B1/2-13 x 2 1/4 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR WB which helps to protect it

which helps to protect it from rust and corrosion

These screws are designed for use in applications where a low profile is required and are commonly used in electronics

The 10-32 x 1 1/4 Phillips Oval Machine Screw Fully Threaded 18-8 Stainless Steel is a versatile and durable fastener designed for a wide range of applications

The 1/4-28-

These 8-18 x 3/4 Phillips flat self-tapping screws are made of 18-8 stainless steel and are fully threaded

B1/2-13 x 2 1/4 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR WB which helps to protect it**B1 2 13 x 2 1 4 MS90728** * Alloy Steel B1821 Coarse Cap Screw * Conforms to ASTM A354BD standards * Zinc Yellow DFAR coating for corrosion resistance * Measures 1 2" 13 thread diameter by 2 1 4" length * Hexagonal head for easy installation and removal * Coarse threads provide secure hold in soft materials * Suitable for industrial, automotive, and construction applications