Type 17 ONE-SHOT® Roofing Screws Categories Mechanical Anchoring High Load Anchors Blue-Tip 2 SCREW-BOLT™ Hangermate™ Threaded Rod Hangers Blue -Tip SCREW-BOLT™ Drop-In / Wedge Anchors Tapper+™ Concrete Screws Cast In Place Anchors (CIP) EZY Reach Hollow Core Anchors Tie Down Anchors Suspension Anchors Sleeve anchors Nylon Anchoring / Plugs Vertigo™ Threaded Rod Hangers WALL-DOG™ / Universal Anchors Light Duty / Cavity Anchors Light Duty / Plastic Plug Anchors Nylon Nail-In Anchors Masonry Nails Packers - Shims Adhesive Anchoring Injection Systems Capsules Expanding Foams & Sealant Dispensing Guns Flat Cut Studs Chisel Point Studs Cleaning / Installation Equipment Internally Threaded Sleeves Sieves Forced Entry Powder Actuated Fastening Tools Powder Actuated Pins and Charges Powder Actuated Accessories Trak-It® Gas Operated Fastening Tools Trak-It® Gas Operated Pins and Fuel Cells Trak-It® Gas Operated Accessories Screw Solutions ONE-SHOT® Polycarbonate Roofing Screws Power Tool Accessories Concrete Grinding Cups Diamond Blades Powers ONE-SHOT® Polycarbonate Roofing Screws - Class 4 With no pre drilling required, The Powers One-shot range will fix any polycarbonate roof sheet profile to steel or timber. Features One Step Installation, No pre drilling Required Type 17 Self drilling point for fixing timber without the need to pre-drill Powers One-Shot‘s unique cutter eliminates ripping and the need to pre-drill The oversized hole allows for expansion and contraction in the polycarbonate sheeting due to changes in temperature, preventing buckling of the sheeting Unique knurling stops the hole cutter and controls the setting depth Unique hole cutter cuts a clean accurate clearance hole through the polycarbonate sheet Dome washer ensures the hole has a water tight seal Class 4 Mechanically Galvanised as per AS3566.2 Excellent corrosion resistance Tags: Screws , T17-Self-Drilling-Timber-Screws , Roofing-Screws , One-Shot , Polycarbonate , Hex Head , Galvanised , Washered , One Shot Part No. Description EZI Find No Gauge TPI Screw Length (mm) Head / Drive Coating Minimum Embedment Depth (mm) Sealing Washer Box Qty T17POSC412501H-PWR Powers One-Shot® Timber SD T17 12-11x50 Polycarbonate Roofing Screw Class 4 870 12 11 50 Hex 5/16" Class 4 30 25mm Dome 100 T17POSC412505H-PWR Powers One-Shot® Timber SD T17 12-11x50 Polycarbonate Roofing Screw Class 4 871 12 11 50 Hex 5/16" Class 4 30 25mm Dome 500 T17POSC412651H-PWR Powers One-Shot® Timber SD T17 12-11x65 Polycarbonate Roofing Screw Class 4 872 12 11 65 Hex 5/16" Class 4 30 25mm Dome 100 T17POSC412655H-PWR Powers One-Shot® Timber SD T17 12-11x65 Polycarbonate Roofing Screw Class 4 873 12 11 65 Hex 5/16" Class 4 30 25mm Dome 500 Currently viewing / Home / Products / Screw Solutions / ONE-SHOT® Polycarbonate Roofing Screws / Type 17 ONE-SHOT® Roofing Screws