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start 2018 Promotion Special Offer Mr52 Open Abec-3 ( 10... US $6.99 Cnc Router Parts Linear Rail Hiwin 15mm Linear Gui... US $27.00 2018 Limited 50pcs Din985 M2 M2.5 M3 M4 M5 M6 M8 3... US $2.49 Linear Rail Hiwin 10pcs Kh1428pp 14mm Linear Ball ... US $14.53 2018 Limited Hot Sale Bearing 32922 2007922e Taper... US $17.30 2018 Hot Sale Free Shipping 10pcs 688-2rs 8*16*5 M... US $5.00 2018 Real Hiwin Cnc Router Parts For 9mm Linear Gu... US $39.01 2018 New Hot Sale Bearing 32904 2007904e Tapered R... US $2.84 2018 Promotion Special Offer One-way Clutch Ckz-a3... US $600.00 2018 Special Offer Time-limited Overrunning Clutch... US $3000.00 finish Specification:Shaft Coupler Flexible Coupling Stepper Motor Connector for CNC Motor D18 L25 Shaft length : please desire the shaft length that you desire once you position order. Length: 25mm Diameter: 18mm Material: Aluminium Quantity: 50pcs Shaft coupler Often used to connect servo motor, stepper motor, encoder, screw driving, mechanical device platform, etc.Tips:For D18 L25 coupler we have below shaft sizes, 3*3, 3*4, 3*5, 3*6, 3*6.35, 3*7,3*8, 4*4, 4*5, 4*6, 4*7, 4*6.35, 4*8, 5*5, 5*6, 5*6.35, 5*8, 6*6, 6*7, 6*6.35, 6*8, 6.35*6.35,6.35*8, 7*7, 7*8, 8*8,5*10, 6*10, 6.35*10, 8*10, 10*10. For D20 L25 coupler we have under shaft sizes, 3*4, 3*5, 3*6, 3*6.35, 3*8, 3.18*4, 4*4, 4*5, 4*6, 4*6.35, 4*7, 4*8, 5*5, 5*6, 5*6.35, 5*8, 6*6, 6*6.35, 6*8, 6.35*6.35, 6.35*8, 6*7, 7*7, 8*8. For D25 L30 coupler we have beneath shaft sizes, 5*10, 6*10, 6.35*10, 8*10, 10*10, 10*12, 5*12, 5*12, 6.35*12, 8*12, 12*12, 12*12.7, 12.7*12.7, 6.35*12.7, 8*12.7. we even have different type couplers, '