Grade 5, 1/4-20 Hex Head Cap Screw, Plain Steel, 3-1/2 In L, 2 PK

25 Flange Bolt, Zinc Plated Steel, 60 mm L, 2 PK Applied with a wrench.9, M8-1.Class 10..

1/4"-28 Socket Head Cap Screw, Plain Steel, 2 in Length, 5 PK A hex key is required to tighten or loosen a socket screw.

Especially useful in metal-to-metal or where heavy duty fastening is required.#2-56 x 3/4 in Slotted Pan Machine Screw, Plain Stainless Steel, 25 PK Commonly used with flat or lockwashers.

.A hex cap screw has a hexagonal head, designed to be driven by a wrench.

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