COUNTERSUNK SELF DRILLING SCREWS TEK METAL FIXING WINDOWS ROOFING ZINC PLATED

Countersunk Self Drilling Screws Zinc Plated Steel. Self drilling point. Screw specifications;. Zinc plated hardened steel. 3.5mm (No.6). 4.2mm (No.8). Head depth 4.2mm. 6.3mm (No.14).

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