R38 x drill bit for drill jumbo in open pit mining

Introduction

This webpage mainly introduces the R38 threaded button bit, R38 threaded cross drill bit, and coupling sleeve.

Technical specifications of R38 threaded button bit

• Thread connection: R38
• Head material: Tungsten carbide
• Bit body material: High-strength alloy steel
• Flushing grooves: Distributed along the bit for chip removal and cooling
• Head design: Button shape
• Diameter: 64 mm and 76 mm, etc.
• Side button angle: 30 degree and 35 degree
• Side buttons: 8×11 mm and 8×11 mm, etc.
• Center buttons: 4×10 mm and 4×11 mm, etc.
• Weight: 1.9 kg and 2.3 kg
• Head manufacturing process: Hot-press welding technology
• Other manufacturing processes: Full carburizing heat treatment, high-frequency treatment, and phosphating

Technical specifications of R38 threaded X drill bit

• Thread connection: R38
• Head material: Embedded tungsten carbide buttons
• Bit body material: High-strength alloy steel
• Flushing grooves: Distributed along the bit for removing debris and waste liquid, and for cooling medium
• Head design: X shape
• HxT: 16×10 mm
• Diameter: 70 mm
• Weight: 2.1 kg

Technical specifications of coupling sleeve

• Types: Middle stop and reduction
• Thread connection: R38 and T45
• Lengths: 170 mm, 190 mm, and 207 mm
• Diameter: 55 mm and 66 mm
• Material: Forged high-strength alloy steel
• Manufacturing process: Full carburizing heat treatment
• Weight: 1.8 kg to 3.2 kg