R32 Drill Bits for Drifting and Tunneling

R32 Drill Bits made with high quality of best quality alloy steel bar and tungsten carbide, through heat treatment like Atlas. It can withstand the toughest rock drilling demands,and transmit intensive impact energy into the rock with the least possible loss of energy ....

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R32 Drill Bits are ideal for medium to hard ground, they are recognized by their characteristic raised buttons and grooved chipways and flushing holes on the face.

GMD rock tools for top hammer drilling are designed to transmit intensive impact energy into the rock with the least possible loss of energy. The result is good rock breakage, high penetration rates and high productivity. This, together with optimal hole quality, great reliability and long service life, gives the best possible blasting results, outstanding drill-steel economy and low total cost.

A comprehensive range of various button bits shown as below:

Product Name: R32 Drill Bits

Thread type: R32

Head diameters: 41mm ~ 76mm

Face designs; flat face,

Carbide shape: Dome, Ballistic , Semi-Ballistic,

Skirt designs: Standard, Retrac


R32 Button Bit-6


R32 Button Bit-5



SPECIFICATIONS FOR R32 45mm Ballistic Carbides Rock Drill Thread Button Bit

Item

Specification

Choice

OEM Service

Product Name

R32 45mm Ballistic Carbides Rock Drill Thread Button Bit

R32-45mm Drill Bit

Available

Brand

GMD


Available

Material

45CrNiMoV

35CrNiMoV

Not Availbale

Carbide Size

6*10mm,3*8mm

6*9mm,3*8mm

Available

Diameter

45mm

43mm-64mm

Available

Length

110mm

120mm

Available

Socket diameter

32mm

35mm

Available

Uses

Tunneling

Underground drilling

Available

Color

Original color

Blue,yellow

Available


Packing

N-packing




Notes:

Special sizes may be available   upon request.


How to order?
Button Bit: Diameter + Thread + Skirt Shape + Face Design   + Insert Button Shape


How to Choose the Right Button Shape

Button Shape and Application

Button Shape

Application

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Domed/Round Button: Domed/Round buttons are suitable for very abrasive and very hard formations.

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Parabolic /Semi-Ballistic Button; Parabolic buttons are usually used as gauge buttons and front buttons, suitable for medium abrasive and hard formations.

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Ballistic Button : Ballistic buttons are usually used as front buttons, suitable for medium abrasive and medium hard formations. They can also be used as gauge buttons if the rock is soft.

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Sharp Buttons ; Sharp buttons are usually used as front buttons  for soft formations, suitable for high rotation speed and low bit broken rate soft rock.


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