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HRC55 Twist Drills
- Raw material: Zigong ZK30UF, high hardness, good wear resistance.
- Coating: TiSiN, containing silica, very high surface hardness and high thermal resistance.
- Tolerance Tolerance of end mill diameter every size: 0.000 ～ -0.050
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HRC55 Twist Drills Description
HRC55 Twist Drills Technical
| Twist Drill 3D | |||
| cutting diameter D1 | cutting length L2 | shank diameter D2 | overall length L1 |
| 4.0 | 24.00 | 4.00 | 65.00 |
| 4.1-4.7 | 24.00 | 5.00 | 65.00 |
| 4.8-5.0 | 28.00 | 5.00 | 65.00 |
| 5.1-6.0 | 28.00 | 6.00 | 66.00 |
| 6.1-7.0 | 34.00 | 8.00 | 79.00 |
| 7.1-8.0 | 41.00 | 8.00 | 79.00 |
| 8.1-10.0 | 47.00 | 10.00 | 89.00 |
| 10.1-12.0 | 55.00 | 12.00 | 102.00 |
| 12.1-14.0 | 60.00 | 14.00 | 107.00 |
| 14.1-16.0 | 65.00 | 16.00 | 115.00 |
| 16.1-18.0 | 73.00 | 18.00 | 123.00 |
| 18.1-20.0 | 79.00 | 20.00 | 131.00 |
| Twist Dril 5D | |||
| cutting diameter D1 | cutting length L2 | shank diameter D2 | overall length L1 |
| 4.0 | 33.00 | 4.00 | 74.00 |
| 4.1-4.7 | 36.00 | 5.00 | 74.00 |
| 4.8-5.0 | 44.00 | 5.00 | 82.00 |
| 5.1-6.0 | 44.00 | 6.00 | 83.00 |
| 6.1-8.0 | 53.00 | 8.00 | 91.00 |
| 8.1-10.0 | 61.00 | 10.00 | 103.00 |
| 10.1-12.0 | 71.00 | 12.00 | 118.00 |
| 12.1-14.0 | 77.00 | 14.00 | 124.00 |
| 14.1-16.0 | 83.00 | 16.00 | 133.00 |
| 16.1-18.0 | 93.00 | 18.00 | 143.00 |
| 18.1-20.0 | 101.00 | 20.00 | 153.00 |
Suitable for Carbon Steel, Alloy Steel, Cast Iron, Hardened Steel
Packaging & Delivery
- One plastic pipe pack one piece,10 pcs per group
Put goods enclosed with air bubble paper into box
Other package is accepted according to customer’s requirement
Shipment: UPS/Fedex/DHL/TNT/EMS/ect
