.380
  • Washer Type: Belleville
  • Outside Diameter: 0.730
Hardened Flat Washer: 3/8 Stud Size -- 42603
from Te-Co, Inc.

Product Information. Black Oxide Finish: steel washers only. Case Hardened: steel washers only. Material: C1010 Steel or 303 Stainless Steel. Many sizes conform to TCMAI standards. Large Quantities quoted upon request. Metric dimensions in millimeters. Standard package quantity 42600-42609: 50 pcs. [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.375
  • Washer Type: Flat or USS
  • Material: HardenedSteel
Inch Series Hi-Collar Lock Washers
from Bayou City Bolt & Supply Co., Inc.

A nut is a type of fastener with a threaded hole. Nuts are almost always used opposite a mating bolt to fasten parts together. The two components work together by a combination of friction between the threads, a slight stretch of the bolt, and compression of the mating parts. Nuts are graded with... [See More]

  • Number Size: 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 9/16"; 5/8"; 3/4"; 7/8"; 1"; 1-1/8"; 1-14"; 1-1/2"
  • Inside Diameter: 0.260 to 1.534
  • Washer Type: Lockwasher, External Tooth; Lockwasher, Helical Spring; Lockwasher, Internal Tooth
  • Outside Diameter: 0.363 to 2.159
Fender Washer - Non Metric -- E20-11
from Ebinger Manufacturing Corp.

ZINC PLATED FINISH. 3/8 INCH FASTENER SIZE. STANDARD PACKAGING QUANTITY 100 [See More]

  • Number Size: 3/8"
  • Finish: ZincPlated
  • Washer Type: Fender
Flat Washers
from G.L. Huyett

Flat washers are available in a wide range of sizes, finishes, and materials. They provide surface protection by distributing pressure evenly over the part being secured, prevent pullout of fasteners, and relieve surface friction to prevent loosening when fastening uneven surfaces. [See More]

  • Number Size: No. 8; No. 10; 1/4"; 5/16"; 3/8"; 1/2"
  • Material: StainlessSteel; Carbon Steel
  • Washer Type: Flat or USS
  • Finish: ZincPlated
Belleville and Flat Spring Washers -- B0750-028
from ASRaymond

Stock sizes in high-carbon and stainless steels. Belleville spring washers are especially suited for high loads in small spaces. By combining them in varying sequence, each size gives numerous load-carrying possibilities. These washers have had all set removed during manufacture. Material. Spring... [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.380
  • Washer Type: Belleville
  • Outside Diameter: 0.750
Belleville Washer - Non Metric -- 38BWSS
from Peco Fasteners, Inc.

STAINLESS STEEL MATERIAL. PACKAGING QUANTITY 100 PER PACK. FASTENER SIZE 3/8 INCH [See More]

  • Number Size: 3/8"
  • Material: StainlessSteel
  • Washer Type: Belleville
Lock Washer -- 3/8 - EXT - LK - WA
from PENCOM

Custom sizes/other finishes available [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.384 to 0.398
  • Washer Type: Lockwasher, External Tooth
  • Outside Diameter: 0.670 to 0.694
Connector Compression Washer -- SSBW-6
from NSI Industries LLC

BELLEVILLE TYPE. STAINLESS STEEL MATERIAL. STAINLESS STEEL FINISH. 3/8 INCH BOLT SIZE. CONSTRUCTIONAL FEATURE CORROSION RESISTANT. APPLICATION HARDWARE FOR LUG. SSBW MODEL [See More]

  • Number Size: 3/8"
  • Material: StainlessSteel
  • Washer Type: Belleville
  • Finish: Stainless Steel
Flat Washer - Non Metric -- FW38
from L.H. Dottie Company

ROUND TYPE. STEEL MATERIAL. ZINC PLATED FINISH. 7/16 INCH INNER DIAMETER. 1 INCH OUTER DIAMETER. 1/16 INCH THICKNESS. 3/8 INCH FASTENER SIZE. CONSTRUCTIONAL FEATURE CORROSION RESISTANT. PC 4110 MODEL [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.438
  • Washer Type: Flat or USS
  • Outside Diameter: 1.000
Mil-Spec Washer -- 256685
from Fastener SuperStore, Inc.

