China 34mm 11 Degree Taper Drill Button Bit for Mining

Column tooth bit Rock drill bit Plum blossom bit column tooth bit Product features:

1. The column tooth bit has high mining efficiency: using exclusive proprietary technology, super hard alloy button teeth, hardness (HRA) ≥92.5, strength ≥2800N.

2. The life of the trouser body of the column tooth bit is increased by 50%: the trouser body is heat-treated and precision forged, the trouser body is super strong and does not break.

3. High-speed drilling and digging, all invincible.