Hardened Steel Nuts

26 Results
Custom Nuts
from National Bolt & Nut Corporation

With the ability to produce a variety of nut styles, including, but not limited to, conical, coupling, finished hex, and serrated hex flange, National Bolt & Nut can manufacture our custom nuts to meet our client's particular requirements. And, we can heat treat our quality products to match... [See More]

  • Material: Aluminum; Bronze; Brass; Exotic Metals; Incoloy; Monel; Steel; Hardened Steel; Stainless Steel; Titanium; Plastic; Nylon; Beryllium, Magnesium, Molybdenum, Nickel, Tin
  • Size: Minimum: #4, Maximum: 4"; Minimum: M2, Maximum: M80
  • Type: Anchor Nut; Castle Nut; Coupling Nut; Flange Nut; Hex Nut; Keps Nut; Nylon Insert Nut; Square Nut; Wing Nut; Locknut; Flex-Top Locknuts; Jam Nut; Other; 2-Way, Cap, Conical, Thumb, Top Lock, Nylon Patch, Nylon Pellet, Serrated Hex Flange; Top Lock
  • Finish: Black Oxide; Chrome; Phosphate; Galvanized; Nickel Plated; Silver; Zinc Plated; Brass, Cadmium, Chromate, Color Coated, Painted, Polished, PTFE
Nuts Types H, HN, HNL - Metric -- H-M10-X
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]

  • Material: Hardened Steel
  • Size: M10
  • Type: Nuts Types H, HN, HNL - Metric
  • Standards: ASME/ANSI
PEM RT® Free-Running Locknuts
from PennEngineering®

Engineered to Eliminate Vibration Loosening. In high-vibration environments, traditional locking methods present compromises. Nylon inserts degrade, lock washers lose effectiveness, and thread adhesives need time-consuming application. As vibration cycles grow, these fastening solutions can... [See More]

  • Material: Hardened Steel
  • Size: #4; #6; #8; #10; 1/4"; 5/16"; M3; M4; M5; M6; M8
  • Type: Self-Clinching Nut; Locknut
  • Finish: Zinc Plated
Self-Clinching Nuts - Types S, SS, CLS, CLSS, SP - Metric -- S-M10-1ZC
from PennEngineering®

Type S, SS, CLS, and CLSS nuts provide load-bearing threads in thin sheets with high pushout and torque-out resistance. Type SP, PEM 300 ® nuts provide strong load-bearing threads in stainless steel sheets as thin as .030 ”. Types S and SS are recommended for use in steel or aluminum... [See More]

  • Material: Hardened Steel
  • Size: M10
  • Type: Self-Clinching Nut
  • Finish: Zinc Chromate (optional feature)
SMPS™ Self-Clinching Nuts - Metric -- SMPP-M2.5
from PennEngineering®

Type SMPP self-clinching nuts are for installation into ultra-thin sheets. Installs into stainless steel sheets as thin as 0.64 mm. Corrosion resistance similar to 300 series stainless steel. Reduced outer dimensions and thinner sheet capabilities compared to type SP thread sizes. Recommended for... [See More]

  • Material: Hardened Steel
  • Size: M2.5
  • Type: Self-Clinching Nut
Trident Heat-Treated Carbon Steel Locknuts - Type SL - Metric -- SL-M3-1ZI
from PennEngineering®

Type SL self-locking nuts are designed with a unique and economical TRI-DENT ® locking feature, which meets demanding locking performance requirements. 3 cycle locking performance. Achieved using steel socket head cap screws, 180 ksi / property class 12.9 with standard finish of thermal oxide... [See More]

  • Material: Hardened Steel
  • Size: M3
  • Type: Locknut; Other; TRI-DENT® Locking Feature
  • Finish: Zinc Plated
Coupling (Extension) Nut: 1-8 Thread -- 41509
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]

  • Material: Hardened Steel
  • Size: 1"
  • Type: Coupling Nut
  • Finish: Black Oxide
Hex Nuts -- N-250
from Monroe Engineering

Hardened Black Oxide Finish [See More]

  • Material: Hardened Steel
  • Size: 1/4"
  • Type: Hex 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]

