ST Fastening 1/4" x 7/8" Self-Drilling ZXL Steelbinder Metal Roofing Stitch Screw, Cupped Washer Head - Tan | Qty. 2,000 (Carton) Bugle Head Deck Screws The maximum proof load is

The maximum proof load is rated at 2 times the designated working load limit

Use a wrench on the hex body to tighten securely

Maintain firm pressure and steady speed so the self‑drilling point penetrates the metal substrate cleanly - avoid over‑torquing

One system for fastening steel decking to structural members and steel stitching

Supplied in a 300-foot roll for high-volume use

ST Fastening 1/4" x 7/8" Self-Drilling ZXL Steelbinder Metal Roofing Stitch Screw, Cupped Washer Head - Tan | Qty. 2,000 (Carton) Bugle Head Deck Screws The maximum proof load isThe #12 ZXL Steelbinder Self Drilling Metal Roofing Screws are engineered for precision and durability, providing a secure connection for metal roofing panels and siding to steel structures. Perfect for residential, commercial, and agricultural applications, these screws feature a self drilling tip that streamlines installation and a bonded EPDM washer to ensure long lasting, watertight performance. Designed to resist the harshest elements, ZXL screws