Tungsten Carbide Drill Solid Carbide Step Drill Cncdrill Bits for Machine Tools

• Customization: Available
• After-sales Service: Yes
• Warranty: Yes
• Certification: ISO 9001:2000, ISO 9001:2008, SGS
• Standard: GB
• Surface Treatment: Polishing
• Manufacturing Process: Forging
• Material: Tungsten Carbide
• Grade: Yg8c, Yg11c, Yk05, Yk20
• Raw Material: Hard Metal
• Content: Wc + Co
• Process: Hot Insert or Cold Pressing Bit Inserting Process
• Delivery Time: 20-25 Days
• Shape: Spherical,Conical,Ballistic,Flattop,Crested Chisel
• Shipment: FedEx,DHL,TNT,UPS,EMS,etc.
• Application: Mining, Drilling, Rock
• Transport Package: Standard Export Carton
• Specification: 3XD, 5XD, 8XD
• Trademark: GW or OEM
• Origin: Zhuzhou, Hunan
• HS Code: 8208101900
• Production Capacity: 50000PCS Per Month

Product Description

Description of drill
1.Dimension : 3.3x66, 3.5x66, 6.0x82, 8.0x91, 16.0x133 and customized sizes
2.Measurements manufactured according to standard DIN6537
  Chisel edge grinding IRK standard
  Primary edge point angle 140°
  Shank according to DIN6535HA h6
3.Coating : Optinal
4. Tolerance of cutting edge diameter m7
5.Chip Evacuation Groove special designed, easy evacuation
6.Use for the process of structual steel, Alloy steel, Staineless steel and other common materials; Precise centering ability which enable to gain stable dimensional accurancy and fine surface quality; suitable for process system with excellent rigidity.





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 Company Information
 Zhuzhou Grewin Tungsten Carbide Tools Co., Ltd is located in hometown of Chinese carbide industry - Zhuzhou city. The company has more than 20 years' experience in manufacture, design and sale of various kinds of carbide products, main products include: Carbide end mills, carbide rods, indexable inserts, brazed inserts, wire drawing dies, forging dies, wood working tools, saw tips, mining buttons, etc
  The company has passed ISO 9001: 2008 quality system, possesses advanced production equipments, complete testing instruments, strong R&D center and QC teams. 
With excellent quality, strong technical support, and good after sales service, Grewin Carbide brand products are sold to more than 50 countries in the world, such as Europe, USA, south east Asia, Middle East, south America, etc. 
The company is dedicated to " WE GROW, WE WIN". Grewin Carbide is growing up with the World's carbide technology, to meet the demand of our customers from all over the world. 
FAQ:

1. who are we?
   We are based in Hunan, China, start from 2022,sell to Western Europe(15.00%),Eastern Europe(15.00%),Southern Europe(15.00%),Northern Europe(15.00%),South America(10.00%),Central America(5.00%),Southeast Asia(5.00%),North America(5.00%),Mid East(5.00%),South Asia(3.00%),Africa(3.00%),Eastern Asia(3.00%),Domestic Market(1.00%). There are total about 11-50 people in our office.
   
   2. how can we guarantee quality?
   Always a pre-production sample before mass production;
   Always final Inspection before shipment;
   
   3.what can you buy from us?
   PCD Drill,PCD end mill,solid carbide end mill,cemented carbide insert,CBN insert
   
   4. why should you buy from us not from other suppliers?
   our main products: Metal cutting tools: carbide cutting insert, carbide end mill carbide drill carbide taps carbide reamers carbide saw blade Wood working tool: wood cutting insert carbide drill bit saw blade and planer reversible cutting insert
   
   5. what services can we provide?
   Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,DDU,Express Delivery;
   Accepted Payment Currency:USD,EUR,CNY;
   Accepted Payment Type: T/T,Credit Card,PayPal,Western Union;
   Language Spoken:English,Chinese,Spanish,Russian