  • Material: Steel; Hardened Steel; Stainless Steel; A194 2H/2HM; 4/4M; 7/7M; 8/8M
  • 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
  • Type: Hex Nut
  • Finish: Black Oxide (optional feature); Galvanized (optional feature); Nickel Plated (optional feature); Cadmium Plated, Teflon Plated
Hex Nut - Non Metric -- HHXN025 EG
from Atkore International

CASE HARDENED ASTM A576, ASTM A570 MILD STEEL MATERIAL. 1/4 INCH NOMINAL DIAMETER. UNC-2A THREAD SERIES. ASTM B633 APPLICABLE STANDARD. 1/4 NOMINAL DIAMETER - FRACTIONAL. .25 NOMINAL DIAMETER - DECIMAL. UNISTRUT. BRAND. WEIGHT 0.6 LB PER 100 PIECES. STANDARD AND SPECIFICATION FINISH ASTM B633 TYPE... [See More]

  • Material: Hardened Steel
  • Size: 1/4"
  • Type: Hex Nut
  • Finish: Galvanized
1"-8 Gr. 5 Finished Hex Nut, Trivalent -- NG5FHN10008T
from NBS Corp.

Adaptable and dependable, NBS ’ finished hex nuts can be used in thousands of different applications. Available from ¼ ” through 1 ” (inch) and M3 through M24 (metric) internal diameter, all finished hex nuts meet IFI specifications and are only sourced from ISO-9001... [See More]

  • Material: Hardened Steel
  • Size: 1"
  • Type: Hex Nut
  • Finish: Trivalent
Clamping Nuts
from SPIETH-Maschinenelemente GmbH & Co. KG

Spieth clamping nuts are in demand as mechanical force-transmitting elements due to their effective operating principle in mechanical engineering and fixture construction for reliable connections with high axial force and minimal power input. They are significantly more efficient than conventional... [See More]

  • Material: Steel; Hardened Steel
  • Standards: DIN; ISO
  • Size: M20; M24; M30; M36; M42; M52, M60, M68, M80
Heavy Hex Jam Nut: 1-8 Thread -- 42209
from Te-Co, Inc.

Product Information. Black Oxide Finish. Case Hardened. High Grade Alloy Steel. Will outlast ordinary Hex Jam Nuts when used in repetitive operations. Standard package quantity: 25 pcs. [See More]

  • Material: Hardened Steel
  • Size: 1"
  • Type: Hex Nut; Locknut; Jam Nut
  • Finish: Black Oxide
Hex Nuts -- NA-375
from Monroe Engineering

Hardened with Black Oxide Finish [See More]

  • Material: Hardened Steel
  • Size: 3/8"
  • Type: Acorn Nut; Hex Nut
  • Finish: Black Oxide
Carbon Steel Nut -- LD-024CS-BN2
from Xiamen Landee Industries Co., Ltd.

Carbon Steel Nuts with A194 2H/2HM Materials. Model Number: LD-024CS-BN2. Key Specifications/Special Features: Standard: ANSI/ASME. Size: from 1/4 to 4-inch (M8 to 48). Material: A194 2H /2HM; A194 4 /4M; A194 7 /7M; A194 8 /8M. Surface: black, galvanized, nickel plated,... [See More]

  • Material: Steel; Hardened Steel; Stainless Steel; A194 2H/2HM; 4/4M; 7/7M; 8/8M
  • 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
  • Type: Hex Nut
  • Finish: Black Oxide (optional feature); Galvanized (optional feature); Nickel Plated (optional feature); Cadmium Plated, Teflon Plated
Metric Flange Nut: M10 x 1.5 Thread -- 61603
from Te-Co, Inc.

Product Information. Black Oxide Finish. Case Hardened. 12L14 Material. Available in Coarse or Fine Threads. Standard package quantity: 41601-41607: 25 pcs. 41701-41707: 25 pcs. Many sizes conform to TCMAI standards. Special sizes quoted upon request. Metric: Dimension in millimeters [See More]

  • Material: Hardened Steel
  • Size: M10
  • Type: Flange Nut
  • Finish: Black Oxide
Hex Nuts -- NC-250
from Monroe Engineering

Type NS nuts are used with bottom half of spherical washers. Hardened. Black Oxide finish [See More]

  • Material: Hardened Steel
  • Size: 1/4"
  • Type: Hex Nut; Collar Nuts
  • Finish: Black Oxide
Hexagon Nut -- LD-024CS-BN1
from Xiamen Landee Industries Co., Ltd.

