WD12190-19Pcs edge ground Drill Bits Set
19Pcs Twist Drill Bits Set: (1-10)x0.5mm
Edge Ground and Titanium coating HSS drill bits set
Robust Plastic box Packing
WD12190-19Pcs edge ground Drill Bits Set
Description: HSS twist drill ,half ground with Tin Coating /bright finish.118 degree or 135 split point.
The half ground twist drill bits is one kind lof economical high speed steel bits for general drilling.
The drill bits are from drill bits manufacturer in China directly, ensure the low cost.
Usage: ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc.
Material: High Speed Steel, HSS4241, HSS4341
| 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 |
