B1/4-28 x 1 1/2 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR 5-20 8 strength standards

8 strength standards

meaning they can create their own threads in metal without the need for a pre-drilled hole

3mm and a thickness of 1mm

These 1/4-14 x 1 1/2" Phill Full Contour Truss Self Tapping Screw Type AB Fully Thread Zinc screws are designed for use in metal framing applications

and has a fully threaded shank that allows for secure fastening

B1/4-28 x 1 1/2 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR 5-20 8 strength standardsB1 4 28 x 1 1 2 MS90727 is an Alloy Steel B1821 Fine Cap Screw that conforms to the specifications outlined in ASTM A354BD. It has a diameter of 1 4 inch, a thread pitch of 28 threads per inch, and a length of 1 1 2 inches. The screw is zinc plated for corrosion resistance and meets the requirements of the Defense Federal Acquisition Regulation Supplement (DFARS).