The hole sizes and decimal equivalents are permanently etched on face so they won't wear off with repeated use. Number size drills 61 to 80. Fractional size drills 1/16 to 1/2 in x 64 ths. Metric range from 0.062 to 0.500 mm. This gage has been crafted to meet government specifications.The hole sizes and decimal equivalents are permanently etched on face so they won't wear off with repeated use. Number size drills 61 to 80. Fractional size drills 1/16 to 1/2 in x 64 ths. Metric range from 0.062 to 0.500 mm. This gage has been crafted to meet government specifications. See More
The hole sizes and decimal equivalents are permanently etched on face so they won't wear off with repeated use. Number size drills 61 to 80. Fractional size drills 1/16 to 1/2 in x 64 ths. Metric range from 0.062 to 0.500 mm. This gage has been crafted to meet government specifications.
