Hot Recommend Factory Carbide Step Drill Bits for Cast Iron
Product Description
Products Function:
1.HRC: HRC45 HRC55 HRC58 HRC60 HRC65
2.Coated: AlTiN, TiAlN, TiAISI,TiSiN, TiN, DLC,Nano, Diamond
3.Could be used for the processing of copper, cast iron, carbon steel, mould steel, stainless steel, titanium alloy, tool steel, and heat-treated steel
Products Features:
1. Special Designed Drill Tip: Special designed drill tip will increase the Centering Ability and Chip breaker ability. Thus,the processing efficiency will be increased.
2. Much Sharper Cutting Edge: The much sharper cutting edge can decrease the cutting resistance and and torque. The lifetime of tools and machines will be longer.
3. Heat-resistant Coating: With highly heat-resistant HELICA/ALTIN coating, can be used for high-speed processing.
4. Smooth and Wide Flute:Smooth and wide flute will remove the cuttings more easily.
5. High Quality Raw Material: The raw material is used of high toughness, grain-sized carbon tungsten.
6. Polished Surface Treatment: With high polished surface treatment, reduce the friction coefficient could be reduced, the lathe efficiency could be improved, more production time could be saved.
Products Detail:,
 | |||||
| Step Drill Bits | |||||
| D1 | D2 | L1 | L2 | L3 | |
| 3.40 | 6.0 | 66 | 28 | 11.4 | |
| 4.30 | 6.0 | 66 | 28 | 13.6 | |
| 5.00 | 6.6 | 79 | 41 | 16.5 | |
| 6.90 | 10.0 | 89 | 47 | 21.0 | |
| 8.70 | 12.0 | 102 | 55 | 25.5 | |
| 10.40 | 14.0 | 107 | 60 | 30.0 | |
| 12.25 | 16.0 | 115 | 65 | 34.5 | |
| 14.25 | 18.0 | 123 | 73 | 38.5 | |
| Customized Tools are Acceptable | |||||
Changzhou Aitefasi Tool Co., Ltd. founded in 2004, is a high-tech manufacturer specialized in providing High-performance carbide cutting tools. Many high-performance equipments which are from Germany, USA and Switze produce high-quality cnc tools, including:
1. Tungsten Solid Carbide Drill Bits
Inner coolant and outer coolant drill bits.
Support 3XD, 5XD, 8Xd, 20XD, even more length and customized accepts.
Twist drill, center drill, bottom drill and other types of drill bits.
2. Tungsten Solid Carbide End Mill
Square end mill, ball nose end mill and other End Mills.
3. Tungsten Solid Carbide Reamer
Twist and straight flute, with high precision and long life.
4. Customized CNC Toolings
Customized as requirements, ODM & OEM accepts.
FAQ:
Q1. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you do the rest payment.
Q2. What are your terms of delivery?
A: EXW, FOB, CFR, CIF, ETC.
Q3. How about your delivery time?
A: Generally, It will take 10-15 days after receiving your advance payment. The specific delivery time depends on theitems and the quantity of your order.
Q4. Do you provide samples ? is it free or extra ?
A: Yes, we could offer our stock sample for free charge and you please pay the cost of freight.
custom cutting tools negotiated then we will quote the best sample cost.
Product Categories : Carbide Step Drill
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