tapered button bit for top hammer rock drilling tools

The tapered button bit is a versatile drilling tool that is widely used in various applications across different industries. It is specifically designed for efficient drilling through hard and highly abrasive rock formations.

Description

Tapered Button Bit Overview

This tapered button bit is typically used with rail-mounted pneumatic drills and is intended for lightweight applications.

Technical Specifications of the Tapered Button Bit

  • Head material: embedded tungsten carbide buttons
  • Bit body material: high-strength alloy steel
  • Bit diameter: 32mm, 35mm, 38mm, 40mm, 41mm, and 42mm available
  • Gauge buttons: 3x9mm, 5x9mm, 6x7mm, etc.
  • Center buttons: 1x8mm, 1x9mm, 2x7mm, etc.
  • Tapered hole taper: 7 degrees, 11 degrees, and 12 degrees available
  • Gauge button angle: 40 degrees
  • Weight: ranges from 0.3 kg to 0.5 kg
Technical Parameters
tapered button bit for top hammer rock drilling tools
Taper bit、ButtonDButtons (No x Size,mm)Gauge button angleTaperOrder numberWeight kg
mminchGaugeCentre

Button

Button

381 1/23 x 91 x 840 degree7 degreeB142-3804-27640.3
401 9/163 x 91 x 8B142-4004-27640.4
421 5/83 x 91 x 9B142-4204-27640.4

Button

Button

381 1/23 x 92 x 840 degree12 degreeB142-3805-22640.3
401 9/163 x 92 x 87 degreeB142-4005-27640.4
421 5/83 x 92 x 97 degreeB142-4205-27640.5

Button

Button

381 1/25 x 92 x 740 degree12 degreeB141-3807-22040.4
411 9/165 x 92 x 811 degreeB141-4107-21040.4
421 5/85 x 92 x 812 degreeB141-4207-22040.4

Button

Button

321 1/46 x 72 x 740 degree12 degreeB141-3208-22640.3
351 3/86 x 82 x 712 degreeB141-3508-22640.3
381 1/26 x 92 x 77 degreeB141-3808-27640.4
401 9/166 x 92 x 87 degreeB141-4008-27640.4
411 5/86 x 92 x 87 degreeB141-4108-27640.4
421 21/326 x 92 x 87 degreeB141-4208-27640.5