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Black finished rolled HSS drill bits
specification
Black finished rolled HSS drill bits
China professional HSS drill bits manufacturer, DIN338 HSS twist drill bit, roll forged with black oxide treated surface. 118 degree point.
The drill bits ideal for drilling holes on mild steel, copper, Aluminum, Zinc alloy etc.
Parallel shank.
Made from HSS-high speed steel.
| D(mm) | L1(mm) | L(mm) |
|---|---|---|
| 1 | 12 | 34 |
| 1.5 | 20 | 43 |
| 2 | 24 | 49 |
| 2.5 | 30 | 57 |
| 3 | 33 | 61 |
| 3.2 | 36 | 65 |
| 3.2 | 36 | 65 |
| 3.2 | 36 | 65 |
| 3.2 | 36 | 65 |
| 3.5 | 39 | 70 |
| 4 | 43 | 75 |
| 4.2 | 43 | 75 |
| 4.5 | 47 | 80 |
| 4.8 | 52 | 86 |
| 5 | 52 | 86 |
| 5.5 | 57 | 93 |
| 6 | 57 | 93 |
| 6.5 | 63 | 101 |
| 7 | 69 | 109 |
| 7.5 | 69 | 109 |
| 8 | 75 | 117 |
| 8.5 | 75 | 117 |
| 9 | 81 | 125 |
| 9.5 | 81 | 125 |
| 10 | 87 | 133 |
| 10.5 | 87 | 133 |
| 11 | 94 | 142 |
| 11.5 | 94 | 142 |
| 12 | 101 | 151 |
| 12.5 | 101 | 151 |
| 13 | 101 | 151 |
| D(inch) | L1(inch) | L(inch) |
|---|---|---|
| 1/16 | 7/8 | 1-7/8 |
| 5/64 | 1 | 2 |
| 3/32 | 1-1/4 | 2-1/4 |
| 7/64 | 1-1/2 | 2-5/8 |
| 1/8 | 1-5/8 | 2-3/4 |
| 9/64 | 1-3/4 | 2-7/8 |
| 5/32 | 2 | 3-1/8 |
| 11/64 | 2-1/8 | 3-1/4 |
| 3/16 | 2-5/16 | 3-1/2 |
| 13/64 | 2-7/16 | 3-5/8 |
| 7/32 | 2-1/2 | 3-3/4 |
| 15/64 | 2-5/8 | 3-3/7 |
| 1/4 | 2-3/4 | 4 |
| 17/64 | 2-7/8 | 4-1/8 |
| 9/32 | 2-15/16 | 4-1/4 |
| 19/64 | 3-1/16 | 4-3/8 |
| 5/16 | 3-3/16 | 4-1/2 |
| 21/64 | 3-5/16 | 4-3/4 |
| 11/32 | 3-7/16 | 4-5/8 |
| 23/64 | 3-1/2 | 4-7/8 |
| 3/8 | 3-5/8 | 5 |
| 25/64 | 3-3/4 | 5-1/8 |
| 13/32 | 3-7/8 | 5-1/4 |
| 27/64 | 3-15/16 | 5-3/8 |
| 7/16 | 4-1/16 | 5-1/2 |
| 29/64 | 4-3/16 | 5-5/8 |
| 15/32 | 4-5/16 | 5-3/4 |
| 31/64 | 4-3/8 | 5-7/8 |
| 1/2 | 4-1/2 | 6 |
xiexianfei@widetoptools.com
Shanghai Office:0086-21-6911 3081 Hangzhou factory: 0571 - 87242328
0086-137 7106 1662
Shanghai Office: Rm.202 No.33 Building,1555 West Jinshajiang Road, Shanghai, China
