#2-56 x 5/8" Flat Socket Head Cap Screw Fully Threaded Coarse Alloy Steel Thermal Black Oxide, 1000 pcs/Pack Sockets This feature helps prevent loosening

This feature helps prevent loosening due to vibration

Their countersunk shape allows for flush mounting

Length: 12

Countersunk serrated lock washers feature a unique design that provides a secure grip and prevents loosening under vibration

#2-56 x 5/8" Flat Socket Head Cap Screw Fully Threaded Coarse Alloy Steel Thermal Black Oxide, 1000 pcs/Pack Sockets This feature helps prevent looseningHigh quality Flat Socket Head Cap Screw, perfect for various applications. Thread Size: #2 56 Length: 5 8 Material: Alloy Steel Finish: Thermal Black Oxide Thread Type: Fully Head Style: Flat Drive Style: Socket System Of Measurement: Inch