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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
offering long-lasting performance and reliability
They have a Phillips drive and a hex washer head
This 5/16-12 x 1 1/2 Phillips flat self-tapping screw is made of steel and has a zinc finish
Their sharp threads offer secure hold
B7/8-9 x 2 1/2 MS90728, Alloy Steel B1821 Coarse Cap Screw Per ASTM A354BD Zinc Yellow DFAR NWCNP offering long-lasting performance and reliabilityB7 8 9 x 2 1 2 MS90728 is an alloy steel cap screw manufactured according to ASTM A354BD standards. It has a coarse thread pattern and is zinc plated for corrosion resistance. The "B" prefix indicates that the screw is black oxide coated. The "7 8 9" designation refers to the screw's nominal diameter and length in inches, while the "2 1 2" indicates the thread size. The MS90728 designation is a military specification number. The screw is made of B1821
