Buttons Chisel Taper Drill Bit for Variety Rock Formations Drilling

7,11,12 Degree Flat Chipways Taper Chisel Bit Apply To Variety Rock Formations drilling

Introduction

Our tapered button drill bit size from 32mm-42mm, tapered 4, 5, 6, 7, 11 and 12 degree, with 4, 5, 6 and 7 buttons. 

Our thread button drill bit size from 33mm-178mm, include thread type H25, R25, R28, R32, R38, T38, T45, T51, ST58, ED58 etc for kinds of button bit, reaming button bit, retract button bit, drop centre retract button bit.

The button shapes of our button bits are spherical, ballitic, conical for customers to choose 

The buttons can be hot insert to the body and welded to the body as per custmers need and many kinds of good materials are available.

Features 

1.Long life 

2.Lower consumption

3.Wide selections of drill bits

4.Delivery quickly  

Specification

We manufactuer various tapered button bits in different degrees as below:

Bit diameter: 32mm ~ 48mm;
Tapered degree: 4°46’, 6°, 7°, 11°, 12°;
Shank sizes: Hex. 19mm, Hex, 22mm and Hex. 25mm;
Buttons configuration: 4 buttons, 5 buttons, 6 buttons, 7 buttons, 8 buttons, 9 buttons 

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