12mm-1.75 x 140mm Black Phosphate Class 10.9 Hex Cap Screws (18 pcs.)
Diameter: 12mm Length: 140mm Material: Steel Finish: Black Phosphate Head Style: Hex (#19 Wrench) Thread Size: 1.75mm (Coarse) Thread Length: 36mm Hardness: Class 10.9 Type: Cap Screw Specifications: DIN 931 Box of 18. A hex cap screw has a hexagonal head, designed to be driven by a wrench.