![Useful Magnets Inch Metric Tap Drill Sizes Flexible Chart | Decimal Equivalents Magnetic Chart for Garage CNC Shop | Waterproof Comprehensive Guide Tool Posters 11" x 8.5" - Amazon.com Useful Magnets Inch Metric Tap Drill Sizes Flexible Chart | Decimal Equivalents Magnetic Chart for Garage CNC Shop | Waterproof Comprehensive Guide Tool Posters 11" x 8.5" - Amazon.com](https://m.media-amazon.com/images/I/91wYkluKfeL.jpg)
Useful Magnets Inch Metric Tap Drill Sizes Flexible Chart | Decimal Equivalents Magnetic Chart for Garage CNC Shop | Waterproof Comprehensive Guide Tool Posters 11" x 8.5" - Amazon.com
![Amazon.com: Inch and Metric Tap Drill Size Guide Chart Magnet | UNC | UNF | NPT | NPS | I.S.O. Metric COARSE | I.S.O. Metric FINE | Flexible Magnetic Sheet & Drill Amazon.com: Inch and Metric Tap Drill Size Guide Chart Magnet | UNC | UNF | NPT | NPS | I.S.O. Metric COARSE | I.S.O. Metric FINE | Flexible Magnetic Sheet & Drill](https://m.media-amazon.com/images/I/81Ayc-Af+kL._AC_UF350,350_QL80_.jpg)
Amazon.com: Inch and Metric Tap Drill Size Guide Chart Magnet | UNC | UNF | NPT | NPS | I.S.O. Metric COARSE | I.S.O. Metric FINE | Flexible Magnetic Sheet & Drill
![Amazon.com: STICKER FRENZY Drill Bit Sizes Inches mm to inches Chart and Metric and Standard Socket Chart Need a Conversion for Drill Bits Common Drill Bit Sizes in inches (.030" Magnet, 9" Amazon.com: STICKER FRENZY Drill Bit Sizes Inches mm to inches Chart and Metric and Standard Socket Chart Need a Conversion for Drill Bits Common Drill Bit Sizes in inches (.030" Magnet, 9"](https://m.media-amazon.com/images/I/91CHVkQSJYL._AC_UY1000_.jpg)
Amazon.com: STICKER FRENZY Drill Bit Sizes Inches mm to inches Chart and Metric and Standard Socket Chart Need a Conversion for Drill Bits Common Drill Bit Sizes in inches (.030" Magnet, 9"
What size drill bit would I use to drill hole to then to a 1/4' tap to make threads? Would I be using a 1/4 drill bit or is a 7/32' better
![Morse Large Plastic Chart 24" x 36" Tap Drill Sizes for Inch, Metric and Pipe Threads - 1007 - Penn Tool Co., Inc Morse Large Plastic Chart 24" x 36" Tap Drill Sizes for Inch, Metric and Pipe Threads - 1007 - Penn Tool Co., Inc](https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/1280x1280/products/89540/278843/01650_v2__15752.1440763826.png?c=2)