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china
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T/T
联系人 lili
No .15 Danfeng Western Road, Changzhou, Jiangsu
Coupling is indispensable parts and components as drilling tools accessories. It plays a role of connection under axial tension and compression, bending and torsion, contacts, friction stress corrosion effect. Therefore, a reasonable choice of steel for coupling, the optimization of the geometric structure and manufacturing process is very important. Coupling makes use of its threat connecting two or more branch rod on the same axis and transfers drill impact function, to achieve the purpose of drilling holes, and also plays the role of stress wave propagation vector and rod.
| CATEGORY | NAME | DIMENSIONS | WEIGHT | MATERIAL | PACKAGE |
| R*5 | Coupling | Length **5 mm or 6 1/9 inch Diameter *4 mm or 1 3/4 inch Thread R*2 | 1.0 kg | Steel Alloy | Wooden Box |
| Coupling | Length **0 mm or 6 inch Diameter *5 mm or 1 3/8 inch Thread R*5 | 0.7 kg | Steel Alloy | Wooden Box | |
| Coupling | Length **0 mm or 6 2/7 inch Diameter *8 mm or 1 1/2 inch Thread R*5 | 1.3 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 6 inch Diameter *5 mm or 1 7/9 inch Thread R**-R*2 | 1.1 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 6 2/7 inch Diameter *5 mm or 1 7/9 inch Thread R**-R*2 | 1.2 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 6 2/7 inch Diameter *6 mm or 2 1/5 inch Thread R**-R*8 | 2.5 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 6 2/3 inch Diameter *6 mm or 2 1/5 inch Thread R**-R*8 | 3.2 kg | Steel Alloy | Wooden Box | |
| R*8 | Coupling | Length **0 mm or 6 inch Diameter *4 mm or 1 3/4 inch Thread R*2 | 1.0 kg | Steel Alloy | Wooden Box |
| Coupling | Length **0 mm or 6 inch Diameter *0 mm or 1 4/7 inch Thread R*8 | 0.9 kg | Steel Alloy | Wooden Box | |
| Coupling | Length **0 mm or 6 2/3 inch Diameter *5 mm or 2 1/6 inch Thread R*8 | 2.0 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 6 2/7 inch Diameter *5 mm or 1 7/9 inch Thread R**-R*2 | 1.2 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 6 2/7 inch Diameter *6 mm or 2 1/5 inch Thread R**-R*2 | 2.5 kg | Steel Alloy | Wooden Box | |
| R*2 | Coupling | Length **0 mm or 6 2/3 inch Diameter *5 mm or 2 1/6 inch Thread R*8 | 1.8 kg | Steel Alloy | Wooden Box |
| Coupling | Length **0 mm or 7 1/2 inch Diameter *5 mm or 2 1/6 inch Thread R*8 | 2.0 kg | Steel Alloy | Wooden Box | |
| Coupling | Length **0 mm or 6 inch Diameter *5 mm or 1 7/9 inch Thread R**-R*2 | 1.1 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 6 2/7 inch Diameter *5 mm or 1 7/9 inch Thread R**-R*2 | 1.2 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 6 2/7 inch Diameter *5 mm or 1 7/9 inch Thread R**-R*2 | 1.2 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 6 2/7 inch Diameter *5 mm or 2 1/6 inch Thread R**-R*8 | 1.8 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 6 2/3 inch Diameter *5 mm or 2 1/6 inch Thread R**-R*8 | 2.0 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 7 inch Diameter *5 mm or 2 1/6 inch Thread R**-R*8 | 2.2 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 8 1/4 inch Diameter *5 mm or 2 1/6 inch Thread R**-R*8 | 2.8 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 6 2/3 inch Diameter *6 mm or 2 1/5 inch Thread R**-R*8 | 2.1 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 7 inch Diameter *6 mm or 2 1/5 inch Thread R**-R*8 | 2.2 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 8 1/4 inch Diameter *6 mm or 2 1/5 inch Thread R**-R*8 | 2.8 kg | Steel Alloy | Wooden Box | |
| Crossover Coupling | Length **0 mm or 7 1/2 inch Diameter *3 mm or 2 1/2 inch Thread R**-R*5 | 3.2 kg | Steel Alloy | Wooden Box | |
| Coupling | Length **0 mm or 6 inch Diameter *4 mm or 1 3/4 inch Thread R*2 | 1.0 kg | Steel Alloy | Wooden Box | |
| Coupling | Length **0 mm or 6 2/7 inch Diameter *4 mm or 1 3/4 inch Thread R*2 | 1.1 kg | Steel Alloy | Wooden Box | |
| R*8 | Coupling | Length **0 mm or 6 2/3 inch Diameter *5 mm or 2 1/6 inch Thread R*8 | 1.9 kg | Steel Alloy | Wooden Box |
| Coupling | Length **0 mm or 7 1/2 inch Diameter *5 mm or 2 1/6 inch Thread R*8 | 2.1 kg | Steel Alloy | Wooden Box | |
| T*8 | Coupling | Length **0 mm or 7 1/2 inch Diameter *5 mm or 2 1/6 inch Thread T*8 | 2.1 kg | Steel Alloy | Wooden Box |
| T*5 | Coupling | Length **0 mm or 8 1/4 inch Diameter *3 mm or 2 1/2 inch Thread T*5 | 3.0 kg | Steel Alloy | Wooden Box |
| Coupling | Length **0 mm or 8 1/4 inch Diameter *3 mm or 2 1/2 inch Thread T*6 | 3.3 kg | Steel Alloy | Wooden Box | |
| T*1 | Coupling | Length **5 mm or 8 6/7 inch Diameter *1 mm or 2 4/5 inch Thread T*1 | 4.6 kg | Steel Alloy | Wooden Box |
| Coupling | Length **5 mm or 8 6/7 inch Diameter *6 mm or 3 inch Thread T*1 | 4.8 kg | Steel Alloy | Wooden Box | |
| Coupling | Length **5 mm or 9 1/4 inch Diameter *2 mm or 2 5/6 inch Thread T*1 | 4.7 kg | Steel Alloy | Wooden Box | |
| Coupling | Length **5 mm or 9 1/4 inch Diameter *7 mm or 3 inch Thread T*1 | 4.9 kg | Steel Alloy | Wooden Box |
