Customization: | Available |
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Customized: | Customized |
Length: | Taper-length |
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Made with high quality of raw material through special heat treatment, especially, tungsten carbide of tapered button bits are from Boart long year, widely applied in Hand Hold ( short-hole) drilling system for dimensional stone quarrying. At now, we are exporting the huge qty of Q7- 33- 7 22-80, Q9 -45 -12 22- 71 for Indian quarry and Norway, Finland quarry.
About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.Product Name: |
T ungsten carbides tapered drill bit |
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Types |
R ock cross drill bit, Tapered cross bits, Tapered button bits/ 34mm button drill bit |
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Application:: |
U se in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling |
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Feature: |
Tapered drill bits connect tapered drill steel of rock drill for drilling holes |
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Material: |
High quality carbide and high quality steel |
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MOQ: |
5pcs |
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We can design and manufature according to your requirment of diameter, number air holes and carbide button shape. |
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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 |
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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 |