Place of Origin: Hunan China (Mainland)                      Brand Name: Great Wall 
Model Number: Taper Chisel Bit                                 Material: Alloy Steel 
Processing type: Forging                                          Machine type: Drilling tool
MOQ:   No MOQ                                                      Use: Ore mining,well drilling,grantie,quarrying,ect 
Certification: ISO9001:2008
Production capacity 5000 set/sets per Month Packaging Detail: Standard export carton,or as per request Port  Chang Sha

To ensure the normal service life, the taper drill bits need to be matched well with taper drill rods, the taper degree must be the same between taper drill bits and taper dill rods.The penetration depth of taper drill rods which into the taper hole of taper dill bits should be over 25mm, and the head of the taper drill rods should not touch the bottom of the taper of taper drill bits, otherwise the taper drill bits would be lost easily during operation.

The Diameter of Chisel rock bit from 32mm to 60mm with taper degree 6,7,11,12.

Features:
1. High drilling efficiency.
2. Long life service,less failure.
3. Less Oil comsuption.

About Us:
1. Our factory has been specialized in manufacturing & exporting drilling tools and spare parts over 10 years.
2. We have advanced technology and equipment.
3. Our technician has more than 10 year's professional working experience.
4. Our products are exported throughout the world. Main market:Russia,USA,South Africa,Canada, Australia, Brazil, Uruguay, etc.

Questions you may be interested in:
1.Payment:  T/T,Western Union,Paypal
2.Delivery time:  Based on your order qty, generally it takes 15-20 days for
production.only need 2 or 3 days if it's available in our stock.
3.Shipment:
Trail order: we suggest by DHL,express
Bulk order: we suggest by sea.
4. Quality control:  We have our experienced QC Dep.
They will perform stick inspection and tesing for every order before shipping out.
5.  About aftersale services
Our sales team and technical Dep. Will be available at any time.(Holidy excluded)