3/8 (AN960-616) Military Machine Screw Washer / AN Standard / Steel / Cadmium Yellow. Tested & Certified to Military Standards. [See More]

  • Number Size: 3/8"
  • Material: Steel
  • Washer Type: Flat or USS; Military Machine Screw Washer
  • Finish: Cadmium Yellow
Flat Washer - Non Metric -- 40335
from Minerallac Company

ROUND TYPE. STEEL MATERIAL. ZINC PLATED FINISH. 0.419 INCH INNER DIAMETER. 0.827 INCH OUTER DIAMETER. 0.08 INCH THICKNESS. 3/8 INCH FASTENER SIZE. COLOR SILVER. PACKAGING QUANTITY 100 PER BOX [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.419
  • Washer Type: Flat or USS
  • Outside Diameter: 0.827
Spring Lock Washer - Non Metric -- PS 211 3/8
from Atkore International

ALUMINUM FINISH FINISH. 3/8 INCH FASTENER SIZE. POWER-STRUT. BRAND. WEIGHT 0.7 LB PER 100 PIECES. PS 211 MODEL [See More]

  • Number Size: 3/8"
  • Finish: ALUMINUM FINISH
  • Washer Type: Lockwasher, Helical Spring
3/8" Mediu M Split Lock Washer, Zinc -- WSHSLK030Z
from NBS Corp.

Featuring a split ring and bent into a helical shape, all NBS medium split lock washers are sourced exclusively from ISO-9001 accredited manufacturers. Available from #6 through ¾ ” internal diameter, all medium split lock washers come with zinc finish. [See More]

  • Number Size: 3/8"
  • Material: Steel
  • Washer Type: Lockwasher, Helical Spring
  • Finish: ZincPlated
Heavy Duty Hardened Flat Washer: 3/8 Stud Size -- 42621
from Te-Co, Inc.

Product Information. Black Oxide Finish. Case Hardened. C1010 Material. Large Quantities quoted upon request. Standard package quantity 42619-42626: 50 pcs. [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.375
  • Washer Type: Flat or USS
  • Material: HardenedSteel
Flat Washer - Non Metric -- ESW2
from Ebinger Manufacturing Corp.

ROUND TYPE. ZINC PLATED FINISH. 3/8 INCH FASTENER SIZE [See More]

  • Number Size: 3/8"
  • Finish: ZincPlated
  • Washer Type: Flat or USS
Dome Spring Washer -- BC0750-022-S
from ASRaymond

Stock Sizes in stainless steel and carbon steel. Clover ®Dome spring washers are well suited for applications where a Belleville washer or disc spring does not provide adequate deflection, or where the load obtained from a wave washer is not sufficient for the application. By combining washers... [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.380
  • Washer Type: Clover Dome™
  • Outside Diameter: 0.750
Flat/Plain Washer - Non Metric -- 38FWG8SAEYZJ
from Peco Fasteners, Inc.

APPLICABLE STANDARD SAE. FASTENER SIZE 3/8 INCH. FINISH/COATING ZINC PLATED. TYPE ROUND. COLOR YELLOW. PACKAGE QUANTITY 100 PIECES [See More]

  • Number Size: 3/8"
  • Finish: ZincPlated
  • Washer Type: Flat or USS
Flat Washer - Non Metric -- SSFW-6
from NSI Industries LLC

ROUND TYPE. STAINLESS STEEL MATERIAL. 3/8 INCH FASTENER SIZE. APPLICATION HARDWARE FOR LUG [See More]

  • Number Size: 3/8"
  • Material: StainlessSteel
  • Washer Type: Flat or USS
Flat Washer - Non Metric -- FWBR38
from L.H. Dottie Company

ROUND TYPE. SOLID BRASS MATERIAL. 7/16 INCH INNER DIAMETER. 1 INCH OUTER DIAMETER. 5/64 INCH THICKNESS. 3/8 INCH FASTENER SIZE. FW MODEL [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.438
  • Washer Type: Flat or USS
  • Outside Diameter: 1.000
Flat Washer - Non Metric -- 42335
from Minerallac Company

ROUND TYPE. SILICON BRONZE MATERIAL. 7/16 INCH INNER DIAMETER. 1 INCH OUTER DIAMETER. 14 GAUGE THICKNESS. 3/8 INCH FASTENER SIZE. COLOR COPPER. PACKAGING QUANTITY 100 PER BOX [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.438
  • Washer Type: Flat or USS
  • Outside Diameter: 1.000
3/8" SAE Flat Washer, Zinc -- WSHSAEC030Z
from NBS Corp.

