Tap and drill gage has a convenient chart stamped on the face showing the correct tap and body drill size. Features: Satin chrome finish Tap and drill gage shows the correct tap drill for National Fine or National Coarse thread series. Approximate plate size is 6-3/8 x 2-1/2 x 5/64 Alphabet drill Gage shows the correct tap drill for national fine or national coarse thread Series Each drill Gage is marked with drill size a to Z Satin chrome finish
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