B1/2-13 x 1 3/4 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR NSY The black oxide finish provides

The black oxide finish provides corrosion resistance and helps to prevent the screws from rusting

The full contour truss head provides a large bearing surface for added strength and stability

The full contour truss head provides a large bearing surface for added strength

making it an ideal choice for both indoor and outdoor use

4-24 x 1/4 Slotted Indented Hex Washer Thread Cutting Screw Type 25 Full Threaded Zinc:

B1/2-13 x 1 3/4 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR NSY The black oxide finish providesB1 2 13 x 1 3 4 MS90728 is an Alloy Steel B1821 Coarse Cap Screw manufactured according to ASTM A354BD standards. It features a 1 2 13 thread size and a length of 1 3 4 inches. The screw is zinc plated yellow for corrosion resistance and meets DFAR (Defense Federal Acquisition Regulation Supplement) requirements. It is commonly used in various industrial and construction applications where high strength and durability are required.