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Best Choice tooloflife 
ToolOfLife 4/5/6.35/8/10/12/14mm Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector ✔Flange coupling is made of 45# steel, heat and electroplated process make it sturdiness and insulation.uxcell 
uxcell 8mm to 8mm Bore Rigid Coupling Set Screw L22XD14 Stainless Steel,Shaft Coupler Connector,Motor Accessories,2pcs Connection Diameter: 8mm to 8mm, Total Length: 22mm /0.87 inch, Outside Diameter : 14mm/ 0.55 inchANCIRS 
2 Pack Flange Coupling Connector, Rigid Guide Steel Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors 【Durable Material】 Ancirs coupling connector is made of fine plating steel, heat and electroplated process make it sturdSluffs 
5Pcs 6mm Flange Shaft Coupling Flange Coupling Connector Rigid Guide Model Coupler Accessory Shaft Axis Fittings for DIY Durable Material: Coupling connector is made of steel. Heating and electroplating process make it firm and insulated, anBest Value BQLZR 
BQLZR Blue 6mm to 6mm Aluminum Shaft Coupling Rigid Coupling Coupler Motor Connector with Spanner Pack of 2 Scope of application: widely used in blowers, 3D printers, DIY robots, CNC machine tools, stepper motors, etc.uxcell 
uxcell 3mm to 6mm Bore Rigid Coupling Set Screw L20XD12 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Red,2pc Connection Diameter: 3mm to 6mm, Total Length: 20mm /0.78 inch, Outside Diameter : 12mm/ 0.47 inchCHANCS 
CHANCS Motor Shaft Rigid Brass Sleeve Coupling 5mm to 8mm Bore Rigid Coupling Set Screw Motor Accessories for DIY Parts Motor Shaft Rigid Brass Sleeve Coupling offer high torque, stiffness, low inertia and excellent sensitivity. Hexagonal Cshamjina 4x 5mm Metal Rigid Flange Coupling Brand new and high qualitySorandy 5 Pack 2mm Flange Coupling Connector, Rigid Guide Steel Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Mo Material】2mm flange coupling connector is made of 45 steel, which is strong, wear resistant and has a long service life.Generic 2PCS 10mm Inner Dia H13*D16 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector Silver Tone for DIY Parts Inner Diameter: 10mm/0.39 inch, Total Height: 13mm/0.51 inch, Cylinder Outer Diameter: 16mm/0.63 inch, Cylinder Height:uxcell uxcell 5mm to 5mm Bore Rigid Coupling Set Screw L20XD12 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Red Connection Diameter: 5mm to 5mm, Total Length: 20mm /0.78 inch, Outside Diameter : 12mm/ 0.47 inchCHANCS CHACNS Power Tool Parts Outer Diameter 10 mm Inner Diameter 5 mm Flange Coupling Connector Rigid Metal with High Hardnes * Flange coupling is a special coupling that can attach a shaft to a flat surface and easily install other accessories oTreehobby 6Pack ZYCST Aluminium Alloy Shaft Coupling Rigid Stepper Motor Wheel Coupler Joint Connector for DIY Car Boat Airplane 3 Suitable for connecting two axis with different diameters, can also be connected with a motor axis, or connecting shaftsVGOL VGOL 2PCS 5mm to 8mm Shaft Couplers Aluminum Alloy Casing Rigid Coupling Compatible with Ender 3 V2 Ender 3 PRO Ender 3 Package includes 2pcs 5mm to 8mm shaft couplers.uxcell uxcell 3mm to 8mm Bore Rigid Coupling Set Screw L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Dark Bl Connection Bore Diameter: 3mm to 8mm; Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch; with M4 Screwsuxcell uxcell 8mm Inner Dia H13xD10 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts Black 2pcs Material: Iron Plating;Color: Black;Inner Diameter: 8mm/0.31 inch;Total Height: 13mm/0.51 inch;Cylinder Outer Diameter:uxcell uxcell 2mm to 5mm Bore Rigid Coupling Set Screw L20XD10 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Light B Connection Bore Diameter: 2mm to 5mm; Total Length: 20mm /0.79 inch, Outside Diameter : 10mm/ 0.39 