1.Pillar PDC Bits Using PDC as the main cutting components.
2.With impact resistance pdc hard rock drill bit for penetration the degassing hole, drain hole, and grouting hole of coal mine.
3.Pillar Non Coring PDC Bits drilling efficiency is slightly lower than concave bits, but the abrasion performance is stronger.
4.Wear resistance pdc tooth.
5.Long service life with minimize cost.
Shaanxi Zuanlong Drilling Machine Co.,Ltd
Contact:May Liu Email:email@example.com
Tel:+86-15291688126 Skype:May Liu
Whatsapp:+86 15291688126 We Chat:L11066245