ST Fastening #12 x 3" ZXL Steelbinder Self-Drilling Metal Roofing Screw - Black, Pkg 250 Coupling Link - Grade 100 Four-Port Configuration: One pipe port

Four-Port Configuration: One pipe port

this screw clamp delivers robust performance and secure handling for rail maintenance

this coupling link connects directly to chain and master links without the need for intermediate hardware

Tighten snugly

ST Fastening #12 x 3" ZXL Steelbinder Self-Drilling Metal Roofing Screw - Black, Pkg 250 Coupling Link - Grade 100 Four-Port Configuration: One pipe portThe #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