Tapered button bits

 

 

Taper Degree:6°,7°,11°,12°
Diameter:32-42
Buttons:4,5,6,7,8
Flushing Hole:1,2
Skirt:Normal,  Length

Features:
 

  • Made from steel and tungsten carbide as same grade as internationally well-known brand
  • Apply “hot-insertion” processing procedure to insert the buttons as same as internationally well-known brand
  • Recommended specification according to different rock formation improves design and drilling speed
  • CNC processing procedure ensures the manufacturing precision and quality consistency
  • Durability from the military grade requirements of heat-treatment 

 

 

Common type: