5/16 x 1/2-20 UNF Commercial Grade Compression Nut, Natural -- APCONU312N
from Ark-PlasĀ® Products, Inc.

Our Commercial Grade Fittings are molded for ease of use in application.No special tools or ferrules are required for fitting insertion. Ark-Plas ® Commercial Grade Fittings fit the need when a low cost, high performance fitting is required that is both cost efficient and reliable. With high... [See More]

  • Size: 5/16"
  • Material: Plastic; Nylon
  • Type: Compression Connector Nut
Inch Series Finish Hex Nuts
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]

  • Size: 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"; 1 1/8"; 1 1/4"; 1 3/8"; 1 1/2"; 1 3/4"; 2"; 2 1/4"; 2 1/2"; 2 3/4"
  • Material: Steel (optional feature); Stainless Steel (optional feature); Plastic (optional feature); Nylon (optional feature); Alloy Steel
  • Type: Hex Nut
  • Standards: ASME/ANSI (optional feature); SAE (optional feature); ASTM
NUTS; HEX NUTS -- Y5-13
from Berg W.M., Inc.

HEX NUTS [See More]

  • Size: 5/16"
  • Material: Stainless Steel
  • Type: Hex Nut
Nuts -- 05C-JNYZ
from Berliss

Nut for casters [See More]

  • Size: 5/16"
  • Thread Direction: Right Hand
  • Type: Hex Nut
Acorn Nuts
from Carr Lane Manufacturing Co.

Tall heavy-hex nut with a closed end. Acorn Nuts cap off the end of a stud to prevent snagging or damage to the threads. [See More]

  • Size: 1/4" (optional feature); 5/16" (optional feature); 3/8" (optional feature); 1/2" (optional feature); 5/8" (optional feature); 3/4" (optional feature); M6 (optional feature); M8 (optional feature); M10 (optional feature); M12 (optional feature); M16 (optional feature); M20 (optional feature)
  • Material: Steel
  • Type: Acorn Nut
  • Finish: Black Oxide
Knurled Nuts -- Stainless
from Fixtureworks

Knurled for easy gripping. Stainless steel with natural finish. Thru-Hole. [See More]

  • Size: #10; 1/4"; 5/16"; 3/8"; 1/2"
  • Material: Stainless Steel
  • Type: Knurled Nut
  • Finish: Black Oxide
Coupling Nuts
from G.L. Huyett

Coupling nuts are sometimes known as extension nuts. These fully threaded nuts are used with threaded rod in a variety of applications; from leveling, to spacing, to joining two or more studs. [See More]

  • Size: #4; #6; #8; #10; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"; 1 1/8"; 1 1/4"; 1 3/8"; 1 1/2"; 1 3/4"; 2"; 2 1/4"; 2 1/2"; 2 3/4"; 9/16"
  • Material: Bronze (optional feature); Stainless Steel (optional feature); Carbon Steel
  • Type: Coupling Nut
  • Finish: Zinc Clear
Acorn Nut, Extra Low Crown,5/16-18,Pk 10 -- 6UUX1 [CPB225 from Midwest Acorn Nut Co.]
from Grainger Industrial Supply

Acorn Nut, Standard, Brass, Finish Plain, Thread Size 5/16-18, Thread Type UNC, Thread Direction Right Hand, Thread Depth 9/32 In., Width 9/16 In., Height 7/16 In., Color Brass, Rockwell Hardness B78, Meets/Exceeds ASTM-B16, Package Quantity 10 [See More]

  • Size: 5/16"
  • Material: Bronze
  • Type: Acorn Nut
  • Thread Direction: Right Hand
Nut Spare Parts
from International Polymer Solutions Inc.

Pressure Ratings: Performance at ambient room conditions: 120 psi for 1/16 ” fittings linear decreasing to 80 psi for 3/4 ” fittings and 60 psi for fittings larger than 3/4". Performance at elevated temperatures up to 85 ºC/185 ºF: 90 psi for 1/16 ” fittings linear... [See More]

  • Size: #5; 1/4"; 5/16"; 3/8"; 1/2"; 5/8"; 1"; 1 3/8"; 1/16", 1.1", 3/16"; M4; M6; M8; M10; M12; M20; M26; 7, 15 mm
  • Material: Plastic; PVDF; PTFE
T-Slot Nut 8 St 5/16"-18UNC -- 0.0.440.69
from item America, LLC

T-Slot Nuts St for securing heavy components or for use in fastening applications. [See More]

  • Size: 5/16"
  • Type: T-Slot Nut
ERM Slotted Self-Locking Hexagon Nut -- ERMLOOUNC
from J.Lanfranco Fastener Systems Inc.

