Printable charts

Workshop charts formatted for printing on one or two pages. Open a chart and use the print button to print it or save it as a PDF to keep on your phone.

• Drill bit size chartFractional, number, letter and metric drills with decimal inches.
• Tap drill chartUNC, UNF and metric coarse threads with the tap drill for each.
• Wood screw pilot hole chartPilot holes in softwood and hardwood, and clearance holes, for screws #2 to #14.

Prefer to calculate? See the free drilling calculators.