Compatible with fine thread nuts and bolts, all NBS SAE flat washers are sourced exclusively from ISO-9001 accredited manufacturers. Available from #4 through 1 ” internal diameter, all SAE flat washers come with zinc finish. [See More]

  • Number Size: 3/8"
  • Material: Steel
  • Washer Type: Flat or USS
  • Finish: ZincPlated
Stainless Steel Female (Bottom) Spherical Washer: 5/16 and 3/8 Stud Size -- 47742
from Te-Co, Inc.

Product Information. Material: 303 Stainless Steel. Reduces stress on threads. Bottom Washer can be used with Spherical Flange Nuts. Compensates for slight misalignment between the workpiece and strap clamp. Many sizes conform to TCMAI standards. Special sizes quoted upon request [See More]

  • Number Size: 5/16"; 3/8"
  • Inside Diameter: 0.312 to 0.375
  • Washer Type: Spherical
  • Material: StainlessSteel
Flat/Plain Washer - Non Metric -- ESW2-250
from Ebinger Manufacturing Corp.

FASTENER SIZE 3/8 INCH. FINISH/COATING ZINC PLATED. TYPE ROUND. PACKAGING QUANTITY 100 PER PACK. PACKAGING TYPE PLASTIC BOX [See More]

  • Number Size: 3/8"
  • Finish: ZincPlated
  • Washer Type: Flat or USS
Flat/Plain Washer - Non Metric -- 38FWHDGJ
from Peco Fasteners, Inc.

FASTENER SIZE 3/8 INCH. FINISH/COATING HOT DIP GALVANIZED. TYPE ROUND. PACKAGE QUANTITY 50 PIECES [See More]

  • Number Size: 3/8"
  • Finish: Galvanized
  • Washer Type: Flat or USS
Spring Lock Washer - Non Metric -- SLW-6
from NSI Industries LLC

SPLIT TYPE. SILICONE BRONZE MATERIAL. 3/8 INCH FASTENER SIZE. APPLICATION LUG. SLW MODEL [See More]

  • Number Size: 3/8"
  • Material: Silicon Bronze
Flat Washer - Non Metric -- FWBZ38
from L.H. Dottie Company

ROUND TYPE. SILICON BRONZE MATERIAL. 7/16 INCH INNER DIAMETER. 1 INCH OUTER DIAMETER. 5/64 INCH THICKNESS. 3/8 INCH FASTENER SIZE. FW MODEL [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.438
  • Washer Type: Flat or USS
  • Outside Diameter: 1.000
Flat Washer - Non Metric -- 43335
from Minerallac Company

ROUND TYPE. BRASS MATERIAL. 0.453 INCH INNER DIAMETER. 1.03 INCH OUTER DIAMETER. 0.104 INCH THICKNESS. 3/8 INCH FASTENER SIZE. COLOR COPPER. PACKAGING QUANTITY 100 PER BOX [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.453
  • Washer Type: Flat or USS
  • Outside Diameter: 1.030
3/8" USS Flat Washer, Zinc -- WSHUSSC030Z
from NBS Corp.

Compatible with coarse thread nuts and bolts, all NBS USS flat washers are sourced exclusively from ISO-9001 accredited manufacturers. Available from 3/16 ” through 1 ” internal diameter, all USS flat washers come with zinc finish. [See More]

  • Number Size: 3/8"
  • Material: Steel
  • Washer Type: Flat or USS
  • Finish: ZincPlated
Stainless Steel Male (Top) Spherical Washer: 5/16 and 3/8 Stud Size -- 47722
from Te-Co, Inc.

Product Information. Material: 303 Stainless Steel. Reduces stress on threads. Bottom Washer can be used with Spherical Flange Nuts. Compensates for slight misalignment between the workpiece and strap clamp. Many sizes conform to TCMAI standards. Special sizes quoted upon request [See More]

  • Number Size: 5/16"; 3/8"
  • Inside Diameter: 0.312 to 0.375
  • Washer Type: Spherical
  • Material: StainlessSteel
Spring Lock Washer - Non Metric -- ELW14
from Ebinger Manufacturing Corp.

