Flexible Coupling Shaft 20mm To 25mm Bore, 52mm Length, 44mm Outer Diameter, 6mm Or 8mm Slot, Motor Coupler Joint For Servo Stepper Encoder Screw Drive CNC Machines, Pro Grade Heavy Duty Steel Shaft Connector

Pro Grade Flexible Coupling Shaft for Precise CNC Drive
✔️ Bore 20-25 mm, 52 mm long, 44 mm OD, slots 6 or 8 mm

The coupling shaft is a heavy-duty 45# steel connector designed to link servo motors, stepper motors, encoders, screw drives, and machine platforms in CNC setups and automation projects.
Dimensions (mm and in):

Dimension	mm	in
Bore	20-25	0.79-0.98
Length	52	2.05
Outer Diameter	44	1.73
Slot Width	6 or 8	0.24 or 0.31
Thread Size	M6x1 / M8x1.25	,

✅ 45# steel construction for strength and durability
✅ Bore range 20-25 mm to fit common servo/stepper shafts
✅ Outside diameter 44 mm with 6 mm or 8 mm slot options
✅ Thread size M6x1 or M8x1.25 for secure mounting
✅ Flexible joint reduces motor-drive stress and misalignment
✅ Manual size tolerance: ±0.1 in

💡 What is a handy question about flexible shaft couplings in CNC systems? This practical query helps buyers understand how these joints work in real setups. - Handy for connecting servo or stepper motors to drives - Reduces vibration and stress on bearings and gears - Works with encoders, screw drives, and machine platforms