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3 Inch R38 Retractable Drill Bit Wear Resistance Threaded Drill Bit

Categories Retractable Drill Bit
Place of Origin: China
Brand Name: MIROC
Model Number: 4148300671-4148300676
MOQ: 50
Packaging Details: Carton Box or Wooden Box
Delivery Time: 25 days
Payment Terms: T/T or L/C
Supply Ability: 20000 pieces per month
Price: negotiation
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3 Inch R38 Retractable Drill Bit Wear Resistance Threaded Drill 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: R38 Retrac 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

<

Part NumberBit Diameter (mm)Bit Diameter (inch)

Front Buttons

(No. x mm)

Gauge Buttons

(No. x mm)

4148300671642 1/23x10, 1x106x11
4148300672702 3/44x10, 1x108x11
41483006737634x11, 1x118x11
41483006747634x11, 1x118x12
4148300675893 1/24x13, 1x138x13
4148300676893 1/25x128x12

2

<

Product Code and Brief DescriptionAngle

Front Flushing

Holes

Side Flushing

Holes

Weight

(kg)

R1064-R38-B, R38 Retrac Button Bit, Ballistic Buttons35°3-2.2
R1370-R38-B, R38 Retrac Button Bit, Ballistic Buttons35°4-2.4
R1376-R38-B-1, R38 Retrac Button Bit, Ballistic Buttons40°4-3.3
R1376-R38-B-2, R38 Retrac Button Bit, Ballistic Buttons35°4-3.3
R1389-R38-B-1, R38 Retrac Button Bit, Ballistic Buttons35°4-4.8
R1389-R38-B-2, R38 Retrac Button Bit, Ballistic Buttons35°2-4.8

Quality 3 Inch R38 Retractable Drill Bit Wear Resistance Threaded Drill Bit for sale
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