The one-piece ERM is a great time saver. The ERM combines the performance of the ESL with an integrated disc spring washer. The result: Quick installations and absolute tension maintained under dynamic loads. [See More]

  • Size: 5/16"
  • Material: Exotic Metals (optional feature); Steel (optional feature); Hardened Steel (optional feature); Stainless Steel (optional feature); Titanium (optional feature)
  • Type: Hex Nut; Washer Nut; Locknut; Other; Slotted Locknut
  • Finish: Anti-Galling Coating (optional feature); Phosphate (optional feature); Galvanized (optional feature); Nickel Plated (optional feature); Zinc Plated (optional feature); Zinc Chromate (optional feature); Self-Color, Pass., Anti-Galling, Geomet
Acorn Nut -- 10501
from Jergens, Inc.

Acorn nuts are used to cover threaded ends to protect them from dirt, grit or damage to the thread. [See More]

  • Size: 5/16"
  • Material: Hardened Steel
  • Type: Acorn Nut
  • Thread Direction: Right Hand
Steel Nut -- 4716
from Keystone Electronics Corp.

Material: Steel. OD: .500 [12.7]. Style: Machine. Thread: .312 -24. Type: Nut [See More]

  • Size: 5/16"
  • Material: Steel
  • Type: Hex Nut
Nuts Types H, HN, HNL - Unified -- HNL-0518-LZ
from PennEngineering

Meets torque requirements for IFI 100/107 Grade B (unified) and ANSI B18.16.1M (metric) locknuts. Type H is for use in sheet hardness HRB 80 or less on the Rockwell “B ” scale. Type HN and HNL are for use in sheet hardness HRB 60 or less on the Rockwell “B ” scale. [See More]

  • Size: #5; 5/16"
  • Material: Steel
  • Type: Nuts Types H, HN, HNL - Unified
  • Finish: Zinc Plated
Closed Cap Nuts -- Series C10
from SPIROL International Corporation

Cap nuts (acorn nuts) are available in two basic confgurations, open and closed. SPIROL cap nuts are precision machined to withstand substantially higher tightening torque without stripping or having a bolt break through the dome, as can happen with two piece equivalent cap nuts. Series C10 —... [See More]

  • Size: #4; #6; #8; #10; #12; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 1"; 9/16"
  • Material: Aluminum (optional feature); Bronze (optional feature); Stainless Steel (optional feature)
  • Type: Acorn Nut
  • Finish: Nickel Plated (optional feature); Zinc Chromate (optional feature); Passivated
Hex Flange Nut -- F05180M
from Stanley Engineered Fastening - Spiralock

Standard Spiralock nuts are SAE Grade 8 equivalent, and designed to mate with standard 2A and 3A class of fit bolts. Spiralock nuts dimensionally conform to IFI standards. Our standard plating is clear zinc chromate. Other nut styles, platings and materials are available upon request. [See More]

  • Size: 5/16"
  • Material: Steel; Stainless Steel (optional feature); Other Materials Available Upon Request
  • Type: Flange Nut; Hex Nut
  • Finish: Zinc Chromate; Other Plating Available Upon Request
Coupling (Extension) Nut: 5/16-18 Thread -- 41502
from Te-Co, Inc.

Product Information. Black Oxide Finish. Case Hardened. 1117 Material. Coupling Nuts can be used to join two or more studs for a desired length. Many sizes conform to TCMAI standards. Standard package quantity 41501-41507: 25 pcs. [See More]

  • Size: 5/16"
  • Material: Hardened Steel
  • Type: Coupling Nut
  • Finish: Black Oxide
Carbon Steel Nut -- LD-024CS-BN
from Xiamen Landee Industries Co., Ltd.

Key Specifications/Special Features: Manufacturing standards: ANSI/ASME. Size range: from 1/4-inch to 4-inch (M8 - M48). Body materials: A194 2H/2HM; A194 4/4M; A194 7/7M; A194 8/8M. Surface: black, galvanized, nickel, cadmium and Teflon plated [See More]

  • Size: 1/4" (optional feature); #16 (optional feature); #18 (optional feature); 5/16" (optional feature); #20 (optional feature); #24 (optional feature); 3/8" (optional feature); 7/16" (optional feature); 1/2" (optional feature); 5/8" (optional feature); 3/4" (optional feature); 7/8" (optional feature); 1" (optional feature); 1 1/8" (optional feature); 1 1/4" (optional feature); 1 3/8" (optional feature); 1 1/2" (optional feature); 1 3/4" (optional feature); 2" (optional feature); 2 1/4" (optional feature); 2 1/2" (optional feature); 2 3/4" (optional feature); 1/4 to 4-inch; M8 (optional feature); M10 (optional feature); M12 (optional feature); M14 (optional feature); M16 (optional feature); M18 (optional feature); M20 (optional feature); M22 (optional feature); M24 (optional feature); M25 (optional feature); M26 (optional feature); M27 (optional feature); M28 (optional feature); M30 (optional feature); M32 (optional feature); M33 (optional feature); M35 (optional feature); M36 (optional feature); M38 (optional feature); M40 (optional feature); M42 (optional feature); M48 (optional feature); M8 to M48
  • Material: Steel; Hardened Steel; Stainless Steel; A194 2H/2HM; 4/4M; 7/7M; 8/8M
  • Type: Hex Nut
  • Finish: Black Oxide (optional feature); Galvanized (optional feature); Nickel Plated (optional feature); Cadmium Plated, Teflon Plated
Hexagon Nut -- SHNS-5/16-18 [SHNS-5/16-18 from Nabeya Bi-tech Kaisha (NBK)]
from Alliance for Precision Systems, Div of TPA, LLC

