About the product
- DOUBLE SIDED TOOL: This guide features a Tap Drill Depth Chart, decimal conversions from 1/64\" to 63/64\" and a ruler graduated in 64ths
- FRONT SIDE: Front side has a machine screw size tap drill chart for recommended 75% depth thread.
- BACK SIDE: Features a decimal equivalents table in 64ths from 1/64\" to 63/64\".
- 6 INCH RULER: Graduated in 64ths.
- WORKS WITH: National Fine, National Course, American Standard Pipe and metric threads.
- ESSENTIAL TOOL: Essential tap drill and decimal equivalents reference table for toolmakers, machinists and mechanics.
- GENERAL TOOLS: We\'re a recognized leader in designing and developing specialized precision tools dedicated to delivering exceptional customer service. We encourage artisans and DIYers to work smarter, measure better, and repair more productively.
