Split Lock Washer, Fits Bolt Size 5/16 in Steel, Plain Finish, 100 PK

CONTRACTOR SELECT — Lock Washers — Split Lock Washer, Fits Bolt Size 5/16 in Steel, Plain Finish, 100 PK

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

Quick specs

• Material: Steel
• Finish: Plain
• System of Measurement: Inch
• For Screw Size: 5/16 in
• Manufacturer Part Number: LWIS031-100P
• UPC: -

Product information

• Country of Origin: Taiwan, Province of China
• Manufacturer Part Number: LWIS031-100P
• UPC: -

Dimensions

• Outside Diameter - Maximum: 37/64 in
• Inside Diameter - Maximum: 21/64 in
• For Screw Size: 5/16 in
• Outside Diameter: 0.583 in
• Minimum Thickness: 0.078 in
• Maximum Thickness: 0.078 in
• Inside Diameter: 0.322 in

Details

• Rockwell Hardness: C38
• Application: Provides A Hardened Bearing Surface Creating More Uniform Torque Control
• Lock Washer Type: Split Lock
• For Use With: Small Screw Heads
• Pack Size: Small Pack
• Dimensional Standards: ASME B18.21.1
• Hardness: 38 HRC
• Type: Standard
• Item: Split Lock Washer
• Material: Steel
• Finish: Plain
• Standards: ASME B18.21.1
• System of Measurement: Inch
• Material Grade/Class: Grade 2
• Thickness Tolerance: 0.078 in to 0.125 in

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

Recommended for production support and bench work and well-suited for replacement, upgrade, and stock-room use.

Highlights

• Helps keep specifications consistent across replacements and replenishment cycles.
• Designed for professional use where predictable fit and handling are important.
• Works well in standardized part lists and preventative maintenance schedules.
• Clear specification formatting helps reduce ordering mistakes.

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