Combine with hexagon socket head or button head cap screw, inch thread [See More]

  • Size: 5/16"
  • Material: SUS304
  • Type: Hex Nut
  • Thread Direction: Right Hand
ANSI B 18.2.2 - Bumax® 88 Hexagon Nut -- 1/4", 5/16", 3/8", 7/16", 1/2", 5/8", 3/4", 7/8", 1"
from BUFAB USA, Inc.

Choice of material: Stainless steel A2 can be used in combination with most Stainless steel grades with similar or lower corrosion resistance. A2 is suitable for outdoor applications but not in coastal areas and only to a limited extent in oxidising acids. A4 is suitable for outdoor applications... [See More]

  • Size: 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"
  • Material: Stainless Steel
  • Type: Hex Nut
  • Standards: ASME/ANSI
Acorn Nut -- 181790
from Fastener SuperStore, Inc.

5/16-18 Acorn Nuts / Low Crown / Closed End / Steel / Nickel. Steel: The low-crown cap nut is usually manufactured in two pieces, a hex nut and an acorn-shaped top, zinc die cast to form the finished part. Stainless: Similar in design to the steel nut but made from an austenitic stainless alloy. [See More]

  • Size: 5/16"
  • Material: Steel
  • Type: Acorn Nut
  • Finish: Nickel Plated
Nuts -- 72590680
from Gates Corporation

Hydraulics-- >Accessories-- >Tube Nuts and Sleeves-- >Tube Sleeve Nut [See More]

  • Size: 5/16"; #24
  • Thread Direction: Right Hand
  • Type: tube
N-312
from Monroe Engineering

Hardened Black Oxide Finish [See More]

  • Size: 5/16"
  • Material: Hardened Steel
  • Type: Hex Nut
  • Finish: Black Oxide
1-100-293-01
from MS Aerospace, Inc.

Nuts [See More]

  • Size: 5/16"
  • Material: D979
  • Type: Hex Nut
5/16-18 Acorn Nut, Nickle, Closed End -- NG2ACR02518N
from NBS Corp.

Featuring a smooth enclosed cover, NBS’ acorn nuts are the perfect use for hiding unsightly threads that protrude from regular nuts. Available from #6 through ½” internal diameter, all acorn nuts meet IFI specifications and are only sourced from ISO-9001 accredited... [See More]

  • Size: 5/16"
  • Material: Steel
  • Type: Acorn Nut
  • Finish: Nickel Plated
Hexagon Swivel Nuts Inch #JFS-A1-3 -- JFS-A1-3
from Nordex, Inc.

Material: 303 stainless steel [See More]

  • Size: 5/16"
  • Type: Hex Nut
Cap Nut -- 5/16-18 HX - CAP - NU
from PENCOM

Custom sizes and other finishes available [See More]

  • Size: 5/16"
  • Material: Steel (optional feature); Stainless Steel (optional feature)
  • Type: Acorn Nut; Hex Nut
  • Finish: Zinc Plated; Black Zinc
5/16" - 18 UNC Coupling Nut -- 3860442
from Princess Auto Limited

5/16 " - 18 UNC Coupling Nut [See More]

  • Size: 5/16"
  • Type: Coupling Nut
276437 [276437 from RS Components, Ltd.]
from RS Components, Ltd.

Type:Full; Material:Steel; Colour-Finish:Bright Zinc Plated; Thread Size:5//16in.; Thread:Imperial [See More]

  • Size: 5/16"
  • Material: Steel
  • Type: Full
  • Finish: Zinc Chromate
CA Series Steel - Inch -- CA-3118S-125
from Sherex Fastening Solutions

Heavy Duty Rivet Nut Flat Head Series, Large Flange, Smooth Shank. Grip range can be affected by parent material and hole size. Sherex recommends trial installations to determine the proper grip range for the application. Contact Sherex for details. CA style rivet nuts are available in closed end,... [See More]

  • Size: 5/16"
  • Material: Steel
  • Type: Anchor Nut
  • Finish: Zinc Plated; Special Finish Available On Request