Printable Drill Bit Size Chart – Drill bit sizes, wire gauge drill sizes, fractional drill sizes,. Find the drill bit size you need for any project with this comprehensive chart. Find drill bit conversions, sizes and gauges for various applications with this comprehensive guide. These specialist drill bits are used for drilling. The drill size chart below gives fractional sizes and their metric conversions up to 1 inch. Download and print a standard drill size chart in inches and millimeters, covering the range from 0.2087 to 1.0000. It covers fractional, decimal, letter, number, metric and tap drill. This drill bit sizes chart. Download pdf of every drill size chart in metric, imperial and fractional.