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Paralle shank ANSI B94.11M jobber length HSS twist drill bit
specification
Paralle shank ANSI B94.11M jobber length HSS twist drill bit
HSS jobber length drill bits rolled forged with black oxide surface
Bot 118 / 135 degree tip angle are available for the drill bit
It is ideal for drilling on mild steel, copper, aluminum, zinc alloy etc.
Parallel shank for the drill bit make sure it can be fitted on most chuck.
As a drill bit manufacturer we provide branded drill bits as well as customised drill bit with OEM service
DIA(inch) | Overall Length(inch) | Flute Length(inch) |
1/16 | 1-7/8 | 7/8 |
5/64 | 2 | 1 |
3/32 | 2-1/4 | 1-1/4 |
7/64 | 2-5/8 | 1-1/2 |
1/8 | 2-3/4 | 1-5/8 |
9/64 | 2-7/8 | 1-3/4 |
5/32 | 3-1/8 | 2 |
11/64 | 3-1/4 | 2-1/8 |
3/16 | 3-1/2 | 2-5/16 |
13/64 | 3-5/8 | 2-7/16 |
7/32 | 3-3/4 | 2-1/2 |
15/64 | 3-7/8 | 2-5/8 |
1/4 | 4 | 2-3/4 |
17/64 | 4-1/8 | 2-7/8 |
9/32 | 4-1/8 | 2-7/8 |
19/64 | 4-3/8 | 3-1/16 |
5/16 | 4-1/2 | 3-3/16 |
21/64 | 4-5/8 | 3-5/16 |
11/32 | 4-3/4 | 3-7/16 |
23/64 | 4-7/8 | 3-1/2 |
3/8 | 5 | 3-5/8 |
25/64 | 5-1/8 | 3-3/4 |
13/32 | 5-1/4 | 3-7/8 |
27/64 | 5-3/8 | 3-15/16 |
7/16 | 5-1/2 | 4-1/16 |
29/64 | 5-5/8 | 4-3/16 |
15/32 | 5-3/4 | 4-5/16 |
31/64 | 5-7/8 | 4-3/8 |
1/2 | 6 | 4-1/2 |