Machine Tap Gauge Bit NF NC Drill Gage 1 to 60 Twist Drill Gauge
Tells at a glance the correct size tap drill for machine screw tap in “NF” National Fine or “NC” National Coarse thread series. Shows the correct body size drill to use .60 sizes shown with number and decimal equivalent of drill at each hole.
Features:
- Made of Stainless Steel
- Satin Chrome Finish
- Offer a Quick and Accurate Way of Checking Drill and Rod Sizes
- Ideal for drilling bit sizes – useful when working with older, unmarked bits and bits too small to fit diameter marks
- 1 to 60 and .228 to .040″.
- Provides correct sizing of a tap drill for any commonly sized machine screw tap in NF National Fine or NC National Coarse Thread Series
- Shows correct drill body size
- 60 holes with number sizes and decimal equivalents
- Precision Ground surface