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|Type:||Drill Bit||Brand Name:||ProDrill|
|Processing Type:||Forging||Use:||Ore Mining|
|Length:||50mm~72mm||Product Name:||Tapered Coal Mine Drill Bit|
36mm 7buttons Used Tapered Forging Straight Button Drill Bit Sizes
Button bit is used with the hydraulic rock drilling rig, which is the best match for modern rock drilling technology. The most commonly used models are Φ32 drill bit and Φ40 drill bit, mostly used of taper 7°, 11° and 12°.
Drill bitton bit has long service life, accurate positioning, coarse cuttings, low dust, and no need for grinding. It has faster drilling speed and longer passivation time than ball-shaped bit. Its non-wear life is about 5-6 times of the grinding life of the same diameter blade head, which is beneficial to save auxiliary working hours, reduce manual labor and speed up engineering.
The hardest part of the buttton bit is on the upper column head. The material is wear-resistant alloy, and the lower handle is cast steel. There is thread and no thread.