M4.2 x 20 Hex Head Sems Sheet Metal Screws with Free Spinning Washer (#8 x 25/32) Phosphate (50 piec

Part # 12738

Product Description

(Metric T hread: 1.41, Washer Outer  Diameter: 12mm or 1/2, Hex: 7mm, Point Type: AB) GM (50 pieces per package)