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ST58 Hardened Steel Drill Bits Diameter 89mm - 115mm Retractable Button Drill Bit

ST58 Hardened Steel Drill Bits Diameter 89mm - 115mm Retractable Button Drill Bit

Brand Name:MIROC
Certification:ISO
Model Number:ST58
Minimum Order Quantity:5
Delivery Time:15-20 days
Payment Terms:T/T or L/C, D/A, D/P, Western Union, MoneyGram
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Location: Beijing Beijing China
Address: Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
Supplier`s last login times: within 1 hours
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Product Details

ST58 Hardened Steel Drill Bits Diameter 89mm - 115mm Retractable Button Drill Bit


Description

Rock drilling tools manufacturer KSQ offers rock drill bits: ST58 Retrac Threaded Button Bits are one of the most important size for benching and long hole drilling underground


• 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 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

Our products can match over 95% against the original products

Price are competitive against the famous brands and best quality against the small factory


Specification

Part NumberBit Diameter (mm)Bit Diameter (inch)

Front Buttons

(No. x mm)

Gauge Buttons

(No. x mm)

4148300985893 1/26x128x14
4148300986893 1/24x13, 1x138x13
414830098710247x128x14
41483009881154 1/26x148x16

Product Code and Brief DescriptionAngle

Front Flushing

Holes

Side Flushing

Holes

Weight

(kg)

R1489-ST58-B-1, ST58 Retrac Button Bit, Ballistic Buttons35°215.1
R1389-ST58-B, ST58 Retrac Button Bit, Ballistic Buttons35°4-5.1
R1589-ST58-B, ST58 Retrac Button Bit, Ballistic Buttons35°216.5
R1489-ST58-B-2, ST58 Retrac Button Bit, Ballistic Buttons35°2-8.5


China ST58 Hardened Steel Drill Bits Diameter 89mm - 115mm Retractable Button Drill Bit supplier

ST58 Hardened Steel Drill Bits Diameter 89mm - 115mm Retractable Button Drill Bit

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