Coating HSS Conical Drill Bits
Zhenjiang Scharp Machinery Tools Co., Ltd.- Customized：Customized
- Standard：DIN, JIS, AISI
- Length：Jobber-length
- Type：Twist Drill Bit
- Material：High Speed Steel
- Usage：Metal Drilling
Base Info
- Model NO.：standard
- Size：3 to 61mm
- Transport Package：Plastic Box
- Specification：3mm to 61mm
- Trademark：stc
- Origin：Zhenjiang
- HS Code：82075090
- Production Capacity：100000PCS,Month
Description
Basic Info.
Model NO. standard Size 3 to 61mm Transport Package Plastic Box Specification 3mm to 61mm Trademark stc Origin Zhenjiang HS Code 82075090 Production Capacity 100000PCS/MonthProduct Description
HSS M2 or other grades of HSS;CBN ground with crosswise grinding;
Cutting to the right;
Cone makes drill easier to withdraw from drilled sheet metal;
Tin coating available.
Shank: Hex, cinlindrical, or trianglular.
For use both hand and machine operations/
3 pcs sets available.
| size | shank | overall length |
| mm | mm | mm |
| 3-14 | 6 | 58 |
| 4-30.5 | 12 | 102 |
| 6-20 | 8 | 63 |
| 3-22.5 | 8 | 73 |
| 3-31 | 10 | 102 |
| 6-25.4 | 9 | 78 |
| 5-20 | 8 | 71 |
| 5-30 | 8 | 91 |
| 8-20 | 8 | 63 |
| 16-30.5 | 12 | 77 |
| 25-40 | 10 | 89 |
| 35-50 | 12 | 97 |
| 40-61 | 13 | 103 |
| 5-25.4 | 10 | 87 |
| 5-22.5 | 8 | 79 |
| 5-31 | 9 | 103 |