28 TEK SCREWS HEAVY SECTION COMPOSITE PANEL Heavy Section Composite Panel TECHNICAL Designed For: Fixing cladding and roofing applications to hot and cold rolled purlins/rails Fastening liner panels and general components to heavy steel Head Style: Hexagonal Drive: 5/16” hexagonal Washer: 16mm Ø bonded EPDM or 19mm Ø bonded EPDM Thread Form: Fine thread (Tek 5) Shank Material: Carbon steel Material Grade: AISI C1022 Coating: 500hr Evoshield® ✓ Evoshield Coating ✓ Super hard, super sharp drill tips ensure fast drill times and eliminates ‘walking’ ✓ Unthreaded piece ensures panel surfaces are not deformed ✓ Precision formed concave fluting gives speedy chip removal ✓ Sharp tapping threads ensure a low torque fixing every time 104