Midwest Fastener provides a full line of welded fastening products. We provide a complete line of fasteners to meet user needs. We set the standard for Insulation Fasteners and Stud Welding products in a wide range of applications. We are committed to make a display resets as hassle-free as possible. Features 0.43 Safety Lock Washers Fatigue testing machine Elevated temperature Stress Rupture Hardness testing Plating thickness testing Salt spray testing De-embrittlement testing Made in USA 20 Pieces Specifications Diameter: 7/16" Material: Steel Finish: Zinc Hardness: Grade 2 Style: Safety Type: Lock Washer Weight: 0.17 lbs - SKU: MWFST57831

Midwest Fastener provides a full line of welded fastening products. We provide a complete line of fasteners to meet user needs. We set the standard for Insulation Fasteners and Stud Welding products in a wide range of applications. We are committed to make a display resets as hassle-free as possible. Features 0.43 Safety Lock Washers Fatigue testing machine Elevated temperature Stress Rupture Hardness testing Plating thickness testing Salt spray testing De-embrittlement testing Made in USA