St58 Button Thread Mining Bit Gt60 Tungsten Carbide Thread Button Drill Bits

• Customization: Available
• Customized: Non-Customized
• Type: Center Drill Bit
• Model NO.: Thread button bit
• Material: Tungsten Carbide
• Usage: Well Drilling, PCB Drilling, Metal Drilling
• Model: Thread Button Bit
• Thread: St58
• Diameter: 89mm
• Body Type: Normal Type and Retract Type
• Color: Red, Black, Yellow, Gold
• Use: Mining
• 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

ST58 Button Thread Mining Bit GT60 Tungsten Carbide Thread Button Drill Bits

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