Description:

1. Material: alloy steel. 2. Packaging instructions: 1 set=1 screw+1 nut+1 spring washer+1 flat washer. 3. Size:mm. M12: Screw head thickness 12.0mm, Head diameter 18.0mm Thread 16mm/20mm/25mm/30mm/35mm/40mm/45mm/50mm/55mm/60mm/65mm/70mm/80mm/90mm/100mm/110mm/120mm/130mm/140mm/150mm. Nut opposite side 18.8mm thickness 9.8mm. Flat pad outer diameter 23.9mm, thickness 2.2mm. Outer diameter of spring pad 19.4mm, thickness 3.4mm. Optional wrench 10.0mm.