reduced shank drill
SILVER & DEMING DRILL(S&D) ,REDUCED SHANK DRILL BITS
Silver & deming drill bits are designed with 1 / 2 " shanks with 3 flats, to fit 1 / 2 " drill chucks. silver & deming drill bits are used in both drill presses and portable drills where the drill diameter is larger than chuck available. Silver & deming drill bits are provided with a Black-Oxide treatment for abrasion resistance and helps to prevent chip welding.
Nominal diameter | Overall length | Flute length |
13.00 | 152.40 | 76.20 |
13.50 | 152.40 | 76.20 |
14.00 | 152.40 | 76.20 |
14.50 | 152.40 | 76.20 |
15.00 | 152.40 | 76.20 |
15.50 | 152.40 | 76.20 |
16.00 | 152.40 | 76.20 |
16.50 | 152.40 | 76.20 |
17.00 | 152.40 | 76.20 |
17.50 | 152.40 | 76.20 |
18.00 | 152.40 | 76.20 |
18.50 | 152.40 | 76.20 |
19.00 | 152.40 | 76.20 |
19.50 | 152.40 | 76.20 |
20.00 | 152.40 | 76.20 |
21.00 | 152.40 | 76.20 |
22.00 | 152.40 | 76.20 |
23.00 | 152.40 | 76.20 |
24.00 | 152.40 | 76.20 |
25.00 | 152.40 | 76.20 |
26.00 | 152.40 | 76.20 |
27.00 | 152.40 | 76.20 |
28.00 | 152.40 | 76.20 |
29.00 | 152.40 | 76.20 |
30.00 | 152.40 | 76.20 |
31.00 | 152.40 | 76.20 |
32.00 | 152.40 | 76.20 |
33.00 | 152.40 | 76.20 |
34.00 | 152.40 | 76.20 |
35.00 | 152.40 | 76.20 |
36.00 | 152.40 | 76.20 |
37.00 | 152.40 | 76.20 |
38.00 | 152.40 | 76.20 |
Nominal diameter | Overall length | Flute length |
17/32 | 6 | 3 |
9/16 | 6 | 3 |
19/32 | 6 | 3 |
5/8 | 6 | 3 |
21/32 | 6 | 3 |
11/16 | 6 | 3 |
23/32 | 6 | 3 |
3/4 | 6 | 3 |
25/32 | 6 | 3 |
13/16 | 6 | 3 |
27/32 | 6 | 3 |
7/8 | 6 | 3 |
29/32 | 6 | 3 |
15/16 | 6 | 3 |
31/32 | 6 | 3 |
1 | 6 | 3 |
1 1/16 | 6 | 3 |
1 1/8 | 6 | 3 |
1 3/16 | 6 | 3 |
1 1/4 | 6 | 3 |
1 3/8 | 6 | 3 |
1 1/2 | 6 | 3 |