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003 Hex Head Masonry Screws 6.3 x 85mm

Product no.: 003 Hex Head Masonry Screws 6.3 x 85mm

Self tapping screw specifically designed for use in concrete and masonry. It actually cuts and taps its own threads in concrete, pre cast panels and building blocks. Drill pilot hole through the fixture into concrete. Use a 5.2mm drill bit for a 6.3mm screw.

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