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High Strength Alloy Steel R28 Button Drill Bit Ballistic Buttons Dia CNC milling
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High Strength Alloy Steel R28 Button Drill Bit Ballistic Buttons Dia CNC milling

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High Strength Alloy Steel R28 Button Drill Bit Ballistic Buttons Dia CNC milling

 

 

 

Description

This type of bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 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 medium-hard to hard abrasive rock

Color: Green or Based on Customer requirements

Material: Tungsten carbide and high strength alloy steel

Processing: CNC milling and proprietary heat treatment process

Type: R28 Button Bit Ballistic 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)
4148300443 37 1 4/9 2x7 5x9
4148300444 38 1 1/2 2x8 4x9
4148300445 38 1 1/2 2x7 5x9
4148300446 41 1 5/8 2x8 5x9
4148300447 43 1 5/7 2x9 5x9
4148300448 45 1 7/9 2x9 5x10
4148300449 45 1 7/9 3x8 6x9
4148300450 48 1 8/9 2x9
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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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