M18-2.50 x 160 mm Socket Head Cap Screw Partially Threaded Coarse Alloy Steel 12.9 Thermal Black Oxide ISO4762, 30 pcs/Pack Package:30 while the nylon insert grips

while the nylon insert grips the threads of the bolt

SAE flat washers are standard flat washers designed to provide a smooth bearing surface and distribute load under bolts

Shoulder Length: 5/32"

Thread Size: 3/8-16

M18-2.50 x 160 mm Socket Head Cap Screw Partially Threaded Coarse Alloy Steel 12.9 Thermal Black Oxide ISO4762, 30 pcs/Pack Package:30 while the nylon insert gripsHigh quality Socket Head Cap Screw, perfect for various applications. Thread Size: M18 2. 50 Length: 160 mm Grade: 12. 9 Material: Alloy Steel Finish: Thermal Black Oxide Thread Type: Partially Specification Standard: ISO4762 Drive Style: Socket System Of Measurement: Metric