375 SERIES BASE PLATE BLOCK

Base Plate Blocks are attached to the Base Plates or any surface with a tapped 1/4-20 hole and serve as the starting point for any building operation.

This block is drilled and counter-bored on four sides so that it can be mounted to allow the tube to be vertical or horizontal.

Blocks are counter-bored to accept one 1/4-20 x 5/8 socket head cap screw and one 1/4-20 X 5/8 socket head cap screw is included with each block.

Bore is .375 inch diameter.