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Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch
Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch
Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch
Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch
Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch
Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch
Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch
Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch
Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch
Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch
Specifications
Place of Origin :
China
Brand Name :
MIROC
Model Number :
4148300981-4148300984
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
Description

Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch

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: ST58 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)
4148300981 89 3 1/2 6x12 8x14
4148300982 89 3 1/2 4x13, 1x13 8x13
4148300983 102 4 7x12 8x14
4148300984 115 4 1/2 6x14 8x16

Product Code and Brief Description Angle

Front Flushing

Holes

Side Flushing

Holes

Weight

(kg)
R1489-ST58-S-1, ST58 Retrac Button Bit, Spherical Buttons 35° 2 1 5.1
R1389-ST58-S, ST58 Retrac Button Bit, Spherical Buttons 35° 4 - 5.1
R1589-ST58-S, ST58 Retrac Button Bit, Spherical Buttons 35° 2 1 6.5
R1489-ST58-S-2, ST58 Retrac Button Bit, Spherical Buttons 35° 2 - 8.5

Product tags

driling screw

,

www self driling screw

,

black self drilling screws
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Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch

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Product Detail
Place of Origin :
China
Brand Name :
MIROC
Model Number :
4148300981-4148300984
MOQ :
50
Packaging Details :
Carton Box or Wooden Box
Delivery Time :
25 days
Contact Supplier
video
Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch
Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch
Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch
Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch
Wear Resistance Retractable Drill Bit ST58 3.5 inch 4.5 inch

KSQ Technologies (Beijing) Co. Ltd

Verified Supplier
12 Years
beijing, beijing
Since 2009
Business Type :
Manufacturer, Exporter
Main Products :
Rock Drilling Tools, DTH Drilling Tools, Button Drill Bit
Total Annual :
3000000-5000000
Employee Number :
50~100
Certification Level :
Verified Supplier
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