
| TOLE | RANCES (inch) | TOL | ERANCES (mm) | ||
| DIAMETER | D1 | D2 | DIAMETER | D1 | D2 |
| ≤.1181 | +.00008/+.00047 | h6 | ≤ 3 | +0,002/+0,012 | h6 |
| >.1181–.2362 | +.00016/+.00063 | h6 | > 3 - 6 | +0,004/+0,016 | h6 |
| >.2362–.3937 | +.00024/+.00083 | h6 | > 6 - 10 | +0,006/+0,021 | h6 |
| >.3937–.7087 | +.00028/+.00098 | h6 | > 10 - 18 | +0,007/+0,025 | h6 |
| >.7087–1.1811 | +.00031/+.00114 | h6 | > 18 - 30 | +0,008/+0,029 | h6 |
L L L
D D
| Cutting Diameter D1 | Decimal Equivalent | Metric Equivalent | Tap Size Reference Only | Shank Diameter D2 | Overall Length L1 | Flute Length L2 | Min. Cleared Length L3 | Shank Length L4 | Ti-NAMITE-A (AlTiN) EDP No. | |
| 1/64 | 0.0156 | 0.40 | 1/8 | 1-1/2 | 1/8 | 5/64 | 1 | 51752 | Common | |
| 1/32 | 0.0312 | 0.79 | 1/8 | 1-1/2 | 1/4 | 3/16 | 1 | 51269 | ||
| 3/64 | 0.0469 | 1.19 | 1/16-64 | 1/8 | 1-1/2 | 3/8 | 5/16 | 1 | 51270 | Reach |
| 1,25 mm | 0.0492 | 3,0 | 38,0 | 9,5 | 8,0 | 25,0 | 64500 | |||
| 1,45 mm | 0.0571 | 3,0 | 38,0 | 9,5 | 8,0 | 25,0 | 64501 | |||
| #53 | 0.0595 | 1.51 | 1/8 | 1-1/2 | 3/8 | 5/16 | 1 | 64502 | ||
| 1/16 | 0.0625 | 1.59 | 5/64-60 | 1/8 | 2 | 7/16 | 3/8 | 1-1/4 | 51271 | Right Spiral |
| 1,6 mm | 0.0630 | 3,0 | 50,0 | 11,0 | 9,0 | 32,0 | 64503 | |||
| 1,75 mm | 0.0689 | 3,0 | 50,0 | 11,0 | 9,0 | 32,0 | 64504 | |||
| #50 | 0.0700 | 1.78 | 1/8 | 2 | 7/16 | 3/8 | 1-1/4 | 64505 | External Coolant | |
| 5/64 | 0.0781 | 1.98 | 1/8 | 2 | 1/2 | 7/16 | 1-1/4 | 51272 | ||
| #47 | 0.0785 | 1.99 | 1/8 | 2 | 1/2 | 7/16 | 1-1/4 | 64506 | 2 | |
| 2,05 mm | 0.0807 | 3,0 | 50,0 | 12,0 | 11,0 | 32,0 | 64507 | |||
| #46 | 0.0810 | 2.06 | 1/8 | 2 | 1/2 | 7/16 | 1-1/4 | 64508 | Flutes | |
| #43 | 0.0890 | 2.26 | 1/8 | 2 | 1/2 | 7/16 | 1-1/4 | 64509 | ||
| #42 | 0.0935 | 2.37 | 1/8 | 2 | 1/2 | 7/16 | 1-1/4 | 64510 | ||
| 3/32 | 0.0938 | 2.38 | 1/8-32 | 1/8 | 2 | 1/2 | 7/16 | 1-1/4 | 51273 | |
| #40 | 0.0980 | 2.49 | 1/8 | 2 | 9/16 | 1/2 | 1-1/4 | 51274 | ||
| 2,5 mm | 0.0984 | 3,0 | 50,0 | 14,0 | 12,0 | 32,0 | 64511 | |||
| #39 | 0.0995 | 2.53 | 1/8 | 2 | 9/16 | 1/2 | 1-1/4 | 51753 | ||
| #38 | 0.1015 | 2.58 | 5-40 | 1/8 | 2 | 9/16 | 1/2 | 1-1/4 | 51754 | |
| #37 | 0.1040 | 2.64 | 5-44 | 1/8 | 2 | 9/16 | 1/2 | 1-1/4 | 51755 | |
| #36 | 0.1065 | 2.71 | 6-32 | 1/8 | 2 | 9/16 | 1/2 | 1-1/4 | 51756 | |
| 7/64 | 0.1094 | 2.78 | 1/8 | 2 | 5/8 | 9/16 | 1-1/4 | 51275 | ||
| #35 | 0.1100 | 2.79 | 1/8 | 2 | 5/8 | 9/16 | 1-1/4 | 51276 | ||
| #34 | 0.1110 | 2.82 | 1/8 | 2 | 5/8 | 9/16 | 1-1/4 | 51277 | ||
| #33 | 0.1130 | 2.87 | 6-40 | 1/8 | 2 | 5/8 | 9/16 | 1-1/4 | 51757 | |
| 2,9 mm | 0.1142 | 3,0 | 50,0 | 16,0 | 14,0 | 32,0 | 64512 | |||
| #32 | 0.1160 | 2.95 | 1/8 | 2 | 5/8 | 9/16 | 1-1/4 | 51758 | ||
| 3,0 mm | 0.1181 | 6,0 | 62,0 | 20,0 | 17,0 | 36,0 | 63155 | |||
| #31 | 0.1200 | 3.05 | 1/8 | 2 | 5/8 | 9/16 | 1-1/4 | 51759 | ||
| 3,1 mm | 0.1220 | 6,0 | 62,0 | 20,0 | 17,0 | 36,0 | 63741 | |||
| 1/8 | 0.1250 | 3.18 | 1/4 | 2-1/2 | 3/4 | 21/32 | 1-7/16 | 51330 | ||
| 3,2 mm | 0.1260 | M3,5 X 0,35 | 6,0 | 62,0 | 20,0 | 17,0 | 36,0 | 63156 | ||
| #30 | 0.1285 | 3.26 | 1/4 | 2-1/2 | 3/4 | 21/32 | 1-7/16 | 51278 | ||
| 3,3 mm | 0.1299 | M4 X 0,7 | 6,0 | 62,0 | 20,0 | 17,0 | 36,0 | 63157 | ||
| 3,4 mm | 0.1339 | 6,0 | 62,0 | 20,0 | 17,0 | 36,0 | 63158 | |||
| #29 | 0.1360 | 3.45 | 8-32,8-36 | 1/4 | 2-1/2 | 3/4 | 21/32 | 1-7/16 | 51331 | |
| 3,5 mm | 0.1378 | M4 X 0,5 | 6,0 | 62,0 | 20,0 | 17,0 | 36,0 | 63159 | ||
| #28 | 0.1405 | 3.57 | 8-40 | 1/4 | 2-1/2 | 3/4 | 21/32 | 1-7/16 | 51760 | |
| 9/64 | 0.1406 | 3.57 | 1/4 | 2-1/2 | 3/4 | 21/32 | 1-7/16 | 51332 | ||
| 3,6 mm | 0.1417 | M4 X 0,35 | 6,0 | 62,0 | 20,0 | 17,0 | 36,0 | 63160 |
*Single Margin (continued on next page)