105mm 115mm 127mm 152mm 165mm Diameter High Air Pressure DTH Drill Bits with High Quality ...

• Certification：CE, ISO 9001:2000
• Standard：GB, GOST, API
• Surface Treatment：Spray-Paint
• Manufacturing Process：Forging
• Material：Carbon Steel
• Applications：Coal, Ore, Water Well, Foundation

=== Base Info ===

• Model NO.：DHD, COP, SD, QL, Mission, Mach, Numa
• Delivery Time：in Stock or 15 Days
• Color：Optional
• Advantage：High Performance
• Transport Package：Plywood Case or Cartons
• Trademark：Hanlinsky
• Origin：China
• HS Code：82071990
• Production Capacity：6000 Pieces , Month

=== Description ===
HM1120 / DHD1120 / SD12 / NUMA120 / NUMA12531112 × Φ1836 × Φ16416833016 × Φ1842 × Φ16418035616 × Φ1948 × Φ16419138116 × Φ1948 × Φ184200

Factory Overview