Tapered Rock Drilling Button bits
Comparing with taper chisel and cross bits, taper button bits have higher technology,much longer primary drilling time and higher drilling efficiency.According to the tungsten carbide insert,button bits can be divided into typers of hemispherical,conical and parabolic button,etc.
Button bits with hemispherical button is for high bearing capacity and abrasive resistance while conical button and parabolic button are for drilling speed and low abrasive resistance.
Made with high quality of raw material through special heat treatment,especially,tungsten carbide of tapered button bits are from Boart long year,widely applied in Hand Hold (Short Hole) drilling system for dimensional stone quarrying.



Shipment & Package
Inner: Plastic bag / carton box
Outer: Plywood case / Pallet



The information you may like to know before order:
a. Methods of Payment:
 T/T (Telegraphic Transfer)
 L/C at sight
b. Handling time for an order
  Based on order quantity, normally it takes 25 days for production.
  Only 2 or 3 days if stock .
c.Shipment
Courier express like DHL/UPS/TNT/FEDEX  
By air or by sea
Services:
a. There will be strict inspection and testing before shipment
b. Our sales team will response for your question within 24 hours
c. Technical Support will be available in any time
d. Free replacement will provide once the failure confirmed caused by our product quality
Our company holds abundant technologies, advanced detection means, as long as producing top-ranking equipments, and we passed the approvement of Quality System Certificate ISO9001:2000 and CE certificate in 2013. Our product are widely sold to the principal market such as America,Canada,Spain,France,Chile and Argentina.We are committed in providing you with our premium tools, technical expertise, and exceptional sevise. Feel free to contact us with any questions. We look forward to hearing from you.