Key Specifications/Special Features: Manufacturing standards: ANSI/ASME. Size range: from 1/4 to 4 inches (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]

  • Material: Steel; Hardened Steel; Stainless Steel; A194 2H/2HM; 4/4M; 7/7M; 8/8M
  • 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
  • Type: Hex Nut
  • Finish: Black Oxide (optional feature); Galvanized (optional feature); Nickel Plated (optional feature); Cadmium Plated, Teflon Plated
Metric T-Slot Nut: M10 x 1.5 Thread x 12 Table Slot -- 61404
from Te-Co, Inc.

Product Information. Black Oxide Finish. Case Hardened. 1018 Material. The last thread is incomplete on T-Slot Nuts to prevent the stud from turning through the bottom of the nut. Many sizes conform to TCMAI standards. Special sizes quoted upon request. Standard package quantity: 41401- 41419: 25... [See More]

  • Material: Hardened Steel
  • Size: M10
  • Type: Tee Nut; T-Slot Nut
  • Finish: Black Oxide
Lock Nuts -- 2710
from Monroe Engineering

Material - Steel. Heat Treated Steel. Black Oxide Finish. Saves time where knob must be completely removed from stud member. Knob can be slid along length of stud. Tilt to engage threads. A 1/4 turn starts clamping action. [See More]

  • Material: Hardened Steel
  • Size: 1/2"
  • Type: Locknut
  • Finish: Black Oxide
Stainless Steel Nut -- LD-024SS-BN
from Xiamen Landee Industries Co., Ltd.

Stainless Steel Nuts, Measuring 1/4 to 4 Inches. Model Number:LD-024SS-BN. Key Specifications/Special Features: Standard: ANSI/ASME. Size: from 1/4 to 4-inch (M8 to 48). Material: A194 2H /2HM; A194 4 /4M; A194 7 /7M; A194 8 /8M. Surface: black, galvanized, nickel plated,... [See More]

  • Material: Steel; Hardened Steel; Stainless Steel; A194 2H/2HM; 4/4M; 7/7M; 8/8M
  • 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
  • Type: Hex Nut
  • Finish: Black Oxide (optional feature); Galvanized (optional feature); Nickel Plated (optional feature); Cadmium Plated, Teflon Plated
Spherical Flange Nut Assembly: 1/4-20 Thread -- 41901
from Te-Co, Inc.

Product Information. Assemblies consist of Flange Nuts (Part No.'s 41801-41811) and Spherical Washers (Part No.'s 42741-42750). For material information, see individual components [See More]

  • Material: Hardened Steel
  • Size: 1/4"
  • Type: Flange Nut
  • Finish: Black Oxide
Tee Nuts -- NT-312
from Monroe Engineering

Hardened. Black Oxide finish. T nuts with suffix "N" conform to National Jig and Fixture Institute standards [See More]

  • Material: Hardened Steel
  • Size: 5/16"
  • Type: Tee Nut
  • Finish: Black Oxide
Spherical Flange Nut: 1-1/4-7 Thread -- 41811
from Te-Co, Inc.

Product Information. Black Oxide Finish. Case Hardened. 12L14 Material. Many sizes conform to TCMAI standards. When used with Spherical Washers, Flange Nuts will equalize thread loads. Standard package quantity: 41801-41807: 25 pcs. [See More]

  • Material: Hardened Steel
  • Size: 1 1/4"
  • Type: Flange Nut
  • Finish: Black Oxide
Street Plate Nut: 1''-3.5 Coil Thread x 1 Thick -- AK48803
from Te-Co, Inc.

Product Information. Material: Aircraft Quality Alloy. Certified heat treatment. 100% magnetic particle inspected. Welding Rod-Alloy #7018 [See More]

  • Material: Hardened Steel
  • Size: 1"
  • Type: Street Plate Nut
Swivel Flange Nut: 1-8 Thread -- 42008
from Te-Co, Inc.

Product Information. Black Oxide Finish. Case Hardened. 12L14 Material. Head rotates but washer remains stationary upon contact and holds without marring the workpiece [See More]

  • Material: Hardened Steel
  • Size: 1"
  • Type: Flange Nut; Washer Nut
  • Finish: Black Oxide