R28 Spherical Threaded Button Bits Dia 37mm - 45mm Cnc Milling

R28 Spherical Buttons Dia 37mm - 45mm CNC Milling Rock Drilling Tools Button Drill Bit 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. KSQ offers a full range of threaded drilling tools. With the top quality of alloy steels and the best

Place of Origin China
Color Green or Customized
Packaging Details Carton Box or Wooden Box
Thread Type R28
Model Number R28
Button Type Hemispherical/Parabolic/Ballistic / Concial
Product Description

R28 Spherical Buttons Dia 37mm - 45mm CNC Milling Rock Drilling Tools Button Drill Bit

 

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.

 

KSQ offers a full range of threaded drilling tools.
With the top quality of alloy steels and the best carbides made in China,
we produce all threaded button bits by hot press technology.

 

Type

Thread Button Bit

Material

tungsten carbide

Use

Ore Mining, quarry,mining,blasting,construction,open bit etc.

Advantages

high quality and factory prices

Boby type

Normal type or retrac type

Thread

R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60, GT68

Tungsten carbide

Spherical, ballistic,Conical,Hemispherical

Fact type

Drop Center, Flat Face, Convex, Concave, etc

Color

According to your requirements

 

• 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

 

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

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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