Hillman 1/4 In. - #14 x 1 In. Hex Washer Head Self-Drilling Sheet Metal Screw (100 Ct.) Roofing Materials Application temperature: 400° F to

Application temperature: 400° F to 700° F (204° C to 371° C)

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Crescent 72-tooth quick release ratchets combine the optimum balance of strength and access to deliver a high strength and highly accessible ratchet

UL (Underwriter's Laboratories) listed

Hillman 1/4 In. - #14 x 1 In. Hex Washer Head Self-Drilling Sheet Metal Screw (100 Ct.) Roofing Materials Application temperature: 400° F toHex washer head sheet metal screws. Self drilling points that drill, tap, and fasten in 1 operation. Good for attaching almost any type of material to metal. Sharp threads create their own mating thread when drilled into the material. Zinc. 100 piece pack.