inch; with M3 ScrewsHOMOCONO HOMOCONO Flange Coupling Universal Sprocket Hub Adapter Rigid Flange Shaft Coupling Shaft Coupler Universal Sprocket Ada Rigid flange coupling--the secure connection method of this coupling ensures stable and transmission, significantly reduANKROYU 2pcs M4 Rigid Flange Coupling Motor Shaft Coupler Connector for Machinery Connecting Shafts, Stainless Steel Material,12 [Superior Durability from Premium Iron Material]:These motor shaft couplers are constructed using premium iron that is euxcell uxcell 10mm Inner Dia H13*D16 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector Silver Tone 2 PCS for DIY Inner Diameter: 10mm/0.39 inch, Total Height: 13mm/0.51 inch, Cylinder Outer Diameter: 16mm/0.63 inch, Cylinder Height:CENPEK CENPEK 4Pcs 8mm Flange Coupling Connector Rigid Guide Model Coupler Accessory Shaft Axis Fittings for DIY RC Model Motor Coupling connector is made of fine plating steel, heat and electroplated process make it sturdiness and insulation, striuxcell uxcell Shaft Coupling, 1/2" Bore 1" OD 1-1/2" Length Black Oxide Plated Steel Rigid Coupling for 3D Printers Motor Wheel Size: 1/2 inch bore rigid set screw coupling, with 1 inch outside diameter, 1-1/2 inch length. (2 set screws)uxcell uxcell Rigid Screw Coupling 12mm to 12mm Shaft Coupler Connector L22mm x D18mm Steel Joint Connector Rigid Coupling Set This durable connector, made from high-strength, heat-resistant steel, keeps a reliable connection between different shauxcell uxcell 8mm Inner Dia H13*D16 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector 2PCS for DIY Parts Inner Diameter: 8mm/0.31 inch, Total Height: 13mm/0.51 inch, Cylinder Outer Diameter: 16mm/0.63 inch, Cylinder Height: 1uxcell uxcell 10mm to 10mm Bore Rigid Coupling Set Screw L22XD16 45# Steel,Shaft Coupler Connector,Motor Accessories Connection Diameter: 10mm to 10mm, Total Length: 22mm /0.87 inch, Outside Diameter : 16mm/ 0.63 inchuxcell uxcell 12mm Inner Dia H13*D18 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector 2PCS for DIY Parts Inner Diameter: 12mm/0.47 inch, Total Height: 13mm/0.51 inch, Cylinder Outer Diameter: 18mm/0.71 inch, Cylinder Height:uxcell uxcell 4mm Inner Dia H12xD10 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts 4Pcs Inner Diameter: 4mm/0.15 inch;Total Height: 12mm/0.47 inch;Cylinder Outer Diameter: 10mm/0.39 inch;Cylinder Height: 10mmuxcell uxcell 2 Pcs Shaft Coupling, 5/16" Bore 5/8" OD 1" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Size: 5/16 inch bore rigid set screw coupling, with 5/8 inch outside diameter, 1 inch length, and with a hex wrench anduxcell uxcell 10mm Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts Country of Manufacture: CHINA; Material: Metaluxcell uxcell 5mm to 8mm Bore Rigid Coupling Set Screw L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue Connection Diameter: 5mm to 8mm, Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inchuxcell uxcell 8mm Inner Dia H13xD16 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts 4Pcs Inner Diameter: 8mm/0.31 inch;Total Height: 13mm/0.51 inch;Cylinder Outer Diameter: 16mm/0.63 inch;Cylinder Height: 10mmuxcell uxcell 5mm to 10mm Bore Rigid Coupling Set Screw L25XD20 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories Connection Bore Diameter: 5mm to 10mm; Total Length: 25mm/0.98 inch, Outside Diameter: 20mm/0.78 inch; with M4 Screwscizihuu Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector,2PCS Inner Diameter 3mm Please select the size you need.uxcell uxcell 6mm to 8mm Bore Rigid Coupling Set Screw L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue Connection Diameter: 6mm to 8mm, Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inchVgoohobby 5Pack Vgoohobby Flange Shaft Coupling Connector,Rigid Guide