Is there a chart showing the proper pilot hole for sheet metal screws? I know, or think I know, 1/8' for a #8 screw, but what about #4, #6,#10, #12? - Quora
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wood - When pre-drilling for screws, how do you determine the correct bit diameter? - Home Improvement Stack Exchange
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Self Tapping Screws, 325 PCS -410 Stainless Steel #8#10 Hex Washer Head & Wafer Head 17 Sizes Self Drilling Screw Assortment Kit for Metal Wood Furniture Electrical Appliances Electronic Products : Amazon.co.uk:
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