
| 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 |
| L1 L2 L3 L4 | |
| D1 | D2 |
| 145° 32° |
| 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. | |
| #5 | 0.2055 | 5.22 | 1/4 | 2-5/8 | 1 | 53/64 | 1-7/16 | 51779 | Common | |
| 5,25 mm | 0.2067 | 6,0 | 66,0 | 28,0 | 24,0 | 36,0 | 63169 | |||
| 5,3 mm | 0.2087 | 6,0 | 66,0 | 28,0 | 24,0 | 36,0 | 63170 | Reach | ||
| #4 | 0.2090 | 5.31 | 1/4-24 | 1/4 | 2-5/8 | 1 | 53/64 | 1-7/16 | 51780 | |
| 5,4 mm | 0.2126 | 6,0 | 66,0 | 28,0 | 24,0 | 36,0 | 63750 | |||
| #3 | 0.2130 | 5.41 | 1/4-28 | 1/4 | 2-5/8 | 1 | 53/64 | 1-7/16 | 51340 | |
| 5,5 mm | 0.2165 | M6 X 0,5 | 6,0 | 66,0 | 28,0 | 24,0 | 36,0 | 63171 | Right Spiral | |
| 7/32 | 0.2188 | 5.56 | 1/4-32 | 1/4 | 2-5/8 | 1 | 53/64 | 1-7/16 | 51341 | |
| 5,6 mm | 0.2205 | 6,0 | 66,0 | 28,0 | 24,0 | 36,0 | 63751 | |||
| #2 | 0.2210 | 5.61 | 1/4 | 2-5/8 | 1 | 53/64 | 1-7/16 | 51781 | External Coolant | |
| 5,7 mm | 0.2244 | 6,0 | 66,0 | 28,0 | 24,0 | 36,0 | 63752 | |||
| #1 | 0.2280 | 5.79 | 1/4 | 2-5/8 | 1 | 53/64 | 1-7/16 | 51782 | 2 | |
| 5,8 mm | 0.2283 | 6,0 | 66,0 | 28,0 | 24,0 | 36,0 | 63172 | |||
| 5,9 mm | 0.2323 | 6,0 | 66,0 | 28,0 | 24,0 | 36,0 | 63753 | Flutes | ||
| A | 0.2340 | 5.94 | 1/4 | 2-5/8 | 1 | 53/64 | 1-7/16 | 51601 | ||
| 15/64 | 0.2344 | 5.95 | 1/4 | 2-5/8 | 1 | 53/64 | 1-7/16 | 51342 | ||
| 6,0 | 0.2362 | 6.00 | M7 X 1 | 6,0 | 66,0 | 28,0 | 24,0 | 36,0 | 63173 | |
| B | 0.2380 | 6.05 | 1/4 | 3-1/8 | 1-5/16 | 1-3/64 | 1-7/16 | 51602 | ||
| 6,1 mm | 0.2402 | 8,0 | 79,0 | 34,0 | 28,0 | 36,0 | 63754 | |||
| C | 0.2420 | 6.15 | 1/4 | 3-1/8 | 1-5/16 | 1-3/64 | 1-7/16 | 51603 | ||
| 6,2 mm | 0.2441 | 8,0 | 79,0 | 34,0 | 28,0 | 36,0 | 63755 | |||
| D | 0.2460 | 6.25 | 1/4 | 3-1/8 | 1-5/16 | 1-3/64 | 1-7/16 | 51604 | ||
| 6,25 mm | 0.2461 | M7 X 0,75 | 8,0 | 79,0 | 34,0 | 28,0 | 36,0 | 63174 | ||
| 6,3 mm | 0.2480 | 8,0 | 79,0 | 34,0 | 28,0 | 36,0 | 63756 | |||
| 1/4 | 0.2500 | 6.35 | 1/4 | 3-1/8 | 1-5/16 | 1-3/64 | 1-7/16 | 51343 | ||
| E | 0.2500 | 6.35 | 1/4 | 3-1/8 | 1-5/16 | 1-3/64 | 1-7/16 | 51605 | ||
| 6,4 mm | 0.2520 | 8,0 | 79,0 | 34,0 | 28,0 | 36,0 | 63175 | |||
| 6,5 mm | 0.2559 | 8,0 | 79,0 | 34,0 | 28,0 | 36,0 | 63213 | |||
| F | 0.2570 | 6.53 | 5/16-18 | 5/16 | 3-1/8 | 1-5/16 | 1-3/64 | 1-7/16 | 51344 | |
| 6,6 mm | 0.2598 | 8,0 | 79,0 | 34,0 | 28,0 | 36,0 | 63757 | |||
| G | 0.2610 | 6.63 | 5/16 | 3-1/8 | 1-5/16 | 1-3/64 | 1-7/16 | 51606 | ||
| 6,7 mm | 0.2638 | 8,0 | 79,0 | 34,0 | 28,0 | 36,0 | 63758 | |||
| 17/64 | 0.2656 | 6.75 | 5/16-20 | 5/16 | 3-1/8 | 1-5/16 | 1-3/64 | 1-7/16 | 51345 | |
| H | 0.2660 | 6.76 | 5/16 | 3-1/8 | 1-5/16 | 1-3/64 | 1-7/16 | 51607 | ||
| 6,8 mm | 0.2677 | M8 X 1,25 | 8,0 | 79,0 | 34,0 | 28,0 | 36,0 | 63176 | ||
| 6,9 mm | 0.2717 | 8,0 | 79,0 | 34,0 | 28,0 | 36,0 | 63759 | |||
| I | 0.2720 | 6.91 | 5/16-24 | 5/16 | 3-1/8 | 1-5/16 | 1-3/64 | 1-7/16 | 51346 | |
| 7,0 mm | 0.2756 | M8 X 1 | 8,0 | 79,0 | 34,0 | 28,0 | 36,0 | 63177 | ||
| J | 0.2770 | 7.04 | 5/16 | 3-1/8 | 1-5/16 | 1-3/64 | 1-7/16 | 51608 | ||
| 7,1 mm | 0.2795 | 8,0 | 79,0 | 41,0 | 34,0 | 36,0 | 63760 | |||
| K | 0.2810 | 7.14 | 5/16 | 3-1/8 | 1-9/16 | 1-3/16 | 1-7/16 | 51609 | ||
| 9/32 | 0.2812 | 7.14 | 5/16-32 | 5/16 | 3-1/8 | 1-9/16 | 1-3/16 | 1-7/16 | 51347 |