Down The Hole HAMMER
"Pre-Assembly View"
HAMMER Specification
| HAMMER SIZE | 2" | 3" | 4" | 5" | 6" | |||||||
| HAMMER MODEL | K060D | K080D | K090E | K090D | K090S | K090M | K110D | K110S | K140D | K140S | K140X | |
| Bit Shank | KUKJE | K060 | ||||||||||
| Ingersoll | DHD2.5 | DHD3.5 | DHD340A | DHD340A | DHD350R | DHD360 | ||||||
| Sandvik | SD4 | SD5 | SD6 | XL6 | ||||||||
| Numa | ||||||||||||
| Halco | MACH44 | |||||||||||
| Recommended Hole DIA. | mm Inch | 2½"~3¼" (65~82) | 3¼"~4¼" (82~108) | 4⅛" ~ 5" (105~127) | 5⅛"~5¾" (130~146) | 6" ~ 7½" (152~190) | ||||||
| Hammer DIA. | mm | 58 | 79 | 94 | 94 | 94 | 94 | 116 | 116 | 140 | 140 | 140 |
| Cylinder Bore | mm | 44.4 | 61 | 75 | 75 | 75 | 75 | 91 | 91 | 115 | 115 | 115 |
| Piston Stroke | mm | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Piston Weight | kg | 3 | 4.5 | 6 | 6.5 | 6 | 6 | 9.4 | 9.4 | 23 | 23 | 23 |
| Length (Less bit) | mm | 790 | 839 | 875 | 925 | 926 | 910 | 1017 | 1017 | 1264 | 1280 | 1290 |
| Weight (Less bit) | kg | 14 | 28 | 34 | 33 | 35 | 33.5 | 60 | 62 | 104 | 104 | 105 |
| Connection Type | 50mm JIS Rod Pin | API 2⅜ | API 2⅜ Reg.Pin | API 3½ Reg.Pin | API 3½ Reg.Pin | |||||||
| Reg.Pin | ||||||||||||
| Air Flow Needed SCFM | 150PSI | 135 | 173 | 230 | 240 | 240 | 230 | 290 | 400 | 420 | 420 | |
| (m3/min) | (10.5kg/cm2) | -3.8 | -4.9 | -6.5 | -6.8 | -6.8 | -6.5 | -8.2 | -11.3 | -11.9 | -11.9 | |
| 200PSI | 198 | 242 | 300 | 315 | 315 | 300 | 410 | 545 | 580 | 580 | ||
| (14.0kg/cm2) | -5.6 | -6.8 | -8.5 | -8.9 | -8.9 | -8.5 | -11.6 | -15.4 | -16.4 | -16.4 | ||
| 250PSI | 270 | 325 | 380 | 400 | 400 | 380 | 510 | 700 | 740 | 740 | ||
| (17.6kg/cm2) | -7.6 | -9.2 | -10.8 | -11.3 | -11.3 | -10.8 | -14.4 | -19.8 | -20.9 | -20.9 | ||
| 300PSI | 350 | 410 | 470 | 495 | 495 | 470 | 620 | 860 | 910 | 910 | ||
| (21.0kg/cm2) | -9.9 | -11.6 | -13.3 | -14 | -14 | -13.3 | -17.6 | -24.4 | -25.8 | -25.8 | ||
| 350PSI | 530 | 550 | 550 | 530 | 750 | 1025 | 1060 | 1060 | ||||
| (24.1kg/cm2) | -15 | -15.5 | -15.5 | -15 | -21.2 | -29 | -30 | -30 | ||||
| HAMMER SIZE | 8" | 10" | 12" | ||||||||||
| HAMMER MODEL | K170S | K180D | K220 | K220S | KA12 | K270 | K270R | K270D | K270S | K270S-D | K270N | K270SR | |
| Bit Shank | KUKJE | K220 | KA12 | K270 | K270R | ||||||||
| Ingersoll- Rand | DHD380 | DHD112 | |||||||||||
| Sandvik | SD8 | SD10 | SD12 | SD-12D | SD12 | ||||||||
| Numa | N120 | ||||||||||||
| Halco | |||||||||||||
| Recommende d Hole DIA. | In.(mm) | 7½"~10" (190~253) | 7¾"~10⅝" (195~270) | 9⅞"~11⅞" (250~300) | 9⅞"~12" (250~305) | 11⅞"~15" (300~380) | 11⅞" ~ 17½" (300~445) | ||||||
