China High Air Pressure Tungsten Carbide DTH Hammer Button Drill Bits 90mm, Find details about China DTH Bits, DTH Hammer Bits from High Air Pressure Tungsten Carbide DTH Hammer Button Drill Bits 90mm
1-2 inch Middle air pressure DTH bits | |||||
Model | Bit Dia.(mm) | NO. X Button Dia. | NO.Air Holes(PCS) | Weight(KG) | |
Gauge | Front | ||||
MDHD25-76 | 76 | 6*Φ13 | 5*Φ10 | 2 | 3.6 |
MDHD25-82 | 82 | 6*Φ14 | 4*Φ11 | 2 | 4.0 |
MDHD25-90 | 90 | 8*Φ12 | 5*Φ12 | 2 | 4.2 |
3 inch hight air pressure DTH bits | |||||
MDDHD32-85 | 85 | 6*Φ13 | 4*Φ12 | 2 | 4.2 |
MDDHD32-90 | 90 | 6*Φ14 | 4*Φ12 | 2 | 4.5 |
MDDHD32-95 | 95 | 6*Φ14 | 4*Φ13 | 2 | 4.7 |
MDDHD32-100 | 100 | 6*Φ14 | 5*Φ12 | 2 | 5.0 |
MDDHD32-105 | 105 | 6*Φ14 | 5*Φ13 | 2 | 5.3 |
MDDHD34-85 | 85 | 6*Φ13 | 4*Φ12 | 2 | 4.2 |
MDDHD34-90 | 90 | 6*Φ14 | 4*Φ12 | 2 | 4.5 |
MDDHD34-95 | 95 | 6*Φ14 | 4*Φ13 | 2 | 4.8 |
MDDHD34-100 | 100 | 6*Φ14 | 5*Φ12 | 2 | 5.0 |
MDDHD34-105 | 105 | 6*Φ14 | 5*Φ13 | 2 | 5.5 |
MDDHD44-105 | 105 | 6*Φ14 | 5*Φ13 | 2 | 8.5 |
MDDHD44-110 | 110 | 7*Φ14 | 6*Φ13 | 2 | 8.8 |
MDDHD44-115 | 115 | 7*Φ14 | 6*Φ13 | 2 | 9.0 |
MDDHD44-120 | 120 | 8*Φ14 | 7*Φ13 | 2 | 9.8 |
MDDHD44-127 | 127 | 8*Φ14 | 7*Φ13 | 2 | 11.0 |
5 inch high air pressure DTH bits | |||||
MDDHD54-135 | 135 | 7*Φ18 | 6*Φ14 | 2 | 15.0 |
MDDHD54-140 | 140 | 7*Φ18 | 7*Φ14 | 2 | 16.0 |
MDDHD54-146 | 146 | 7*Φ18 | 7*Φ14 | 2 | 17.0 |
MDDHD54-152 | 152 | 8*Φ18 | 8*Φ14 | 2 | 17.5 |
MDDHD54-165 | 165 | 8*Φ18 | 8*Φ16 | 2 | 18.5 |
6 inch high air pressure DTH bits | |||||
MDDHD64-152 | 152 | 8*Φ18 | 7*Φ16 | 2 | 22.0 |
MDDHD64-165 | 165 | 8*Φ18 | 8*Φ16 | 2 | 26.0 |
MDDHD64-171 | 171 | 8*Φ18 | 8*Φ16 | 2 | 27.0 |
MDDHD64-190 | 190 | 9*Φ18 | 9*Φ16 | 3 | 28.5 |
MDDHD64-203 | 203 | 9*Φ18 | 11*Φ16 | 3 | 29.5 |
8 inch high air pressure DTH bits | |||||
MDDHD84-203 | 203 | 10*Φ18 | 10*Φ16 | 2 | 40.0 |
MDDHD84-216 | 216 | 10*Φ18 | 12*Φ16 | 2 | 49.0 |
MDDHD84-241 | 241 | 12*Φ18 | 18*Φ16 | 2 | 64.0 |
MDDHD84-254 | 254 | 12*Φ18 | 21*Φ16 | 3 | 71.0 |
MDDHD84-305 | 305 | 12*Φ18 | 29*Φ16 | 4 | 95.0 |
10 inch high air pressure DTH bits | |||||
MDDHD10-254 | 254 | 12*Φ18 | 20*Φ16 | 3 | 108.0 |
MDDHD10-305 | 305 | 12*Φ18 | 36*Φ16 | 4 | 125.0 |
MDDHD10-311 | 311 | 12*Φ18 | 36*Φ16 | 4 | 130.0 |
MDDHD10-318 | 318 | 12*Φ18 | 38*Φ16 | 4 | 142.0 |
MDDHD10-330 | 330 | 16*Φ18 | 42*Φ16 | 4 | 155.0 |
12 inch high air pressure DTH bits | |||||
MDHD1120-305 | 305 | 12*Φ18 | 36*Φ16 | 4 | 152.0 |
MDHD1120-311 | 311 | 12*Φ18 | 36*Φ16 | 4 | 157.0 |
MDHD1120-330 | 330 | 16*Φ18 | 42*Φ16 | 4 | 165.0 |
MDHD1120-356 | 356 | 16*Φ19 | 48*Φ16 | 4 | 178.0 |
MDHD1120-381 | 381 | 16*Φ19 | 48*Φ18 | 4 | 198.0 |
Big size bits using in Waterwells, Oil, Gas and Construction Drilling. | |||||
MDHD275-311 | 311 | 15*Φ18 | 36*Φ16 | 3 | 205.0 |
MDHD275-334 | 334 | 18*Φ19 | 44*Φ18 | 3 | 216.0 |
MDHD275-356 | 356 | 18*Φ19 | 48*Φ18 | 3 | 225.0 |
MDHD275-368 | 368 | 20*Φ19 | 50*Φ18 | 4 | 230.0 |
MDHD275-381 | 381 | 20*Φ19 | 54*Φ19 | 4 | 236.0 |
MDHD330-381 | 381 | 20*Φ19 | 54*Φ18 | 4 | 297.0 |
MDHD330-406 | 406 | 20*Φ19 | 58*Φ18 | 4 | 311.0 |
MDHD330-431 | 431 | 20*Φ19 | 64*Φ18 | 4 | 324.0 |
MDHD330-445 | 445 | 24*Φ20 | 72*Φ18 | 4 | 334.0 |
MDHD330-470 | 470 | 24*Φ20 | 80*Φ18 | 4 | 347.0 |
MDHD475-495 | 495 | 24*Φ20 | 88*Φ18 | 4 | 710.0 |
MDHD475-525 | 525 | 24*Φ20 | 100*Φ18 | 4 | 760.0 |
MDHD475-580 | 580 | 24*Φ20 | 116*Φ18 | 4 | 855.0 |
MDHD475-660 | 660 | 28*Φ20 | 140*Φ19 | 4 | 950.0 |
MDHD475-680 | 680 | 28*Φ20 | 144*Φ19 | 4 | 968.0 |
MDHD525-711 | 711 | 28*Φ20 | 154*Φ19 | 4 | 1455.0 |
MDHD525-762 | 762 | 32*Φ20 | 172*Φ19 | 4 | 1539.0 |
MDHD525-780 | 780 | 32*Φ20 | 180*Φ19 | 4 | 1564.0 |
MDHD525-825 | 825 | 36*Φ20 | 216*Φ19 | 4 | 1625.0 |
MDHD525-998 | 998 | 40*Φ20 | 348*Φ19 | 4 | 1980.0 |