Over stock from my shop fitting projects, with description from JPC website FIBRE CEMENT SCREWS FOR STEEL BZP Zinc plated screws for securing fibre cement profiles to light section steel. Finish: Bright Zinc Plated (BZP) Material: Steel Reamer On Shank Makes A Clearance To Allow Sheet Expansion And Contraction Supplied With Washer For Watertight Fixing Minimum 8µm High-Clamping Action
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