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Product information:
-Name:Buttons High Quality Tungsten Carbide Tapered Drill Bits
-Button No.: 4,5,6,7,8.
-Brand Name: JX
-Diameter:30/32/34/36/38/40/42/50/53mm
-Material : Tungsten Carbide.
-Taper degree:7°,11°,12° .
-Rod Shank:Hex19*108, hex 22*108,
-Machine:Rock Drill
-Packaging:Wooden Case
-Delivery time:7-15days
-Certification: ISO9001:2015
-Place of Origin:China(Mainland)
-Use:Drilling Tools
-Application:Used for Granite and Marble quarry, Gold mine,
Railway, Tunnel etc.
Buttons Tungsten Carbide Tapered Drill Bits Description:
Comparing with taper chisel and cross bits, taper button bits have
higher technology, much longer primary drilling time and higher
drilling efficiency. According to the tungsten carbide insert,
button bits can be divided into types of hemispherical, conical and
parabolic button, etc.
Button bits with hemispherical button is for high bearing capacity
and abrasive resistance while conical button and parabolic button
are for high drilling speed and low abrasive resistance.
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.
Buttons Tungsten Carbide Tapered Drill Bits Picture:
Diameter of bits from 30mm to 50mm with 4 ,6,7,11,12 degree,
premium alloy tapered drill steel with Hexagonal.22mm and
Hexagonal.25mm,The deliver capacity are very strong and can
completely meet customer's requirements on delivery design,number
of buttons is 4,5,6,7,8,9,7 buttons is very popular for hold held
(short holes ) and blast drilling system.
4 Teeth tapered bits | ||||
Description | Diameter (mm) | Length (mm) | Water hole | Weight approx (kgs) |
Taper degree a=7°,11°,12°. Inner hole diameter d=22mm | 32 | 65 | 3 | 0.22 |
38 | 70 | 3 | 0.34 | |
40 | 70 | 2 | 0.35 | |
42 | 75 | 2 | 0.39 | |
44 | 75 | 2 | 0.42 | |
46 | 75 | 2 | 0.45 |