30mm/32mm/34mm/36mm tapered chisel bit

Product Specifications:

Further detail of the products:

Taper chisel bits,taper cross bits and taper button bits,it’s suitable for H22mm and H25mm.Taperd rock drill rod use.It have three taper degree:7degree,11degree,12degree.It is widely used for hard rock(F=8~18)drilling use.

Product Detail:

Procedure:

Application:

Customer Notice:

Question one:How to use drill bit more correct?

Answer:

1.Choosing the right drill bit is the premise to obtain maximum drilling speed.

2.When open the hole,it should be stable and must lower rock drill working parameters,prevent single button under over load then cause the button broken or lost.

3.According to the drilling condition,timely adjust the rock drill paramaters.

4.After a period of time working,the button and the body of drill bit should be examined.

5.When drilling,for improving drill bit drilling speed,you should ensure that there is adequate hydraulic or air pressure for preventing drill bit from excessive wearing and jamming which caused by bad powder exhaust.

Question two:What if i buy early abnormal scrapped button bit?

Answer:please timely inform our company by written notice.Notify the main contents include:

1.the model number of rock drill,the actual working paramaters(impact pressure,impact powder,impact frequency,driving power and rotation speed)

2.Drill rig model number

3.drill rod tail,drill rod and connection sleeve manufacture,specification and usage condition.

4.The rock type and hardness,the construction site(open air,underground,tunneling,production,the anchor hole or others),drilling type(down,horizontal,fan form or others),drilling depth.

5.The failure condition of drill bit:A.failure type(button broken,button lost,wear off),lifespan,quantity;B.the button wearing condition(residual height);C.planned service life;D.normal average service life;E.other manufacturers product average service life.

6.We will check whether it is factory duty or end users unproper operation.If that is factory duty,we will fully refund abnormal scrapped buttons bits cost.

Different Types for Different Countries:

The information you may like to know before order:
1.Method of payment:T/T(Telegraphic Transfer)or Western Union or L/C at sight.
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 order before shipping out.

Fair and Visit:

About us:

our factory has been specialized in manufacturing drilling tools and spare since 2000.
we have advanced technology and equipment. brbrfour technician has more that 10 years professtional working experience.
rock drilling tools are exported throughout the word.main market:Norway.Turkey. Canada.Australia. Brazil.Iron. India.UAE
We have professional technicians,advanced machine,responsible sales team