ASME B.94.11M, HSS Three Flats Twist Drill Bits

 

118° or 135° Quick-Cut point will not "walk" or "wander"

Feature a shorter, more stable maintenance length for added stability to reduce chance of breakage

135° Quick-Cut point combined with a special duotone finish result in cutting edges that remain sharp longer.

Designed to drill in wood, plastic, metal, stainless steel and even heat treated or high alloy metals

three flats, 1/2" shank black& bronze oxide, silver& deming according to ASME B.94 11M 

Sizes available: 1/16" to 1/2" by 64ths

Fractional
Dia. Dec Eq. Flute Length OAL
1/16
5/64
3/32
7/64
1/8 		.0625
.0781
.0938
.1094
.1250 		7/8
1
1-1/4
1-5/16
1-7/16 		1-7/8
2
2-1/4
2-3/8
2-1/2
9/64
5/32
11/64
3/16
13/64 		.1406
.1563
.1719
.1875
.2031 		1-9/16
1-11/16
1-13/16
1-7/8
1-15/16 		2-5/8
2-3/4
2-7/8
3
3-1/8
7/32
15/64
1/4
17/64
9/32 		.2188
.2344
.2500
.2656
.2813 		2
1-1/6
2
2-1/8
2-1/4 		3-1/4
3-3/8
3-1/2
3-5/8
3-3/4
19/64
5/16
21/64
11/32
23/64 		.2969
.3125
.3281
.3438
.3594 		2-3/8
2-1/2
2-9/16
2-5/8
2-11/16 		3-7/8
4
4-1/16
4-1/8
4-3/16
3/8
25/64
13/32
27/64
7/16 		.3750
.3906
.4063
.4219
.4375 		2-11/16
2-3/4
2-13/16
2-7/8
2-15/16 		4-1/4
4-5/16
4-3/8
4-7/16
4-1/2
29/64
15/32
31/64
1/2 		.4531
.4688
.4844
.5000 		3
3-1/8
3-1/4
3-3/8 		4-5/8
4-3/4
4-7/8
5