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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Reserve from the case
Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Mounting brackets or furring strips to masonry
410 stainless steel undergoes heat treatment to enhance tensile strength and wear resistance
Integrated Washer Flange: Wide bearing surface distributes load—eliminates the need for a separate washer
Unslotted Hex Drive: Dedicated 3/8″ hex drive maximizes strength and deters tampering
Bulk USS Flat Washers – Medium Carbon Thru-Hardened, Plain Finish, Made in USA – Monster Bolts TEK Screws Mounting brackets or furring stripsMonster Overview Fix your project right the first time with USS Flat Washers Medium Carbon Thru Hardened, Plain Finish from Monster Bolts. These USA made USS pattern washers feature a larger outside diameter than SAE washers, making them ideal for construction, general fabrication, machinery repair, and heavy duty industrial applications. Built from medium carbon thru hardened steel, these washers provide a strong, consistent load bearing surface
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