B3/4-16 x 2 1/4 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR 8-16 They feature a hex washer

They feature a hex washer head that provides a large bearing surface for increased torque and a self-drilling point that eliminates the need for pre-drilling

These 8-18 x 1/2" square drive flat head fully threaded self-drilling screws are made of 18-8 stainless steel

8 DIN 934 Metric Class 6 Hex Nuts Zinc are high-quality

while the indented hex washer head ensures a tight grip and prevents slippage during installation

They have a Phillips drive head and a round head

B3/4-16 x 2 1/4 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR 8-16 They feature a hex washerB3 4 16 x 2 1 4 MS90727 is an alloy steel fine cap screw that meets the specifications of ASTM A354BD. It has a diameter of 3 4 inch, a length of 2 1 4 inches, and a tensile strength of 120,000 psi. The screw is zinc plated for corrosion resistance and is DFAR compliant. It is commonly used in applications where high strength and corrosion resistance are required.