Description
Steel is often used in applications where strength is the primary consideration
Zinc plating resists corrosion and has a reflective appearance
Sealing hex washer head has a flange with an EPDM rubber washer bonded to the underside to resist leakage, loosening, and damage to the mating surface
Hex drive tightens from the side with a wrench, enabling use when there is no space above for a driver





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