Double Edged Spiral Tungsten Carbide Step Drill Bit 4 Flute
Double Edged Spiral Tungsten Carbide Step Drill Bit 4 Flute
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Basic Infomation
Place of Origin: Zhuzhou--Carbide City
Brand Name: Whitout Brand
Certification: ISO9001, SGS
Model Number: As your requirements
High Light:

Double Edged tungsten carbide step drill bit


Spiral tungsten carbide step drill bit


4 Flute tungsten carbide drill set

Payment & Shipping Terms
Packaging Details: 1PCS in a plastic tube, 10 PCS per group
Delivery Time: 15-25 work days
Supply Ability: 50000pcs/Month
Used: Aluminum Alloy, Aluminum Plate, Aluminum Profile, Etc
Customized: Standard Or Customized
Raw Material: 100% Raw Material
Delivery Time: 7-15 Days
Precision: High Precision
Payment Term: T/T,Western Union ,Paypal
Shipment: FedEx, DHL, TNT, UPS, EMS, Etc
Package: Standard Box
Flute: 2/3/4 Flutes,Single Flutes
Product Description


Solid Carbide Double-Edged Spiral Ball End Mills Used In Machine Tool
Product Description:

1.Product Features
Made of high-quality tungsten steel and processed with excellent equipment. The edge mirror grinding process has sharp edges. The tool is wear-resistant and heat-resistant, does not burn the knife, has good wood resistance, strong breaking resistance, and is durable and durable.

2. Main technical data

Product Code Shank diameter Blade diameter Blade length Total length
2*8*3.175 3.175 2.0 8 38
2*10*3.175 3.175 2.0 10 38
2*12*3.175 3.175 3.175 12 38
2*17*3.175 3.175 3.175 17 38
2*20*3.175 3.175 3.175 20 38
2*25*3.175 3.175 3.175 25 50


3. Payment
T/T, Western Union, Paypal (Choose your convenient way)

4. Shipment
FedEx, TNT, DHL, UPS, EMS, etc.
The port is Beijing, Shanghai, Guangzhou, Shenzhen, any port in China. (choose your convenient way)

5. Delivery time


6.Our Services
More than 2000 products are available. Assembly line production, high standard and strict requirements.

OEM Services Offered

Customized Tools Offered

Free laser marking on tools and boxes Offered

Fast delivery time and Convenient Transportations. We have FedEx,DHL,TNT,UPS,EMS,etc.

7. Product Show

Double Edged Spiral Tungsten Carbide Step Drill Bit 4 Flute 0Double Edged Spiral Tungsten Carbide Step Drill Bit 4 Flute 1Double Edged Spiral Tungsten Carbide Step Drill Bit 4 Flute 2Double Edged Spiral Tungsten Carbide Step Drill Bit 4 Flute 3Double Edged Spiral Tungsten Carbide Step Drill Bit 4 Flute 4



8. Company Introduction
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.
The products we can offer:
Tungsten Carbide products: carbide inserts, tool holders, milling cutters, end mills, drill bits, reamers, wear parts, router bits, and other carbide products.
HSS products: machine taps, drill bits, end mills, gear hobs and other OEM products.
Accessories of CNC toolholders.



Any of your inquiry, we are always welcome!

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Get in touch with us
Tel : 86-15873382318
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