Pack Of Six 6Mm To 6Mm Bore Rigid Shaft Couplers In Blue Anodized Aluminum With A Tight Grip M4 Set Screw Setup And Easy Install Wrench For Precision Motor Alignment Tasks That Are Seriously Legit And Built Different

Blue Aluminum 6mm Rigid Shaft Couplers Set of Six
✔️ 25mm long 14mm diameter with M4 set screws and wrench included

These rigid shaft couplers link motor shafts to driven shafts in 3D printers CNC routers and similar automation gear where exact alignment matters.

✅ Made of solid aluminum alloy for strong torque hold and zero backlash
✅ Comes with 24 M4 set screws plus one L wrench for quick install
✅ Fits 6mm shafts on both ends with 25mm length and 14mm outer size
✅ Blue anodized finish resists rust in regular workshop use

💡 What is a rigid shaft coupler used for in motor setups A rigid shaft coupler keeps two shafts locked together so power moves straight through without any play or flex. - handy in CNC builds to tie stepper motors right to ball screws - helps keep alignment tight during high speed runs - common pick for laser engravers and small robot arms too

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