We, SUNGWON Heavy Machinery, have been manufacturing and supplying
rock, soil drilling equipment and tools of DTH Hammers, Hammer Bits and
Auger Machines in Korea.

SUNGWON Product
Joint
Type-A
Type-B
Type-C
Type-D
JOINT STANDARD SPECIFICATION
| Type |
|---|
| A |
| B |
| C |
| D |
| Model | Male | Female | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| øa | b | c | c' | d | øA | B | C | C' | D | |
| 40H | 150 | 203 | 120 | - | 100 | 150 | 293 | 120 | - | 101 |
| 60H | 190 | 203 | 120 | - | 120 | 190 | 316 | 120 | - | 121 |
| 80H | 227 | 240 | 100 | - | 154 | 227 | 360 | 100 | - | 155 |
| 120H | 280 | 240 | 100 | - | 189 | 280 | 380 | 100 | - | 180 |
| 80M | 216 | 340 | 150 | 240 | 139 | 216 | 435 | 150 | 240 | 140 |
| 120M | 267 | 340 | 140 | - | 179 | 267 | 410 | 140 | - | 180 |
| 120HL | 280 | 400 | 150 | 240 | 189 | 280 | 550 | 150 | 240 | 190 |
| T-4 | 263 | 270 | 130 | - | 174 | 263 | 370 | 130 | - | 175 |
| 120HS | 280 | 325 | 135 | - | 189 | 280 | 420 | 135 | - | 190 |
| 240H | 310 | 399 | 160 | 250 | 209 | 310 | 460 | 160 | 250 | 210 |
| 350H | 420 | 399 | 160 | 250 | 250 | 420 | 500 | 160 | 250 | 251 |