| Hammer DIA. | mm | 168 | 182 | 220 | 226 | 245 | 275 | 285 | 275 | 285x275 | |||
| Cylinder Bore | mm | 132 | 148 | 165 | 216 | ||||||||
| Piston Stroke | mm | 100 | 100 | 105 | 105 | ||||||||
| Piston Weight | kg | 31 | 38 | 46 | 125 | ||||||||
| Length (Less bit) | mm | 1309 | 1345 | 1525 | 1480 | 1430 | 1818 | 1662 | 1750 | 1729 | 1729 | 1750 | 1728 |
| Weight (Less bit) | kg | 170 | 200 | 350 | 360 | 325 | 645 | 715 | 620 | 618 | 618 | 618 | 637 |
| Connection Type | API 4½ Reg.Pin | API 5½ | API 6⅝ | HEX’ JOINT | API 6⅝ | HEX’ JOINT | API 6⅝ Reg.Pin | ||||||
| Reg.Pin | Reg.Pin | Reg.Pin | |||||||||||
| Air Flow Needed SCFM | 100PSI | - | - | - | - | - | - | - | - | - | |||
| (m3/min) | (7.0kg/cm2) | ||||||||||||
| 150PSI | 510 | 610 | 690 | 880 | 880 | 880 | 880 | 880 | 880 | 880 | |||
| (10.5kg/cm2) | -14.4 | -17.3 | -19.5 | -24.9 | -24.9 | -24.9 | -24.9 | -24.9 | -24.9 | -24.9 | |||
| 200PSI | 690 | -830 | 980 | 1250 | 1250 | 1250 | 1250 | 1250 | 1250 | 1250 | |||
| (14.0kg/cm2) | -19.5 | 23.5 | -27.8 | -35.4 | -35.4 | -35.4 | -35.4 | -35.4 | -35.4 | -35.4 | |||
| 250PSI | 890 | 1070 | 1290 | 1700 | 1700 | 1700 | 1700 | 1700 | 1700 | 1700 | |||
| (17.6kg/cm2) | -25.2 | -30.3 | -36.5 | -48.1 | -48.1 | -48.1 | -48.1 | -48.1 | -48.1 | -48.1 | |||
| 300PSI | 1090 | 1315 | 1610 | - | - | - | - | - | - | ||||
| (21.0kg/cm2) | -30.9 | -37.2 | -45.6 | ||||||||||
| 350PSI | - | - | - | - | - | - | - | - | - | ||||
| (24.1kg/cm2) | |||||||||||||
| HAMMER SIZE | 14" | 15" | 16" | |||||||||
| HAMMER MODEL | K320 | K320R | K320KR | K320N | K320NR | K320NS | K350 | K370 | K370S | K370R | K370KR | |
| Bit Shank | KUKJE | K320 | K320R | K320 | K350 | K370 | K370 | K370 | ||||
| Ingersoll- Rand | ||||||||||||
| Sandvik | SD-15 | |||||||||||
| Numa | N120 | N120S | N120S | |||||||||
| Halco | ||||||||||||
| Recommended Hole DIA. | In.(mm) | 14" ~20“ (355~508) | 18"~24“ (460~610) | 17½"~22" (445~560) | 17½"~24“ (445~610) | |||||||
| Hammer DIA. | mm | 320 | 325 | 370X325 | 325 | 355 | 376 | |||||
| Cylinder Bore | mm | 240 | 260 | 280 | ||||||||
| Piston Stroke | mm | 115 | 125 | 125 | ||||||||
| Piston Weight | kg | 155 | 151 | 155 | 180 | 202 | 220 | 205 | 202 | |||
| Length (Less bit) | mm | 1820 | 1765 | 1820 | 2056 | 1986 | 1885 | 1895 | 1904 | 2000 | 1895 | |
| Weight (Less bit) | kg | 905 | 1037 | 932 | 1008 | 1023 | 1100 | 1248 | 1250 | 1380 | 1235 | |
| Connection Type | API 7⅝ | HEX’ JOINT | API 7⅝ Reg.Pin | API 6⅝ Reg.Pin | API 7⅝ | API 8⅝ Reg.Pin | HEX’ JOINT | API 8⅝ | ||||
| Reg.Pin | Reg.Pin | Reg.Pin | ||||||||||
| Air Flow Needed SCFM | 100PSI | - | - | - | - | - | - | - | 1280(36.2) | |||
