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T38 3 inch Retractable Drill Bit Retrac Spherical Button Bit

Place of Origin: Zhejiang

Company Profile

Location: Beijing, China (Mainland)
Business Type: Manufacturer
Main Products: Rock Drilling Tools, Button Drill Bit, Cross Bits

Product Detail

Model No.: 4148300737-4148300749

Product Description

 

T38 3 inch Retractable Drill Bit Retrac Spherical Button Bit

 

Description


This type of bit is well known for its wear resistance on soft to medium-hard rock formations (between 55 Mpa to 165 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture. Recommended for eliminating hole deviation.

• Widely used drifting and tunneling
• Bit face design is ideal for soft to medium rock formations
• With Retrac Wings to help guide the bit in and out of the hole
• Effective in straight hole drilling


Color: Green,Blue or Based on Customer requirements


Material: Tungsten carbide and high strength alloy steel


Processing: CNC milling and proprietary heat treatment process


Type: T38 Retrac 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


 

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

Front Buttons 

(No. x mm)

Gauge Buttons 

(No. x mm)

4148300737 64 2 1/2 4x10 8x10
4148300738 64 2 1/2 3x10,  1x10 6x11
4148300739 70 2 3/4 4x11 8x11
4148300740 70 2 3/4 3x10, 1x10 6x13
4148300741 70 2 3/4 4x10,  1x10 8x11
4148300742 76 3     4x11 8x11
4148300743 76

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