Drill Bits

SIZE DECIMAL EQUIV FLUTE LENGTH OVERALL LENGTH Item No.
1/16 .0625 7/8 1-7/8 TH-DB-1/16×1-7/8
5/64 .0781 1 2 TH-DB-5/64×2
3/32 .0938 1-1/4 2-1/4 TH-DB-3/32×2-1/4
7/64 .1094 1-1/2 2-5/8 TH-DB-7/64×2-5/8
1/8 .1250 1-5/8 2-3/4 TH-DB-1/8×2-3/4
9/64 .1406 1-5/8 2-7/8 TH-DB-9/64×2-7/8
5/32 .1562 2 3-1/8 TH-DB-5/32×3-1/8
11/64 .1719 2 3-1/4 TH-DB-11/64×3-1/4
3/16 .1875 2-1/4 3-1/2 TH-DB-3/16×3-1/2
13/64 .2031 2-1/2 3-5/8 TH-DB-13/64×3-5/8
7/32 .2188 2-3/4 3-3/4 TH-DB-7/32×3-3/4
15/64 .2344 2-7/8 3-7/8 TH-DB-15/64×3-7/8
1/4 .2500 3 4 TH-DB-1/4×4
17/64 .2656 3-1/8 4-1/8 TH-DB-17/64×4-1/8
9/32 .2812 3-1/8 4-1/4 TH-DB-9/32×4-1/4
19/64 .2969 3-1/2 4-3/8 TH-DB-19/64×4-3/8
5/16 .3125 3-1/2 4-1/2 TH-DB-5/16×4-1/2
21/64 .3281 3-5/8 4-5/8 TH-DB-21/64×4-5/8
11/32 .3438 3-3/4 4-3/4 TH-DB-11/32×4-3/4
23/64 .3594 3-7/8 4-7/8 TH-DB-23/64×4-7/8
3/8 .3750 4 5 TH-DB-3/8×5
25/64 .3906 4-1/8 5-1/8 TH-DB-25/64×5-1/8
13/32 .4062 4-1/8 5-1/4 TH-DB-13/32×5-1/4
27/64 .4219 4-3/8 5-3/8 TH-DB-27/64×5-3/8
7/16 .4375 4-1/2 5-1/2 TH-DB-7/16×5-1/2
29/64 .4531 4-5/8 5-5/8 TH-DB-29/64×5-5/8
15/32 .4688 4-5/8 5-3/4 TH-DB-15/32×5-3/4
31/64 .4844 4-7/8 5-7/8 TH-DB-31/64×5-7/8
1/2 .5000 4-1/2 6 TH-DB-1/2×6
7/32 .2188 3.60 6 TH-DB-7/32×6
3/8 .3750 3.60 6 TH-DB-3/8×6
3/8 .3750 9.00 12 TH-DB-3/8×12
3/8 .3750 18 TH-DB-3/8×18
1/2 .5000 9.00 12 TH-DB-1/2×12