Pilot Hole Drill Bit Size Chart for Wood Screws | Woodworking Guides
Self-Tapping Screws
Screwing into Fiberglass - Cruisers & Sailing Forums
Cross Recessed Pan Head Tapping Screw, Type 4 AB Shape from SUNCO | MISUMI
Do I need to pre-drill holes for self-tapping screws? - Quora
wood - When pre-drilling for screws, how do you determine the correct bit diameter? - Home Improvement Stack Exchange
National Engineered Fasteners Inc.
Nails - Ullrich Fasteners Catalogue
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