MEDIUM SPLIT TYPE. ZINC PLATED FINISH. 3/8 INCH FASTENER SIZE [See More]

  • Number Size: 3/8"
  • Finish: ZincPlated
  • Washer Type: Lockwasher, Helical Spring
Flat/Plain Washer - Non Metric -- 38FWSB
from Peco Fasteners, Inc.

FASTENER SIZE 3/8 INCH. MATERIAL SILICON BRONZE. TYPE ROUND. PACKAGE QUANTITY 100 PIECES [See More]

  • Number Size: 3/8"
  • Material: Brass
  • Washer Type: Flat or USS
Flat Washer - Non Metric -- FWS38
from L.H. Dottie Company

ROUND TYPE. STAINLESS STEEL MATERIAL. 7/16 INCH INNER DIAMETER. 1 INCH OUTER DIAMETER. 5/64 INCH THICKNESS. 3/8 INCH FASTENER SIZE. USED ON GRADE 5 AND 8 BOLT. SERIES FW MODEL [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.438
  • Washer Type: Flat or USS
  • Outside Diameter: 1.000
Flat Washer - Non Metric -- 70335
from Minerallac Company

ROUND TYPE. 18-8 STAINLESS STEEL MATERIAL. STAINLESS FINISH. 0.419 INCH INNER DIAMETER. 0.827 INCH OUTER DIAMETER. 0.08 INCH THICKNESS. 3/8 INCH FASTENER SIZE. COLOR SILVER. PACKAGING QUANTITY 100 PER BOX [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.419
  • Washer Type: Flat or USS
  • Outside Diameter: 0.827
3/8" USS Washer Through Hardened, Zinc Yellow -- WSHG8USS030Y
from NBS Corp.

Made from medium carbon steel and heat treated for extra hardness, all NBS through hardened USS washers are sourced exclusively from ISO-9001 accredited manufacturers. Available from ¼ ” through 1 ” internal diameter, all through hardened USS washers come with zinc yellow... [See More]

  • Number Size: 3/8"
  • Finish: ZincChromate
  • Material: Steel
Stainless Steel Spherical Washer Assembly: 5/16 and 3/8 Stud Size -- 47702
from Te-Co, Inc.

Product Information. Material: 303 Stainless Steel. Reduces stress on threads. Bottom Washer can be used with Spherical Flange Nuts. Compensates for slight misalignment between the workpiece and strap clamp. Many sizes conform to TCMAI standards. Special sizes quoted upon request [See More]

  • Number Size: 5/16"; 3/8"
  • Inside Diameter: 0.312 to 0.375
  • Washer Type: Spherical
  • Material: StainlessSteel
Flat/Plain Washer - Non Metric -- 38FWSS
from Peco Fasteners, Inc.

FASTENER SIZE 3/8 INCH. MATERIAL STAINLESS STEEL. TYPE ROUND. PACKAGE QUANTITY 100 PIECES [See More]

  • Number Size: 3/8"
  • Material: StainlessSteel
  • Washer Type: Flat or USS
Flat Washer - Non Metric -- SQW38
from L.H. Dottie Company

SQUARE TYPE. 304, 316 STAINLESS STEEL MATERIAL. ELECTROGALVANIZED FINISH. 3/8 INCH FASTENER SIZE. SQW MODEL [See More]

  • Number Size: 3/8"
  • Material: StainlessSteel
  • Washer Type: Flat or USS
  • Finish: Galvanized
Spring Lock Washer - Non Metric -- 40535
from Minerallac Company

SPLIT TYPE. STEEL MATERIAL. ZINC PLATED FINISH. 0.385 INCH INNER DIAMETER. 0.68 INCH OUTER DIAMETER. 0.094 INCH THICKNESS. 3/8 INCH FASTENER SIZE. PACKAGING QUANTITY 100 PER BOX [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.385
  • Washer Type: Spring Lock Washer - Non Metric
  • Outside Diameter: 0.680
3/8" x 1-1/2" Fender Washer, Zinc -- WSHFENC030014Z
from NBS Corp.

