Description

Tapered button bits made with high quality of raw material through special heat treatment ,especially, tungsten carbide tips  are from Boart long year, widely applied in Hand Hold ( short-hole) drilling system for dimensional stone quarrying. At now, we are exporting the huge qty of Q*- **- 7 ****0 , Q9 **5 **2 **- *1 for Indian quarry and Norway, Finland quarry,  Q7 **3 is very popular in Indian Black Galaxy drilling monthly about *********0 pcs consumed in Ongole Black Galaxy quarries area, India.

Diameter of bits from *0mm to *0mm with 4 ,6,7,*1,*2 degree, number of buttons is 4, 5, 6, 7, 8 , 9,  7 buttons is very popular for hold held (short holes ) and blast drilling system.

Also, we can supply brazed button bit taper type at competitive rate for granite and marble etc quarries.

Our hand-held system is comprised of premium alloy tapered hexagonal drill steels ranging from 0.5 m up to 7.9 m in length, and complimented by a complete range of reamers, blade and button bits,  blade bits including cross bit, and chisel bit with taper degree.