St58 89mm Retracthread Drill Bit for Mining

• Customized: Non-Customized
• Type: Center Drill Bit
• Material: Tungsten Carbide
• Usage: Well Drilling, PCB Drilling, Metal Drilling
• Model: Thread Button Bit
• Thread: St58
• Model NO.: St58-89
• Diameter: 89mm
• Body Type: Normal Type and Retract Type
• Color: Red, Black, Yellow, Gold
• Transport Package: Wood Package
• Specification: CE, SGS, ISO: 9001, R32 R38 T38 T45 T51
• Trademark: PRODRILL
• Origin: China
• HS Code: 82071990
• Production Capacity: 10000PCS/Month

Product Description

Description:

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

ST58 Retrac Threaded Button Bit
Diameter: 89mm, 93mm, 102mm, 115mm, 127mm

Skirt Body: retrac, and normal, straightrac
Face type: flat, uniface, drop center
Uniface ST58 Threaded Drill Bit
Carbide Design: Dome, ballistic, semi-ballistic/parabolic
Retrac body Threaded Drill Bit ST58 Threaded Button Bit ST58 threaded button bit ST58 Thread Retrac Button Bit
Used in bench drilling, underground long hole drilling to match extension drill rod, heavy duty top hammer.

ST58-89, retrac button bit with drop centre DC , carbide layout 14mm*8+12mm*6

 

 

Advantages:
Compared with the oversea brands, our advantages are bellowing:
A. Our products can match over 95% against the original products
B. Price are competitive against the famous brands and best quality against the small factory


About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 15 years.
2. We have advanced technology and equipment.
3. Our technician has more than 15 year's professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Philippines, Thailand, India, etc.