| (m3/min) | (7.0kg/cm2) | |||||||||||
| 150PSI | 1150 | 1150 | 1150 | 1150 | 1150 | 1150 | 1650 | 1890(53.5) | ||||
| (10.5kg/cm2) | -32.6 | -32.6 | -32.6 | -32.6 | -32.6 | -32.6 | -46.7 | |||||
| 200PSI | 1650 | 1650 | 1650 | 1650 | 1650 | 1650 | 2090 | 2730(77.3) | ||||
| (14.0kg/cm2) | -46.7 | -46.7 | -46.7 | -46.7 | -46.7 | -46.7 | -59.2 | |||||
| 250PSI | 2110 | 2110 | 2110 | 2110 | 2110 | 2110 | 2680 | |||||
| (17.6kg/cm2) | -59.8 | -59.8 | -59.8 | -59.8 | -59.8 | -59.8 | -75.9 | |||||
| 300PSI | - | - | - | - | - | - | - | |||||
| (21.0kg/cm2) | ||||||||||||
| HAMMER SIZE | 18" | 24" | 28" | 35" | 40" | ||||||
| HAMMER MODEL | K410N | K410S | K410SR | K520K | K520N | K520NR | K520NSU | K640 | K760 | K900 | |
| Bit Shank | KUKJE | K520 | K520SU | K640 | K760 | K900 | |||||
| Ingersoll- Rand | |||||||||||
| Sandvik | SD18 | SD18 | |||||||||
| Numa | N180 | N240 | N240 | ||||||||
| Halco | |||||||||||
| Recommended Hole DIA. | In.(mm) | 18⅛" ~ 25⅝" (460~650) | 24" ~ 33½" (610~850) | 30"~39⅜" (760~1000) | 28" ~38" (700~960) | 34" ~ 50" (860~1270) | 40" ~ 59" (1010~1500) | ||||
| Hammer DIA. | mm | 410 | 435x410 | 520 | 533x520 | 670x520 | 640 | 760 | 900 | ||
| Cylinder Bore | mm | 310 | 380 | 470 | 540 | 650 | |||||
| Piston Stroke | mm | 150 | 150 | 150 | 150 | 150 | |||||
| Piston Weight | kg | 275 | 263 | 376 | 520 | 910 | 1300 | ||||
| Length (Less bit) | mm | 1993 | 2040 | 2090 | 1971 | 1975 | 2025 | 2321 | 2200 | 2214 | 2200 |
| Weight (Less bit) | kg | 1574 | 1560 | 2071 | 2440 | 2388 | 2451 | 3016 | 3800 | 5700 | 6950 |
| Connection Type | API 8⅝ | API 8⅝ Reg.Pin | API 8⅝ | HEX’ JOINT | HEX’ JOINT | ||||||
| Reg.Pin & Box | Reg.Pin | ||||||||||
| Air Flow Needed SCFM(m3/min) | 100PSI | 1430 | 1760(49.8) | 2300 | 300 | 3640 | |||||
| (7.0kg/cm2) | -40.5 | -65 | -93.5 | -103 | |||||||
| 150PSI | 2120 | 2540(71.9) | 3400 | 4750 | 5330 | ||||||
| (10.5kg/cm2) | -60 | -96.2 | -134.6 | -151 | |||||||
| 200PSI | 3000 | 3580(101.4) | 4800 | 6700 | 7490 | ||||||
| (14.0kg/cm2) | -85 | -135.8 | -189.8 | -212 | |||||||
| 250PSI | - | ||||||||||
| (17.6kg/cm2) | |||||||||||
| 300PSI | |||||||||||
| (21.0kg/cm2) | |||||||||||
12” Down The Hole HAMMER
HAMMER Sectional view
| No | PART NAME | NO | PART NAME |
| 1 | TOP SUB | 12 | PISTON |
| 2 | WASHER | 13 | CASE |
| 3 | O-RING | 14 | FOOT VALVE |
| 4 | CHECK VALVE | 15 | BUSHING |
| 5 | SPACER | 16 | BUSH STOP RING |
| 6 | MAKE UP RING | 17 | BIT RETAINER RING |
| 7 | COIL SPRING | 18 | O-RING |
| 8 | O-RING | 19 | DRIVE PIN |
| 9 | RIGID VALVE | 20 | DRIVE SUB |
| 10 | INNER SLEEVE | 21 | BUTTON BIT |
| 11 | STOP RING |
