Tapered Chisel Drill Bits for Rock Mining Drilling

Tapered equipment affords drillers the ability to change drilling bits whilst still using the same drilling rod. Drillers choose tapered cross type bits if the goal is to minimize hole deviation in small hole range drilling.

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Cross bits are Usually all carbide tips, including chisel, cross or button types

Tapered Chisel bit arbides shape are chisel type on drill bits. same as taper chisel bits, they have different taper degree and diameters.
Before carbides run out,carbides can be grind to be sharper when carbides are wear out.

Product Description

Different taper sizes have different characteristics when it comes to the “knock-off” index – the smaller angle will prevent the bit from spinning. Used in drifting and tunneling.

Product Specifications

Product Name:	mining tungsten carbides taper button rock drill tool bit
Types	Tapered chisel bits, Tapered cross bits, Tapered button bits
Application::	Tapered drill bits are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling
Feature:	Tapered drill bits connect tapered drill steel of rock drill for drilling holes
Material:	High quality carbide and high quality steel
MOQ:	No requirement for testing and trial order
We can design and manufature according to your requirment of diameter, number air holes and carbide button shape.
Types of drill bits	Diameter (mm)	Taper Angle (Degree)	Length (mm)	Weight (kg)
Tapered chisel bits	20/22/28/30/32/34/36/38/40	4 degree/ 6 degree/ 7 degree/ 11 degree/ 12 degree	50/55/60/71/80	0.15 - 0.45
Tapered cross bits	24/26/28/30/32/33/34/35/36/3/38/40/42/48/50/55		50/55/60/71/80	0.18 - 0.7
Tapered button bits	28/29/30/32/33/34/35/36/37/38/40/41/42/45		50/55/60/71/80	0.2 - 0.5

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OEM Customization

Drilling Diameter

Depth

Power Type

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