Tapered Button Bits
Drill Bits

Tapered Button Bits

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Description

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

Bit diameter: 26mm to 60mm;

Tapered degree: 4°46', 7°, 11°, 12°;

Shank sizes: Hex. 19mm, Hex, 22mm and Hex. 25mm.

Plato offers various cutting structure design configurations, include chisel bits, cross bits and button bits, for an extensive and diverse selection. These designs can be used in a variety of rock formations for maximum productivity, high penetration rate and long service life.


Chisel BitsCross BitsButton Bits
Taper Degree7°, 11°and 12°7°, 11°and 12°
Bits Socket Diametermm232322
inch27/3227/327/8

Bit

Diameter

mm26 ~ 4328 ~ 5128 ~ 45
inch1 1/32 ~ 1 45/641 7/64 ~ 21 7/64 ~ 1 25/32
RemarkThere are horseshoe and oblique chipways designs;To drill media hard, hard and crack not grown formation with rock hardness not above f15 and in place where the compacting power of the rock drill doesn’t exceed 8Kg/MPaTo drill hard, very hard and crack grown formationThere are short skirt, average long skirt and enhanced long skirt;

Note: 

1.Special sizes may be available upon request;

2.Choose big and high carbide bits, when work with high impact rock drills, to improve anti-percussive capability of the inserts;

3.Work with soft formation, use extreme hard carbide inserts bits to get high penetration; while work with hard formation, use sub-hard carbide inserts bits to avoid inserts breaking; work with erosive formation, use anti-resistance alloy carbide inserts;

4.The taper degree of the bits must be the same as the taper rods that it is planned to work with.

How to order?

Chisel Bit: Bit Diameter + Taper Degree + Socket Diameter + Head Design

Cross Bit: Bit Diameter + Taper Degree + Socket Diameter

Button Bit: Bit Diameter + Taper Degree + Socket Diameter + Skirt length + Insert Configurations


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