Changzhou Ruilida Tools Co., Ltd.
| Payment Terms | T/T/PayPal/Credit Card |
| Supply Ability | 1000pcs/month |
| Delivery Time | 5-8 work days |
| Packaging Details | One piece end mill in a plastic tube, ten pieces a bundle, then in carton. |
| Brand | RLD |
| Coating | Uncoated/customized |
| Type | Carbide step drill bit |
| Material | Carbide |
| Diameter | Customzied |
| Overall length | customized |
| Suitable for | Aluminium, steel, stainless steel, iron, cast iron, etc |
| Precision | Within 0/-0.01mm |
| Brand Name | RLD Tools |
| Model Number | DR |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T/PayPal/Credit Card | Supply Ability | 1000pcs/month |
| Delivery Time | 5-8 work days | Packaging Details | One piece end mill in a plastic tube, ten pieces a bundle, then in carton. |
| Brand | RLD | Coating | Uncoated/customized |
| Type | Carbide step drill bit | Material | Carbide |
| Diameter | Customzied | Overall length | customized |
| Suitable for | Aluminium, steel, stainless steel, iron, cast iron, etc | Precision | Within 0/-0.01mm |
| Brand Name | RLD Tools | Model Number | DR |
| Place of Origin | China | ||
| High Light | 1/2 Solid Carbide Step Drill Bit ，Carbide Step Drill Bit 6mm ，.635" Solid Carbide Drill Bit | ||
.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.
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
2500000-3000000
Employee Number:
40~50
Ecer Certification：
Site Member
Changzhou Ruilida Tools CO., Ltd. is a professional enterprise involved in manufacturing and marketing solid carbide round cutting tools like the end mill, drill bit, reamer, and customized carbide cutters for a wide range and variety of customers home and abroad. Our products are widely used... Changzhou Ruilida Tools CO., Ltd. is a professional enterprise involved in manufacturing and marketing solid carbide round cutting tools like the end mill, drill bit, reamer, and customized carbide cutters for a wide range and variety of customers home and abroad. Our products are widely used...
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