Secoroc Rock Drilling Tools Product catalogue DTH equipment
Codes for DTH bits Example:,0820 =165 mm DHD 360 Head design Examples: 0 = DTH bit L = Long Head R = Long Retrieval Head Bit type Examples: 5 = Button bit Bit diameter in mm 165 = 165 mm Head features Examples: 0= gradeDTH bit B= Back reamingproduct inserts G= Gauge protection 50=insert T= Fish thread Type of 1= Drill bit 2