Self Drilling Hex Head Roofing TEK TEC Screw Sheeting to Timber 6.3 X 100mm X 15 TIMBER TEK SCREWS HEX HEAD WITH EPDM SEALING WASHER FOR FIXING TO TIMBER Sold in bags of 15 Hexagon head timber tek screws. Designed for fixing roofing sheets to timber. Self cutting gash point eliminates the need for pre-drilling. All screws are 6.3mm x 100mm thread diameter. EPDM sealing washer prevents water ingress.
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