B1/2-20 x 6 1/2 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR CPT The full contour head provides

The full contour head provides a smooth

while the coarse threads ensure a tight grip

which means that it will not loosen once it is tightened

creating a flush finish for a professional-looking result

B1/2-20 x 6 1/2 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR CPT The full contour head providesB1 2 20 x 6 1 2 MS90727 is an Alloy Steel B1821 Fine Cap Screw that meets the specifications of ASTM A354BD. It has a diameter of 1 2 inch, a thread pitch of 20 threads per inch, and a length of 6 1 2 inches. The screw is zinc plated yellow and is compliant with the Defense Federal Acquisition Regulation Supplement (DFARS). It is commonly used in industrial and automotive applications where high strength and corrosion resistance are required.