Hex32 Rock Drilling Tools R38/R28 T38/R28 R38/R32 T38/R32 Thread Drifter Drill Rods for Drifting and Tunnelling
product detail
Basic Info.
Packaging & Delivery
Product Description
Extension rods are made by hollow drill steels; there are two shapes of extension rods, round type and hexagonal type. This hollow hole are usually named flushing hole, used for transmitting water or air during drilling. And the threads can be used for connecting couplings, shanks, couplings or bits.
Usually for extension rods, there are R22, R25, R28, R32, R38, T38, T45 ,T51,ST58, T60 threads, and different lengths of rods are available from 600mm to 6400mm usually.
(1)Steel grade: Male-Male Rod, MF Rod
(2) Thread: R22, R25, R28, R32, R38, T38, T45, T51,
(3) Rod size : hex.22mm, hex.25mm,hex.28mm, hex.32mm, hex.35mm, dia.39mm, dia.46mm. dia.52mm
(3)Length: 0.4m-6m
(4)Package: in wooden case or in bundles.
(5)Productivity: 20000MT / month
HEX EXTENSION ROD
| R22 - R22 - HEX 22 7/8" ROPE THREAD (22mm) X 7/8" HEX (22mm) | ||||
| ROD CROSS SECTION | LENGTH (L) | THREAD | ||
| mm | FT | Lifit | Right | |
| HEX 22 | 610 | 2' | R22 | R22 |
| HEX 22 | 915 | 3' | R22 | R22 |
| HEX 22 | 1220 | 4' | R22 | R22 |
| HEX 22 | 1525 | 5' | R22 | R22 |
| HEX 22 | 1830 | 6' | R22 | R22 |
| R25 - R25 - HEX 25 1" ROPE THREAD (25mm) X 1" HEX (25mm) | ||||
| ROD CROSS SECTION | LENGTH (L) | THREAD | ||
| mm | FT | Lifit | Right | |
| HEX 25 | 610 | 2' | R25 | R25 |
| HEX 25 | 915 | 3' | R25 | R25 |
| HEX 25 | 1000 | 3' 3" | R25 | R25 |
| HEX 25 | 1220 | 4' | R25 | R25 |
| HEX 25 | 1500 | 4' 11" | R25 | R25 |
| HEX 25 | 1525 | 5' | R25 | R25 |
| HEX 25 | 1830 | 6' | R25 | R25 |
| HEX 25 | 2100 | 6' 10-1/2" | R25 | R25 |
| HEX 25 | 2435 | 8' | R25 | R25 |
| HEX 25 | 3050 | 10' | R25 | R25 |
| HEX 25 | 3660 | 12' | R25 | R25 |
| HEX 25 | 4305 | 14' 1-1/2" | R25 | R25 |
| R28 - R28 - HEX 28 1-1/8" ROPE THREAD (28mm) X 1-1/8" HEX (28mm) | ||||
| ROD CROSS SECTION | LENGTH (L) | THREAD | ||
| mm | FT | Lifit | Right | |
| HEX 28 | 610 | 2' | R28 | R28 |
| HEX 28 | 915 | 3' | R28 | R28 |
| HEX 28 | 1220 | 4' | R28 | R28 |
| HEX 28 | 1525 | 5' | R28 | R28 |
| HEX 28 | 1830 | 6' | R28 | R28 |
| HEX 28 | 2435 | 8' | R28 | R28 |
| HEX 28 | 3050 | 10' | R28 | R28 |
| HEX 28 | 3660 | 12' | R28 | R28 |
| HEX 28 | ||||