4" 5" 6" 8" Rock Drilling Tools DTH hammer bit shank SD, DHD
,MISSION, QL and COP for sale
1 Product description of Rock Drilling Tools
DTH hammer and bits are made of high-quality alloy steel with
advanced heat treatment to assure the good drilling performance and
long service life . They are widely used in Minning , Quarry ,
water well drilling and so on .
All the products are manufactured as per the international standard
and well compatible with the brand of Atlas Copco , Ingersoll-Rand
, etc .
Element "SIX" tungsten carbide button tips , below are the general features.
Made of special and excellent raw material( Element SIX), have more
stable properties , increase the yield of complete drilling and
mining bit substantially ;
Extra grain size available , have higher impact resistance and
lower hot crack and breakage ;
Ground and tumbled, ensuring uniform of dimension and surface
smoothness, easier to mount ;
HIP sintered , increase the strength substantially therefore extend
service time ;
Material : Timken alloy steel for skirt
Skirt turned by CNC machine for more accurate coupling with DTH
hammer
Advanced technology---We produce our DTH bits with hot-pressing technology which is
the best advantage technology of producing DTH bits up to date .
2 Product datd of Rock Drilling Tools
| | | |
| DHD3.5/COP32/COP34/QL30/M30/BR3/ BR33/XL3/Mach303 | API 2 3/8" Reg | 90-110mm |
| DHD340/COP44/QL40/SD4/M40/
Mach44/TD40(COP44 gold) | API 2 3/8" Reg | 110-135mm |
| DHD350/COP54/QL50/SD5/M50 | API 2 3/8" Reg
API 3 1/2" Reg | 135-155mm |
| DHD360/COP64/QL60/SD6/M60/TD60 (COP64 gold) | API 3 1/2" Reg | 155-190mm |
| DHD380/COP84/QL80/SD8/M80 | API 3 1/2" Reg | 195-254mm |
| SD10/NUMA100 | API 3 1/2" Reg | 254-311mm |
| DHD1120/NUMA120/NUMA125 | API 6 5/8" Reg | 305-445mm |
