top-hammer rock drill rods extension rod
Straightness and longer service life
Today’s rock drills generate virtually unlimited impact force, which requires controlling that force and, most importantly, ensuring that the impact force is delivered into the rock as efficiently, accurately and economically as possible. With this in mind, D Miningwell is constantly working on research and development to ensure our products are constantly improving.
Extension Rod(MM Rod)
Thread Sizes: R22, R25, R28, R32, R35, R38, T38, T45, T51
Rod Diameters: Round 32mm, Round 39mm, Round 46mm, Round 52mm, Hex 22mm, Hex 25mm, Hex 28mm, Hex 32mm, Hex 35mm
Effective Lengths: 600mm to 6,400mm
Male/Female (M/F) rod, Speed rod
Thread Sizes: R32, T38, T45, T51
Rod Diameters: Round 32mm, Round 39mm, Round 46mm, Round 52mm
Effective Lengths: 915mm to 6,100mm
Drifting & Tunneling Rods
Thread Sizes: R22, R25, R28, R32, R38, T38
Rod Diameters: Round 32mm, Round 39mm, Hex 25mm, Hex 28mm, Hex 32mm, Hex 35mm
Effective Lengths: 2,100mm to 6,400mm
Technical Parameters | |||||
Product Name | Rod size | Specification | Length | Rod type | |
R25 Rod | Round25 | R25-R25-R25 | 2430 | M/M | Extension rod |
Round28 | R25-R28-R25 | 1350 | M/M | Extension rod | |
R32 Rod | Hex25 | R32-H25-R25 | 2900 | M/M | Extension rod |
Hex28 | R32-H28-R28 | 2435 | M/M | Extension rod | |
R32-H28-R28 | 2435 | M/F | Speed rod | ||
Hex32 | R32-H32-R25 | 2742 | M/M | Extension rod | |
R32-H32-R25 | 2742 | M/F | Speed rod | ||
R32 | R32-R32-R32 | 1525 | M/M | Extension rod | |
R38 Rod | Hex32 | R38-H32-R32 | 3100 | M/M | Extension rod |
Hex35 | R38-H35-R32 | 1350 | F/F | Extension rod | |
R38-H35-R32 | 2435 | M/M | Extension rod | ||
R38-H35-R32 | 2435 | M/F | Speed rod | ||
R38-H35-R32 | 4270 | M/M | Extension rod | ||
R38-H35-R32 | 4270 | M/F | Speed rod | ||
R38-H35-R32 | 4880 | M/M | Extension rod | ||
R38-H35-R32 | 4880 | M/F | Speed rod | ||
T38 Rod | Hex32 | T38-H32-R32 | 4305 | M/M | Extension rod |
T38-H32-R32 | 4305 | F/M | Speed rod | ||
R39 | T38-R39-T38 | 1220 | M/F | Speed rod | |
T38-R39-T38 | 1525 | M/F | Speed rod | ||
T38-R39-T38 | 3050 | M/M | Extension rod | ||
T38-R39-T38 | 3050 | M/F | Speed rod | ||
T38-R39-T38 | 3660 | M/F | Speed rod | ||
T38-R39-T38 | 4260 | M/F | Speed rod | ||
Hex35 | T38-H35-R32 | 4260 | M/F | Speed rod | |
T38-H35-R32 | 4260 | M/M | Extension rod | ||
T38-H35-R32 | 3700 | M/M | Extension rod | ||
T38-H35-R32 | 3700 | M/F | Speed rod | ||
T38-H35-R32 | 4305 | M/M | Extension rod | ||
T38-H35-R32 | 4305 | M/F | Speed rod | ||
T45 Rod | Round46 | T45-R46-T45 | 1525 | M/F | Speed rod |
T45-R46-T45 | 3050 | M/M | Extension rod | ||
T45-R46-T45 | 3660 | M/F | Speed rod | ||
T45-R46-T45 | 4270 | F/M | Speed rod | ||
T51 Rod | Round52 | T51-R52-T51 | 3660 | M/M | Extension rod |
T51-R52-T51 | 3660 | M/F | Speed rod | ||
T51-R52-T51 | 4270 | M/F | Speed rod |