Q18-89-St58-RC-Thread Button Bit for Mining and Rock Drilling

• Customization: Available
• Customized: Customized
• Type: Center Drill Bit
• Model NO.: Q18-89-St58-RC
• Material: Tungsten Carbide
• Usage: Well Drilling, PCB Drilling, Metal Drilling
• Condition: New
• Model: Thread Button Bit
• Body Type: Normal Type and Retract Type
• Diameter: 89mm
• 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:

Q18-89-ST58-RC-Threaded Button Bit

• Code No.: Q18-89-ST58
• Thread: ST58
• Diameter: 89mm
• Gauge Buttons: 9*12mm
• Front Buttons: 9*11mm
• Skirt Design: Retrac
• Weight: 5.2KGS
• Carbide Design: Parabolic/Dome

 

ST58 Threaded Button Bits are the most important size for benching and long hole drilling underground, this type of rock drill bits manufactured by rock drilling tools factory ProDrill.

Diameter: 89mm, 93mm, 102mm, 115mm, 127mm

Skirt Body: retrac, and normal, straightrac

Face type: flat, uniface, drop center

Carbide Design: Dome, ballistic, semi-ballistic

Used in bench drilling, underground long hole drilling

To match extension MF rod, MM rod heavy duty top hammer.

Features:

 

ST-58 thread type is double thread design for easy knock off drill bit, ST-58 means diameter 58 mm with double T shape thread, thread distance 24 mm, this is extra heavy duty drill bit for jump top hammer. Drill rod use guide tube for a match. 

18 Dome/Semi-ballistic carbide inserts ST58 Threaded drill bits with flat face design, 89 mm diameter with extension rod for heavy duty drilling.

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 10 years.
2. We have advanced technology and equipment.
3. Our technician has more than 13 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.