WD13250-25PCS HSS Twist drill bits set cobalt drills
DIN338 HSS co5% fully ground twist drill bits
Packed in plastic case
The HSS co5% drill is ideal for drilling high-strength stainless, acid-resistant and heat-resistant steel
WD13250-25PCS HSS Twist drill bits set cobalt drills
DIN338 standard fully ground twist drill bits with amber surface treatment
Ideal for drilling on stainless steel, mild steel, copper, aluminium, zinc alloy etc.
parallel shank
plastic box packing
Drill bits made from M35 cobalt material
Contents:
1, 1.5，2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8，8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13mm
| 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 |
