Split Lock Washer, Fits Bolt Size 1/2 in Steel, Black Oxide Finish, 25 PK

CONTRACTOR SELECT — Lock Washers — Split Lock Washer, Fits Bolt Size 1/2 in Steel, Black Oxide Finish, 25 PK

A practical Lock Washers by CONTRACTOR SELECT intended for repeatable results in shop, facility, and field workflows.

Quick specs

• Material: Steel
• Finish: Black Oxide
• Color: Black
• For Screw Size: 1/2 in
• Manufacturer Part Number: U37180.050.0001
• UPC: -

Product information

• Country of Origin: Multiple
• Manufacturer Part Number: U37180.050.0001
• UPC: -

Dimensions

• Outside Diameter - Minimum: 7/8 in
• Section Width - Minimum: 11/64 in
• Minimum Inside Diameter: 1/2 in
• For Screw Size: 1/2 in
• Outside Diameter: 0.879 in
• Minimum Thickness: 0.151 in
• Maximum Thickness: 0.151 in
• Inside Diameter: 0.502 in
• Inside Diameter Tolerance: +/-0.005 in
• Outside Diameter Tolerance: +/-0.01 in
• Outside Diameter - Maximum: 7/8 in
• Inside Diameter - Maximum: 33/64 in
• Bearing Width - Minimum: 1/8 in

Details

• Pack Size: Small Pack
• Material Quality Standards: ASTM A307A, SAE J429
• Manufacturer Location: Globally Sourced
• Dimensional Standards: ASME B18.21.1
• Hardness: 38 HRC
• Type: Split Lock Washer
• Washer Type: Heavy
• Item: Split Lock Washer
• Material: Steel
• Finish: Black Oxide
• Standards: ASME B18.21.1
• System of Measurement: Inch
• Material Grade/Class: Not Graded
• Rockwell Hardness: C38
• Thickness Tolerance: +/-0.005 in
• Color: Black
• Removable: Removable
• Made in North America: Not Made in North America
• Maximum Temperature: 275 Degrees F
• Minimum Temperature: 10 Degrees F
• Lock Washer Type: Split Lock

This Lock Washers is designed to support reliable operation in demanding environments.

Recommended for field service tasks and on-site replacement and well-suited for replacement, upgrade, and stock-room use.

Highlights

• Organized for straightforward purchasing and stocking.
• Suitable for maintenance, repair, and project-based procurement.
• Helps keep specifications consistent across replacements and replenishment cycles.
• Designed for professional use where predictable fit and handling are important.

Notes: Confirm fit, compatibility, and any site-specific requirements prior to ordering or installation.