M20-2.50 x 300 mm Socket Head Cap Screw Partially Threaded Coarse Alloy Steel 12.9 Thermal Black Oxide ISO4762, 15 pcs/Pack Package:15 Keps lock nuts feature an

Keps lock nuts feature an integrated washer with small teeth that grip the surface to prevent loosening

Length: 15 mm

Thread Size: #6-40

Fender washers have a larger outer diameter to improve load distribution on thin surfaces

Length: 19

M20-2.50 x 300 mm Socket Head Cap Screw Partially Threaded Coarse Alloy Steel 12.9 Thermal Black Oxide ISO4762, 15 pcs/Pack Package:15 Keps lock nuts feature anHigh quality Socket Head Cap Screw, perfect for various applications. Thread Size: M20 2. 50 Length: 300 mm Grade: 12. 9 Material: Alloy Steel Finish: Thermal Black Oxide Thread Type: Partially Specification Standard: ISO4762 Drive Style: Socket System Of Measurement: Metric