R35 button cross bit and coupling sleeve for drilling

R35 Threaded Button Bit, R35 Threaded Cross Bit, and Coupling Sleeve Overview

This page mainly introduces the R35 threaded button bit, R35 threaded cross bit, and coupling sleeve, which are widely used in the drilling tools of tunneling jumbo drilling rigs.

Technical Information of R35 Threaded Button Bit

• Connection thread: R35
• Head material: Tungsten carbide
• Bit body material: High-strength alloy steel
• Slag grooves: Distributed along the bit for chip removal and cooling
• Head design: Spherical buttons
• Diameter: 48 mm, 51 mm, 54 mm, etc.
• Gauge button angle: 30 degree and 35 degree
• Gauge buttons: 5×11 mm, 5×12 mm, 6×10 mm, etc.
• Center buttons: 2×9 mm, 2×10 mm, 3×9 mm, etc.
• Weight: 0.8 kg to 1.2 kg
• Head manufacturing process: Hot-melt inlay technology
• Other manufacturing processes: Full carburizing heat treatment, high-frequency treatment, and phosphating process

Technical Information of R35 Threaded Cross Drill Bit

• Connection thread: R35
• Head material: Embedded tungsten carbide buttons
• Bit body material: High-strength alloy steel
• Slag grooves: Distributed along the bit for discharging waste and coolant
• Head design: Cross shape
• HxT: 12×8 mm
• Diameter: 48 mm
• Weight: 1.0 kg

Technical Information of R38 Coupling Sleeve

• Specification: Middle stop
• Thread connection type: T38 and T38
• Length: 190 mm
• Diameter: 55 mm
• Material: Forged high-strength alloy steel
• Manufacturing process: Full carburizing heat treatment
• Weight: 2.0 kg