.jpg)
Description: HSS twist drill, fully ground with bright finish/black finish/ Tin Coating/ Black & Gold. 118 degree or 135 split point.
Usage: ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc.
WD12060
WD12250
Description: HSS twist drill, fully ground with amber and black Oxide,multi-faces point.Triangle or parallel shank
Usage: ideal for drilling on mild steel, copper , Aluminum ,Zinc alloy, etc.
WD14190
WD14190-19PCS Fully ground Twist Drill Bits Set
Spec: (1-10)x0.5mm
Finish: Black & Gold
Packing: Plastic box packing
Des: HSSCo fully ground twist drill bits,118 degree point and 135 degree with split point both are available.
Usage: Powerful right-hand cutting high-performance drill bits with distinctive heat resistance and reinforced drill core. Ideal for drilling high-strength stainless, acid-resistant and heat-resistant steel
WD13250
25PCS HSS Twist drill bits set cobalt drills
Spec.: （1-13）x0.5mm
Finish: Amber surface
Packing: Plastic box
WD13190
| 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 |
