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R28 Button Bit Spherical Buttons Dia 37-45mm
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R28 Button Bit Spherical Buttons Dia 37-45mm

4148300436-442
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Description

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 Spherical Buttons

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Applications

? Underground mining
? Tunneling

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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

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specification

1

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Part?Number | Bit?Diameter?(mm) | Bit?Diameter?(inch) | Front?Buttons? (No.?x?mm) | Gauge?Buttons? (No.?x?mm) |
4148300436 | 37 | 1?4/9 | 2x7 | 5x9 |
4148300437 | 38 | 1?1/2 | 2x8 | 4x9 |
4148300438 | 38 | 1?1/2 | 2x7 | 5x9 |
4148300439 | 41 | 1?5/8 | 2x8 | 5x9 |
4148300440 | 43 | 1?5/7 | 2x9 | 5x9 |
4148300441 | 45 | 1?7/9 | 2x9 | 5x10 |
4148300442 | 45 | 1?7/9 | 3x8 | 6x9 |
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2

<

- - - -
Product?Code?and?Brief?Description | Angle | Front?Flushing? Holes | Side?Flushing? Holes | Weight? (kg) |
B737-R28-S,?R28?Button?Bit,?Spherical?Buttons | 30° | 1 | 1 | 0.5 |
B638-R28-S,?R28?Button?Bit,?Spherical?Buttons | 30° | 1 | 2 | 0.6 |
B738-R28-S,?R28?Button?Bit,?Spherical?Buttons | 30° | 1 | 1 | 0.6 |
B741-R28-S,?R28?Button?Bit,?Spherical?Buttons | 35° | 1 | 1 | 0.7 |
B743-R28-S,?R28?Button?Bit,?Spherical?Buttons | 35° | 1 | 2 | 0.8 |
B745-R28-S,?R28?Button?Bit,?Spherical?Buttons | 30° | 1 | 2 | 0.9 |
B945-R28-S,?R28?Button?Bit,?Spherical?Buttons | 35° | 1 | 3 | 0.9 |
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KSQ Technologies (Beijing) Co. Ltd

Rock Drilling Tools,Button Drill Bit,Cross Bits

Address: Rm 705, Unit 2, Building 6, Jialian Plaza,
Beijing, Beijing
China, 100000

Tel: 86-10-60714361
Fax: 86-10-60714361

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