Internal/External Tooth Lock Washer, Fits Bolt Size 1/2 in Steel, Zinc Plated Finish, 25 PK

CONTRACTOR SELECT — Lock Washers — Internal/External Tooth Lock Washer, Fits Bolt Size 1/2 in Steel, Zinc Plated Finish, 25 PK

CONTRACTOR SELECT Lock Washers built for consistent performance in maintenance, inspection, and replacement work.

Quick specs

• Material: Steel
• Finish: Zinc Plated
• System of Measurement: Inch
• For Screw Size: 1/2 in
• Manufacturer Part Number: U37590.050.0001
• UPC: -

Product information

• Manufacturer Part Number: U37590.050.0001
• UPC: -
• Country of Origin: Multiple

Dimensions

• Outside Diameter - Maximum: 1 17/64 in
• Outside Diameter - Minimum: 1 7/32 in
• Inside Diameter - Maximum: 17/32 in
• Minimum Inside Diameter: 33/64 in
• For Screw Size: 1/2 in
• Outside Diameter: 1.38 in
• Minimum Thickness: 3/64 in
• Maximum Thickness: 0.052 in
• Inside Diameter: 0.512 in

Details

• Dimensional Standards: ASME B18.22.1
• Hardness: 40 HRC
• Washer Type: Internal and External
• Item: Internal/External Tooth Lock Washer
• Material: Steel
• Finish: Zinc Plated
• Standards: ASME B18.21.1
• System of Measurement: Inch
• Material Grade/Class: Not Graded
• Rockwell Hardness: C40 to C50
• Type: Internal/External Tooth (Type A)
• Pack Size: Small Pack
• Lock Washer Type: Internal and External Tooth Lock

This Lock Washers is a practical option for maintenance teams and procurement.

Recommended for facility operations and routine servicing and designed to support reliable operation in demanding environments.

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: Review application constraints and installation requirements to ensure the part meets your needs.