B1/2-20 x 2 1/2 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR 1/4-20 CE12698 or completing any other concrete

or completing any other concrete fastening task

These 4-40 x 1/4 Phillips Binding Undercut Machine Screws are fully threaded and made of zinc-plated steel

Crafted from high-quality steel

0 (1mm pitch) x 40mm (length)

B1/2-20 x 2 1/2 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR 1/4-20 CE12698 or completing any other concreteB1 2 20 x 2 1 2 MS90727 is an alloy steel fine cap screw meeting the specifications of ASTM A354BD. It has a diameter of 1 2 inch, a length of 2 1 2 inches, and a thread pitch of 20 threads per inch. The screw is zinc plated yellow in accordance with the Defense Federal Acquisition Regulation Supplement (DFARS). It is designed for use in high strength applications where corrosion resistance is required.