Roughing End Mill

Best(Hebei) Technology Co., Ltd.: Your Professional Roughing End Mill Manufacturer!

Best(Hebei) Technology Co., Ltd. is subordinate to Best Cemented Carbide Technology Co., Ltd. under the Sheng gong Group. The company's main products include flat end mill, ball nose end mill, roughing end mill, long neck end mill, spiral flute bits, taper ball nose endmill and so on.

Why choose us

Rich experience

After more than ten years of development, GR8 brand precision cutting tools have become a well-known brand in the industry, occupying a large market share in China. At the same time, it is widely recognized by more and more customers from more than 50 countries.

Customized services

The purpose of the company is to provide customers with the most cost-effective products, and provide quality services. Meanwhile, in order to meet the needs of different customers, the company's professional technicians will provide customized services for professional customers.

Advanced equipment

The company keeps pace with the times, introduces the most advanced production technology and the most advanced CNC cutting tool production equipment at home and abroad, combines its own conditions, plans its own development path, and improves its own production process.

Sales market

After years of development, the GR8 brand has successfully expanded into markets in more than 50 countries including Japan, Australia, Asia, the Middle East, Europe, and the Americas, and has been recognized by more and more customers.

Features of Roughing End Mill

Tooth geometry
Aggressive tooth design: Features larger, more widely spaced teeth compared to finishing end mills.
Wavy or serrated tooth profile: Breaks up chips effectively, reducing cutting forces and preventing chip build-up.

Flute design
Deeper flutes: Accommodate larger chip loads and improve chip evacuation.
Spiral flute design: Enhances chip removal and reduces cutting forces.

Material and coating
Tougher materials: Made from high-speed steel (HSS) or carbide to withstand heavy cutting conditions.
Protective coatings: Often applied to improve wear resistance, heat resistance, and tool life.

Overall design
Larger diameter: Allows for higher material removal rates.
Shorter flute length: Provides greater rigidity and reduces vibration.

Product Specifications

SPECIFICATION	D1	L1	D	L
D3.17512D3.175*38L	3.175mm	12mm	3.175mm	38L
D3.17517D3.175*38L	3.175mm	17mm	3.175mm	38L
D3.17522D3.175*45L	3.175mm	22mm	3.175mm	45L
D3.17525D3.175*45L	3.175mm	25mm	3.175mm	45L
D417D4*50L	4mm	17mm	4mm	50L
D422D4*50L	4mm	22mm	4mm	50L
D425D4*50L	4mm	25mm	4mm	50L
D432D4*60L	4mm	32mm	4mm	60L
D617D6*50L	6mm	17mm	6mm	50L
D622D6*50L	6mm	22mm	6mm	50L
D625D6*50L	6mm	25mm	6mm	50L
D632D6*60L	6mm	32mm	6mm	60L
D642D6*70L	6mm	42mm	6mm	70L
D652D6*80L	6mm	52mm	6mm	80L
D662D6*90L	6mm	62mm	6mm	90L
D825D8*60L	8mm	25mm	8mm	60L
D832D8*60L	8mm	32mm	8mm	60L
D842D8*70L	8mm	42mm	8mm	70L
D852D8*80L	8mm	52mm	8mm	80L
D862D8*90L	8mm	62mm	8mm	90L
D1032D10*75L	10mm	32mm	10mm	75L
D1042D10*85L	10mm	42mm	10mm	85L
D1062D10*95L	10mm	62mm	10mm	95L

Components of roughing end mill

Shank

The shank is the side of the end mill that is secured into the CNC machine’s tool holder. The shank must be solidly constructed, as any instability can lead to inaccuracies in the milling process.

Flutes

These are the deep helical grooves running up the cutter, where the chips form. Roughing end mills usually have more flutes than regular end mills, which supports the rapid removal of material.

Cutting edge

This is the sharp edge of the flutes that cuts into the workpiece. In roughing end mills, the cutting edges are serrated, which helps disperse the force exerted on the tool.

End and tip

The end of the mill would either be flat (square end mill) or rounded (ball end mill), while the tip determines its ability to plunge into the material (center cutting or non-center cutting).

Packaging

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Shipping

productcate-716-385

Customize the Ordering Process

Certifications

FAQ

Q: How does it differ from a finishing end mill?

A: A roughing end mill is focused on rapid material removal with less concern for surface finish. It typically has a more aggressive flute geometry. A finishing end mill, on the other hand, is designed to produce a smooth and accurate surface finish, often with a smaller number of flutes and a more refined cutting edge.

Q: What are the main applications of roughing end mills?

A: They are used in various industries such as manufacturing, automotive, and aerospace. For example, in creating rough shapes of engine blocks, structural parts, or large - scale mold components where a significant amount of material needs to be removed quickly.

Q: What are the typical flute designs in roughing end mills?

A: Roughing end mills often have a wavy or scalloped flute design. This design helps break the chips into smaller pieces, which are easier to evacuate from the cutting area, preventing chip clogging.

Q: What materials are roughing end mills made of?

A: High - speed steel (HSS) is a common material for general - purpose roughing end mills. Carbide is also widely used, especially for machining harder materials, as it offers greater hardness and wear resistance.

Q: How is the cutting edge geometry optimized for roughing?

A: The cutting edge geometry is designed with a relatively large rake angle to reduce cutting forces. The relief angle is also adjusted to allow for efficient material removal while maintaining tool strength.

Q: How do you determine the appropriate cutting speed for a roughing end mill?

A: The cutting speed depends on factors like the material of the workpiece (e.g., softer materials can tolerate higher cutting speeds), the material of the end mill, and the diameter of the end mill. For example, when machining aluminum with a carbide roughing end mill, a relatively high cutting speed can be used compared to machining a hard alloy.

Q: How do I choose the right diameter of a roughing end mill?

A: Consider the size of the workpiece and the amount of material to be removed. Larger diameters can remove more material per pass but may not be suitable for tight spaces. Smaller diameters are useful for getting into corners or for machining smaller features on a large workpiece.

Q: How should I clean a roughing end mill?

A: Use a brush, preferably a soft - bristle one, to remove chips and debris. If there is stubborn residue, a mild solvent that is compatible with the tool material can be used. Avoid using abrasive cleaners that could damage the cutting edges.

As one of the leading roughing end mill manufacturers and suppliers in China, we warmly welcome you to wholesale high-grade roughing end mill for sale here from our factory. All customized products are with high quality and competitive price.indexable ball nose end mill, steel end mills, carbide end mill speed and feed