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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
Moisture Resistance: Closed-cell XPS resists water absorption to help maintain thermal performance
These 9-in x 72-in wide planks are 100% waterproof with an attached acoustic pad and beveled edges
12 x 1 inch length
eliminating the need for a flat washer under the head
Hillman 3/8 in. Diameter x 2-1/4 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screw, 50-Pack Grade 5 Bolts Moisture Resistance: Closed-cell XPS resistsHillman Grade 8 Hex Head Cap Screws, 3 8" x 2 1 4", 50 Pack Heavy duty Grade 8 hex head cap screws engineered from heat treated steel for maximum strength. Ideal for securing machinery and structural assemblies, these partially threaded bolts feature a washer face for a better seal and reliable clamping. Key Features: Grade 8 Strength: Heat treated steel delivers high tensile strength for demanding applications Washer Face Head: Built in bearing