KSQ Technologies (Beijing) Co. Ltd
KSQ Technologies (Beijing) Co., Ltd.
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33mm-76mm Rock Drill Coupling Sleeves For Extension Drill Rod Thread Drill Pipe
Describtion
Threaded coupling sleeve are made of high quality of alloy steels and CNC machining guarantee our reliable and consistent quality control of coupling sleeves.Both semi-bridge and full-bridge coupling sleeves are manufactured by us in different sizes as below:Thread sizes: R22, R25, R28, R32, R35, R38, T38, T45, T51;
Color: Green, Black or Based on Customer requirements
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
Type: Thread coupling sleeves
Applications
• Underground mining
• Quarry benching operations
• Water well drilling
Competitive Advantage
Main hammer components manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
Specification
| Thread | Diameter | Length | Weight | |||
| A | B | mm | inch | mm | inch | Kg |
| R25 | R32 | 45 | 13/4 | 170 | 657/64 | 1.10 |
| R28 | R32 | 45 | 13/4 | 170 | 657/64 | 0.96 |
| R32 | R38 | 55 | 25/32 | 180 | 71/8 | 1.86 |
| R32 | T38 | 55 | 25/32 | 180 | 71/8 | 2.10 |
| R38 | T38 | 55 | 25/32 | 190 | 733/64 | 1.86 |
| R25 | 35 | 119/50 | 150 | 59/10 | 0.72 | |
| R28 | 40 | 129/50 | 155 | 61/10 | 0.95 | |
| R32 | 45 | 13/4 | 170 | 657/64 | 1.32 | |
| R38 | 55 | 25/32 | 170 | 657/64 | 1.71 | |
| T38 | 55 | 25/32 | 190 | 733/64 | 1.96 | |
| T45 | 63 | 215/32 | 210 | 817/64 | 3.12 | |
| T45 | 66 | 219/32 | 210 | 817/64 | 3.51 | |
| T51 | 72 | 27/8 | 235 | 91/4 | 5.22 | |
| T51 | 76 | 3 | 235 | 91/4 | 5.75 | |
