Welcome to Changsha Golden Drill Machinery Co., Ltd.!
 55091178@qq.com   400-057-0731
Biconical twin-screw bit
Site: Home» Biconical twin-screw bit

Biconical twin-screw bit

  • Number:
  • Brand:
  • Characteristics:
    1. Pilot core setting of pick; 2. Biconical twin-screw; 3. Drilling teeth are all kinds of special picks. 4. Suitable strata: rock strata less than 100 MPA; slippery mudstone, old clay and pebble strata;
  • Product details