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 4-40 x 0.5 Coarse Socket Set Screws Fatigue testing machine Elevated temperature Stress Rupture Hardness testing Plating thickness testing Salt spray testing De-embrittlement testing 25 Pieces Specifications Diameter: No.4 Material: Steel Head Style: Headless (Hex) Thread Type: 40 (Coarse) Style: Socket Type: Set Screw Length: 1/2" Weight: 0.04 lbs - SKU: MWFST55515

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 4-40 x 0.5 Coarse Socket Set Screws Fatigue testing machine Elevated temperature Stress Rupture Hardness testing Plating thickness testing Salt spray testing De-embrittlement testing 25 Pieces</