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.

Packaging:

Specifications:
Packaging Detail:65pcs/box (wooden box, plastic box)
Delivery Detail:20--25days
The information of the drill bit you may like to know before order:
1.Method of payment:T/TWestern Union.
2.Handing time for an order:Based on order quantity,normally it takes 25 days for production.only 2 or 3 days if we have stock on your request size.
3.Shipping way:Sample order,we suggest courier express like DHL/UPS/TNT by air.Bulk order we suggest by sea or by air.
4.Quality control:We have our own experienced QC,there will be strict inspection and testing for every ord
er before shipping out.
About us:
We can supply all kinds of coal mining bits, sleeves and holders, and shearer picks, which have high Strength, high wear resistance and long life features. They are widely using on excavation achines, hearers, continuous mines etc.
We choose high quality steel, and high quality tungsten carbide tip via forging, welding, heat treatment.
Steel body, made by material 42CrMo, heat treatment with 40-44HRC hardness, has high toughness and wearable character. Tip is made by material tungsten carbide,
And Suitable Grade Selected according to the Target Projects, Which are to make sure the good Performance during working.