1274 Pcs 12.9 Carbon Steel Bolts and Nuts Set, Hex Nut and Bolt, Hex Socket Head

【Hex Socket Head Cap Screws Bolts and Nuts and Washers Set】The hex socket screws have a high cylindrical head and a recessed hexagonal drive area, which has high holding force at high torque levels, is not easy to deform or slip, and has a more balanced force.

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