T38 Retract Button Bits from rock drilling tools manufacturer ProDrill, which is the most important size for benching and long-hole drilling underground.Such as: Q10-T38-76 Retract Button Bit for Nigerian Mining high grade copper ore, lead ore, zinc, manganese ore, lithium ore, tin ore.

Features as below

Diameter: 64mm 76mm, 89mm

Skirt body: retrac, and normal,

Face type: flat, uniface, drop center

Carbide design: Dome, ballistic

Used in bench drilling, underground long hole drilling

To match extension MF rod, MM rod heavy duty top hammer.

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We will choose to use tungsten carbide of T6，featuring good wear-resistance and toughness.
This type of carbide has already been proved to be the best in world and been competing with those big names worldwide for quite a long time.
Meanwhile，we will choose to use superior steel suitable for hot insertion technology, by which the drilling bits body will hold the carbide buttons so tightly that reduce the risk of buttons’ dropping out of the holes.
In order to better resist the abrasiveness of rock, spherical shape will be a good option for the carbide if high speed is not a necessity.

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Prodrill T38-76 Retract drill bit \'s advantages as follow :

1.Harder and stronger bit body steel

2.Longer service life and higher penetration rate

3.20% longer service life And better penetration rate compared to the leading bits on the market

4.Longer grinding intervals between regrinds

5.Prodrill bit gives you outstanding long -lasting power for your drilling

6.More meter drilled before first regrind...mote meter drilled at bit discard..

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Rock drill bits: 10 Semi-ballistic carbide inserts threaded drill bit with a drop center face and 76mm diameter, to match extension drill steels.

PDF For more details please watch PDF online: T38 Drill Bits for Bench Drilling, Long Hole Drilling Underground Catalogue

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Q10-T38-76 Retract Button Bit for Nigerian Mining of Copper , Zinc Ore etc