產品描述
| Product Name: | Coupling sleeve, thread couplings, adapter sleeve |
| Description: | Coupling sleeve with various type of thread,widely used for extension rod and drill bits connection. |
| Material: | Alloy steel |
| MOQ: | No MOQ required for testing and trial order |
| Type | full-bridge,semi-bridge,same diameter etc. |
| Thread type | R25, R28, R32, R38, T38, T45, T51, R28 - R32, R28 - R38, R32 - T38, R32 - R38, R25 - R32, R32 - T45 |
| Diameter | 33mm - 76mm |
| Length | 140mm - 250mm |
| Color | Color could be paint as your request |
