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[Province: Guangdong ]   
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3" 2" R32 Button Drill Bit Spherical CNC Drill Bits For Tunneling
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3" 2" R32 Button Drill Bit Spherical CNC Drill Bits For Tunneling

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Description

This type of bit is a high speed drilling bit for soft to medium rock formations (between 50 Mpa to 150 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.

• Widely used drifting and tunneling
• Bit face design is ideal for soft to medium rock formations

Color: Green or Based on Customer requirements

Material: Tungsten carbide and high strength alloy steel

Processing: CNC milling and proprietary heat treatment process

Type: R32 Button Bit Spherical Buttons

 

Applications

• Underground mining
• Tunneling

 

Competitive Advantage

• High grade tungsten carbide inserts
• Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment

 

specification

1

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Part Number Bit Diameter (mm) Bit Diameter (inch)

Front Buttons 

(No. x mm)

Gauge Buttons 

(No. x mm)
4148300487 41 1 5/8 2x9 4x9
4148300488 41 1 5/8 2x8 5x9
4148300489 43 1 5/7 2x9 5x9
4148300490 43 1 5/7 2x9 5x10
4148300491 43 1 5/7 2x9 6x9
4148300492 45 1 7/9 2x9 5x11
4148300493 45 1 7/9 2x9 6x10
4148300494 45 1 7/9 3x8 6x10
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Mr. Yan
Tel: 86-755-36989033
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Contact Method
China Hole Saw Online Market
NO.898,North Zhongxing Road, Shenzhen, Guangdong, China (Mainland)
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