Changzhou Ruilida Tools Co., Ltd.
Changzhou Ruilida Tools Co., Ltd.
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.635" .0625" 1/8" 1/4" 1/2" Solid Carbide Step Drill Bit 1/16" 1/8" 6mm 2mm
This is the customized step drill bit.
Our company usually produces carbide drill bit according to your drawings.
We also can choose the suitable raw material and coating for you according to your application.
All of our drill bits are produced by grinding machines.
Precision can be assured.
| Product name | Solid Carbide Step Drill Bit |
| Feature | Within 0/-0.01mm |
| Suitable for | Steel, stainless steel, iron, cast iron |
| Machine type | CNC milling machine |
| Flutes | Customized |
| Coating | Customized |
| Helix | Customized |
| Co | 10% |
| HRC | 50/55/60/65 |
| TRS Min(N/mm²) | 4000 |
| Tolerance | Customized |
| Processing machine | ANCA/ |
Carbide Raw Material Introduction
| End mill grade | Carbide rod | Grain size | HRA | Application |
| HRC50 | YG10X | 0.6μm | 91.8 | Aluminum, iron, low alloy steel, general steel under hardness HRC45 |
| HRC55 | WF25 | 0.6μm | 92.2 | Cast Iron, Alloy Steel, General steel under hardness HRC50 |
| HRC60 | GU25UF | 0.4μm | 92.5 | Super Alloy Steel, Stainless Steel, Titanium, Inconel, Hardened Steel under hardness HRC55 |
| HRC65 | GU092 | 0.2μm | 93.5 | Alloy Steel, Hardened Steel under hardness HRC62 |
Coating Introduction
| Coating name | Color | Thickness | Hardness | Friction | The Max ℃ |
| AlTiN | Black | 1.5-3 | 3300 | 0.4 | 900 |
| AlTiSiN | Copper | 1.5-3 | 3500 | 0.35 | 1000 |
| TiAlN | Dark Violet | 1-3 | 3000 | 0.4 | 800 |
| Blue Nano | Blue | 2-4 | 3200 | 0.45 | 1000 |
| AlCrN | Dark grey | 1.5-3 | 3500 | 0.3 | 1250 |
| DLC | Black | 1-3 | 1800 | 0.1 | 350 |
| Diamond | Black | 2-12 | 10000 | 0.02-0.1 | 650 |
| Coating also can be customized according to your requirement. |
FAQ
1. Are you a manufacturer or trading company?
We are a professional manufacturer of carbide tools which established in 2011.
2. Which CNC grinding machine do you use?
All of our carbide tools are produced by ANCA & machine.
3. Which shipping method do you usually use?
We usually send goods by express like FedEx, UPS, DHL, TNT, EMS, ETC.
4. How about the delivery time?
For stock items, we can dispatch within 2 business days after receiving payment.
For the out-of-stock items, it depends on the quantity.
Usually is around 5-7 business days.
5. Which payment methods do you accept?
We accept T/T, Trade Assurance Order on Alibaba(credit card), PayPal, etc.
6. Do you attend international exhibitions?
Yes, we had attended exhibitions in Indonesia, India, Russia, Thailand, Vietnam,
Brazil, etc.