B1/2-13 x 1 3/4 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR NSY The full contour truss head

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

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

This 1/4-20 x 1 Phillips pan external sems machine screw is fully threaded and coated in black zinc for corrosion resistance

10-9 x 3 Square Drive Round Washer Head Deep Thread Wood Screw 2/3 Thread Zinc:

It is commonly used in wood-to-wood or wood-to-metal connections

B1/2-13 x 1 3/4 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR NSY The full contour truss headB1 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.