Rotary Digging Drilling Bit Place of Origin: Shandong China
Color: Customized according to customer requirement
Our principle
1. According to the technical drawings using standard material specification productio
2. Competitive price and products
3. Tungsten carbide with reinforcement coal mining drill bits
4. Continuous miner, long wall shearing, roadheader

 Carbide Rotary Rig Drill Bits adapt to the machine with all the performance features such as a high feed rate,a long service life and short tool changing times.Together with the parts supply assurance,a high daily production volume,and above-average economy is guaranteed. 
Specification:
1. Flat cutter teeth with holders BFZ70, BFZ72, BFZ65, BFZ80, BHR73, B65-22, etc.
2. Round shank digging drill bits with holders B47K17-H, B47K19-H, B47K22-H, C31HD, B43H, C30, RB85, U47, U75, U76, U82, U84, U85, U92, U94, U95, U119, U138, S100,
S120, S150, S160, S170, S200, 75C, B47K22, 3050, C31HD, C21HD, 13#, 23#, 55# etc.
3. Coal bolting bit and coal bolting rod.
Digging drill product details:
1.Product Name:rock roatary drilling tools, bullet teeth, foundation drilling tools, auger drilling bit
2.Application: Rotating drill is a kind of suitable for building foundation engineering into a hole of construction machinery,our company produces the rotary digging teeth, screw drivers, rotating drill teeth, models including B47K22, B47K19, B47K17, 3050-3050-22, C31HD, C21HDU, 82, U84 etc., used in all kinds of pile driving machinery with a rotating drill, various spin dig a bit, all kinds of teeth.
3.Feature:Good quality, high strength, high resistance to wear, long service life
4.Material:High quality carbide and high quality steel
5.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.
We are a professional productions base of series of shield cutters, TBM cutters, auger bits, mining picks, anflats picks, holder and rock drilling tools ect.
Or we produce the products according to your samples or drawings.
We have exported our products to USA, Australia, Brazil, Canada, Korea, Japan, HongKong.