R38 threaded button bit

R38 threaded button bit for underground drilling tools

All threaded button bits are designed with 3D computer software such as UG, precisely machined by CNC, and undergo multiple heat treatments, resulting in excellent service life.

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Description

R38 Threaded Button Bit Features

R38 threaded button bit has excellent wear resistance and impact strength.

Technical Specifications of R38 Threaded Button Bit

  • Connection thread: 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: Available in 64 mm, 70 mm, and 76 mm
  • Gauge angle: 30 degrees and 35 degrees
  • Gauge buttons: 6×12 and 8×12
  • Center buttons: 3×11 and 4×11
  • Weight: Ranges from 1.6 kg to 2.5 kg
  • Head manufacturing process: Hot-pressing inlay technology
  • Other manufacturing processes: Full carburizing heat treatment, high-frequency hardening, and phosphating treatment
Technical Parameters
R38 threaded button bit for underground drilling tools
Thread bit, ButtonD (mm)D (inch)Buttons GaugeButtons CentreGauge button angleThreadOrder numberWeight (kg)

Button

Button

642 1/26 x 12 mm3 x 11 mm30 degreeR38B173-6409-56031.6
702 3/48 x 12 mm4 x 11 mm35 degreeR38B173-7012-56051.9
7638 x 12 mm4 x 11 mm35 degreeR38B173-7612-56052.5
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R38 threaded button bit for underground drilling tools