10-9 x 2 1/2 Square Drive Round Washer Head Deep Thread Wood Screw 2/3 Thread Zinc KSW188 a flat trim head for

a flat trim head for a flush finish

1-8 Heavy Hex Structural Nuts A563 DH Plain USA are high-strength

The 8-32 x 3/4 Phillips Flat Undercut Machine Screw Fully Threaded Zinc is a versatile fastener designed for a wide range of applications

The head is a hex washer head with an indented hex drive

The 7/8-9 size refers to the diameter of the bolt or screw that the nut is intended to be used with

10-9 x 2 1/2 Square Drive Round Washer Head Deep Thread Wood Screw 2/3 Thread Zinc KSW188 a flat trim head for10 9 x 2 1 2 Square Drive Round Washer Head Deep Thread Wood Screw 2 3 Thread Zinc: This screw is designed for use in wood applications. It has a square drive head that requires a square drive bit to install. The washer head provides a larger bearing surface, which helps to prevent the screw from sinking into the wood. The deep thread design provides increased holding power, and the 2 3 thread length allows for a secure hold in thicker materials. The