Sydien 4Pcs 3mm Rigid Flange Shaft Coupling Motor Guide Shaft Coupler Connector Color:3mm Widely Application Cotter pin and

Widely Application Cotter pin and hair pin can hold for bolts and pins

Bottom of T-Slot Nut Is staked to prevent the stud from protrusion

Good for home and improvement

Easy to Use

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Sydien 4Pcs 3mm Rigid Flange Shaft Coupling Motor Guide Shaft Coupler Connector Color:3mm Widely Application Cotter pin andSydien 4Pcs 3mm Rigid Flange Shaft Coupling Motor Guide Shaft Coupler Connector Product Features Product Name: Flange Shaft Coupling; Size: 3mm; Package Content: 4Pcs Flange Shaft Coupling & 1Pc Mini Hex Wrench & Some Fastening Screws. Inner Diameter: 3mm 0. 12''; Fastening Holes Size: M3; Fix Holes Size: M3. Cylinder Outer Diameter: 10mm 0. 39''; Cylinder Height: 10mm 0. 39''; Base Diameter: 22mm 0. 87''; Base Height: 2mm 0. 08''. HIGH QUALITY: Made