Lugar de origem
Fujian, China
Comprimento de trabalho (mm)
400
Material of Working Part
Diamond, Cobalt bond
Performance
Long Service Life core drill bits
Blade Welding Technology
Laser or Silver welding for drill bits
Segments' Manufacturing art
Sintered,cold-pressed,hot-pressed
Feature
Sharpness,smooth drilling
Tread cap
1 1/4-7;5/8-11,M14