Cutting Tools
HSS twist drill bit for Metal
Masonry drill bit
SDS drill bit Electric Hammer drill bit
Step drill bit
Wood drill bit
Tube sheet drill
SDS Chisel
HSS Drill Set
SDS drill set
Three Flats Shank Drills
| ASME B.94.11M, HSS Three Flats Twist Drill Bits |
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118° or 135° Quick-Cut point will not "walk" or "wander"
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Feature a shorter, more stable maintenance length for added stability to reduce chance of breakage
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135° Quick-Cut point combined with a special duotone finish result in cutting edges that remain sharp longer.
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Designed to drill in wood, plastic, metal, stainless steel and even heat treated or high alloy metals
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three flats, 1/2" shank black& bronze oxide, silver& deming according to ASME B.94 11M
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Sizes available: 1/16" to 1/2" by 64ths
| Dia. | Dec Eq. | Flute Length | OAL |
| 1/16 | .0625 |
7/8 | 1-7/8 |
| 5/64 | .0781 |
1 | 2 |
| 3/32 | .0938 |
1-1/4 | 2-1/4 |
| 7/64 | .1094 |
1-5/16 | 2-3/8 |
| 1/8 | .1250 | 1-7/16 | 2-1/2 |
| 9/64 |
.1406 |
1-9/16 | 2-5/8 |
| 5/32 | .1563 |
1-11/16 | 2-3/4 |
| 11/64 |
.1719 |
1-13/16 | 2-7/8 |
| 3/16 |
.1875 |
1-7/8 | 3 |
| 13/64 | .2031 | 1-15/16 | 3-1/8 |
| 7/32 |
.2188 |
2 |
3-1/4 |
| 15/64 |
.2344 |
1-1/6 |
3-3/8 |
| 1/4 |
.2500 |
2 |
3-1/2 |
| 17/64 |
.2656 |
2-1/8 |
3-5/8 |
| 9/32 | .2813 | 2-1/4 | 3-3/4 |
| 19/64 |
.2969 |
2-3/8 |
3-7/8 |
| 5/16 |
.3125 |
2-1/2 |
4 |
| 21/64 |
.3281 |
2-9/16 |
4-1/16 |
| 11/32 |
.3438 |
2-5/8 |
4-1/8 |
| 23/64 | .3594 | 2-11/16 | 4-3/16 |
| 3/8 |
.3750 |
2-11/16 |
4-1/4 |
| 25/64 |
.3906 |
2-3/4 |
4-5/16 |
| 13/32 |
.4063 |
2-13/16 |
4-3/8 |
| 27/64 |
.4219 |
2-7/8 |
4-7/16 |
| 7/16 | .4375 | 2-15/16 | 4-1/2 |
| 29/64 |
.4531 |
3 |
4-5/8 |
| 15/32 |
.4688 |
3-1/8 |
4-3/4 |
| 31/64 |
.4844 |
3-1/4 |
4-7/8 |
| 1/2 | .5000 | 3-3/8 | 5 |
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