Featuring oversized outside diameter, all NBS SAE flat washers are sourced exclusively from ISO-9001 accredited manufacturers. Available from 3/16 ” through 1/2 ” internal diameter, all SAE flat washers come with zinc finish. [See More]

  • Number Size: 3/8"
  • Outside Diameter: 1.500
  • Washer Type: Fender
  • Material: Steel
Flat/Plain Washer - Non Metric -- 38FWUSS5#Z
from Peco Fasteners, Inc.

APPLICABLE STANDARD USS. FASTENER SIZE 3/8 INCH. FINISH/COATING ZINC PLATED. TYPE ROUND. PACKAGE QUANTITY 5 PIECES [See More]

  • Number Size: 3/8"
  • Finish: ZincPlated
  • Washer Type: Flat or USS
Flat/Plain Washer - Non Metric -- FWHA38
from L.H. Dottie Company

FASTENER SIZE 3/8 INCH. FINISH/COATING ZINC PLATED. INNER DIAMETER 7/16 INCH. INNER DIAMETER - DECIMAL .4375. INNER DIAMETER - DECIMAL - UOM IN. INNER DIAMETER - FRACTIONAL 7/16. OUTER DIAMETER 1 INCH. OUTER DIAMETER - DECIMAL 1. OUTER DIAMETER - DECIMAL - UOM IN. OUTER DIAMETER - FRACTIONAL 1. [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.438
  • Washer Type: Flat or USS
  • Outside Diameter: 1.000
Spring Lock Washer - Non Metric -- 42535
from Minerallac Company

SPLIT TYPE. SILICON BRONZE MATERIAL. 0.385 INCH INNER DIAMETER. 0.68 INCH OUTER DIAMETER. 0.094 INCH THICKNESS. 3/8 INCH FASTENER SIZE. PACKAGING QUANTITY 100 PER BOX [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.385
  • Washer Type: Spring Lock Washer - Non Metric
  • Outside Diameter: 0.680
Flat/Plain Washer - Non Metric -- 38FWUSSP
from Peco Fasteners, Inc.

APPLICABLE STANDARD USS. FASTENER SIZE 3/8 INCH. FINISH/COATING PLAIN FINISH. TYPE ROUND. PACKAGE QUANTITY 100 PIECES [See More]

  • Number Size: 3/8"
  • Washer Type: Flat or USS
Spring Lock Washer - Non Metric -- LW38
from L.H. Dottie Company

SPLIT TYPE. STEEL MATERIAL. ZINC PLATED FINISH. 3/8 INCH FASTENER SIZE. CONSTRUCTIONAL FEATURE CORROSION AND CHEMICAL RESISTANT. PC 4110 MODEL [See More]

  • Number Size: 3/8"
  • Material: Steel
  • Washer Type: Lockwasher, Helical Spring
  • Finish: ZincPlated
Spring Lock Washer - Non Metric -- 70535
from Minerallac Company

SPLIT TYPE. STAINLESS STEEL MATERIAL. 0.385 INCH INNER DIAMETER. 0.68 INCH OUTER DIAMETER. 0.094 INCH THICKNESS. 3/8 INCH FASTENER SIZE. PACKAGING QUANTITY 100 PER BOX [See More]

  • Number Size: 3/8"
  • Inside Diameter: 0.385
  • Washer Type: Spring Lock Washer - Non Metric
  • Outside Diameter: 0.680
Lock Tooth Washer - Non Metric -- 38ESLWZ
from Peco Fasteners, Inc.

EXTERNAL TOOTH TYPE. 3/8 INCH FASTENER SIZE. PACKAGING QUANTITY 100 PIECES. FINISH/COATING ZINC PLATED [See More]

  • Number Size: 3/8"
  • Finish: ZincPlated
  • Washer Type: Lockwasher, External Tooth
Spring Lock Washer - Non Metric -- LWBZ38
from L.H. Dottie Company

SPLIT TYPE. SILICON BRONZE MATERIAL. 3/8 INCH FASTENER SIZE. APPLICATION SCREWS AND BOLTS. LW MODEL [See More]

  • Number Size: 3/8"
  • Material: Copper Alloy
  • Washer Type: Lockwasher, Helical Spring