B1/4-20 x 1 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR MPU188B and a fully threaded shank

and a fully threaded shank

These 1/4-20 Serrated Flange Hex Lock Nuts are made from case hardened HR15N steel and have a black oxide finish

Made in USA**

ensuring reliable performance over time

B1/4-20 x 1 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR MPU188B and a fully threaded shankThe B1 4 20 x 1 MS90728 is an Alloy Steel B1821 Coarse Cap Screw manufactured according to ASTM A354BD standards. It features a 1 4 inch diameter and a length of 1 inch. The screw is zinc plated yellow and DFAR compliant, ensuring corrosion resistance and meeting specific military requirements. It is designed for use in various industrial and construction applications where high strength and durability are essential.