The 185 Time Saver and Drill Gage provides correct sizing of a tap drill for any commonly sized machine screw tap in NF National Fine or NC National Coarse Thread Series. Nos. 1 to 60 and .228 to .040".
Specifications
Brand : Starrett
Category : Tap, Drill & Screw Checker Gauges
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Description
The 185 Time Saver and Drill Gage provides correct sizing of a tap drill for any commonly sized machine screw tap in NF National Fine or NC National Coarse Thread Series. Nos. 1 to 60 and .228 to .040".