• Model NO.：DHD 3.5 110mm
• Diameter：110mm
• Transport Package：Wood Case
• Specification：HIGH QUALITY
• Trademark：PRODRILL
• Origin：China
• HS Code：82071990
• Production Capacity：5000pec,Months

Hammer DTH1" bit2" bit3" bit4" bit5" bit6" bit8" bit10" bit12" bit15" bit20" bit24" bitDrill Blasting by DTH rig for down the hole in mm57 64 70 76 (3")80 82 9092 95 100 105  110105 110 115  120 125  130130 135 138 140 146 150 152(6") 156152 154 156 159 165 171 178 185 190 203(8")200 203 216 219 222 225 229(9") 235 240 254(10") 270 279(11")254  270 279  295  305(12")  311 315 330 (13")305 311 315 330 343  350  356 368 375 381 (15")381  391 413  435 438  445  451  457(18") 464 483(19") 508(20")483  508  560(22")  578 610(24")  660(26")610 660 724 737 ( 29")   762  (30")   864   (34 ") 914 (36")SpecificationBR1BR2 DHD25DHD35 IR3.5 COP34 BR3 QL30 COP32 M30DHD340A     COP44 SD4 M40 SD4DHD55 DHD350R COP54 M50 SD5 QL50DHD65 M60 SD6 QL60DHD85, DHD380, DHD84, M80, SD80, QL80SD10 NUMA100DHD120 NUMA120 NUMA125DHD330DHD450DHD525
 
 Bit FaceFlatFlatFlatFlatFlatCancave CanvexCancave CanvexCancave CanvexCancave CanvexCancave CanvexCancave CanvexCancave CanvexCarbide buttonDome/hemispherical, Paraboli/semi-ballistic,  BallisticGauge buttons
 
 8*12, 7*118*148*16/18
 
 
 
 
 
 
 Front buttons
 
 
 7*12/13/148/10*14/15/16
 
 
 
 
 
 
 Buttons Qty810 to 131515 to 1816 to 1816 to 2418 to 4122 to 4141 to 5545 to 8177to 9375 to 132Air pressure0.7-1.75Mpa0.7-1.75Mpa1-1.5Mpa1-2.5Mpa1-2.5Mpa1-2.5Mpa1-2.5Mpa1-2.5Mpa1-2.5Mpa1-2.5Mpa1-2.5Mpa1-2.5MpaSize typeNormalNormalNormalNormalNormalNormalNormalBig sizeBig sizeBig sizeBig sizeBig sizeSkirt steel23CrNi3Mo,                20Cr2Ni4Production processFully carburized () of special heat treament with stress relief ( )  + full CNC ()for accurate machincal processing for perfect arc of skirt body to assure same consumption of skirt body with YK05 tungsten carbide inserts, which is by cold-inserted techology , no broken and drop in time of drillingAdvantage
 
 
 
 
 
 
 
 
 
 
 
 R. O.PfastfastfastfastfastfastfastfastfastfastfastfastHole straightnessPerfectPerfectPerfectPerfectPerfectPerfectPerfectPerfectPerfectPerfectPerfectPerfectHole clean qualityGoodGoodGoodGoodGoodGoodGoodGoodGoodGoodGoodGoodProductivity actionHighHighHighHighHighHighHighHighHighHighHighHighDrilling lifeLongerLongerLongerLongerLongerLongerLongerLongerLongerLongerLongerLongerInterchangableOkOkOkOkOkOkOkOkOkOkOk
 Air consumptionLessLessLessLessLessLessLessLessLessLessLess
 Resisitance wearHighHighHighHighHighHighHighHighHighHighHigh
 UsageQuarryQuarryQuarryblastingblastingblastingblastingwater wells oil gaswater wells oil gaswater wells oil gaswater wells oil gaswater wells oil gasSite
 
 
 
 
 
 
 
 
 
 
 
 Rock hardness
 
 
 14-16HRC
 
 
 
 
 
 
 
 Air pressure
 
 
 20KG
 
 
 
 
 
 
 
 Depth meter
 
 
 1.5 M
 
 
 
 
 
 
 
 drilling speed
 
 
 4 minute