Shaft Support Coupler Shaft Axis Joint for DIY RC Model Moto Compatible with RC model shaft connection, perfect accessories for stepper motor, RC model motor, DIY model making etc.uxcell uxcell 5mm to 5mm Bore Rigid Coupling Set Screw L22XD14 Stainless Steel,Shaft Coupler Connector,Motor Accessories Connection Diameter: 5mm to 5mm, Total Length: 22mm /0.87 inch, Outside Diameter : 14mm/ 0.55 inchuxcell uxcell 12mm Inner Dia H13*D18 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts Inner Diameter: 12mm/0.47 inch, Total Height: 13mm/0.51 inch, Cylinder Outer Diameter: 18mm/0.71 inch, Cylinder Height:uxcell uxcell Rigid Screw Coupling 5mm to 5mm Shaft Coupler Connector L22mm x D14mm Steel Joint Connector Set for 3D Printers D This durable connector, made from high-strength, heat-resistant steel, keeps a reliable connection between different shaVILLFUL VILLFUL Flange Coupling Universal Sprocket Hub Adapter Universal Sprocket Adapter Rigid Flange Shaft Coupling Metal Coup flange coupling--reliable connection method ensures stable transmission, reducing the risk of mechanical failure duringHealvian Healvian 4pcs Shaft Couplings Magnetic Stirring Rod Flexible Shaft Couplings 5mm to 8mm Aluminum Alloy Joint Connector R Shaft Coupling for Printer Use: This flexible shaft coupling is ideal for connecting servo motors, stepper motors, encoduxcell uxcell 5mm Inner Dia H12*D10 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector 2 PCS for DIY Parts Inner Diameter: 5mm/0.19 inch, Total Height: 12mm/0.47 inch, Cylinder Outer Diameter: 10mm/0.39 inch, Cylinder Height: 1uxcell uxcell 8mm to 8mm Bore Rigid Coupling Set Screw L25XD16 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Light B Connection Bore Diameter: 8mm to 8mm; Total Length: 25mm/0.98 inch, Outside Diameter : 14mm/0.55 inch; with M4 Screwsuxcell uxcell 4mm Inner Dia H13*D10 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts Inner Diameter: 4mm/0.16 inch, Total Height: 13mm/0.51 inch, Cylinder Outer Diameter: 10mm/0.39 inch, Cylinder Height: 1CHANCS CHANCS Motor Shaft Rigid Sleeve Coupling 4mm to 5mm 100MM Long Steel Shaft Diameter 5mm Bore Rigid Coupling Set Screw fo Motor Shaft Rigid Brass Sleeve Coupling offer high torque, stiffness, low inertia and excellent sensitivity ,you can useBE-TOOL Flange Coupling, BE-TOOL 5 Set Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts (14mm) Material: 45# steelEMSea EMSea 5Pcs Brass Shaft Coupling Sleeve Coupler Motor Transmission Connectors with Grub Screws 2-3mm 2-4mm 4-4mm 4-6mm 6- 5 Pcs brass joint motor shaft coupling adapters, ideal accessories for RC Model motor, such as airplane boat model.Sluffs 5Pcs Bore Rigid Coupling Set 5mm to 8mm Shaft Coupler Connector Stainless Steel Coupler Rigid Couplings for 3D Printers Steel Material: Made of premium steel material, this bore coupling is strong and sturdy, corrosion resistant and possessuxcell uxcell 6mm Inner Dia H12xD10 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts 4Pcs Inner Diameter: 6mm/0.23 inch;Total Height: 12mm/0.47 inch;Cylinder Outer Diameter: 10mm/0.39 inch;Cylinder Height: 10mmTopHomer 4PCS 4mm to 5mm Bore Rigid Coupling Set Screw, Shaft Coupler Connector for Airplane Boat Motor Accessories Electric Car PREMIUM COPPER MATERIAL---The shaft coupling is made of high-quality copper material, which has high compressive strengtuxcell uxcell 8mm to 8mm Bore Rigid Coupling Set Screw L22XD14 45# Steel,Shaft Coupler Connector,Motor Accessories Connection Diameter: 8mm to 8mm, Total Length: 22mm /0.87 inch, Outside Diameter : 14mm/ 0.55 inchuxcell uxcell 3mm Inner Dia H13*D10 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector Black 2 PCS for DIY Parts Inner Diameter: 3mm/0.12 inch, Total Height: 13mm/0.51 inch, Cylinder Outer Diameter: 10mm/0.39 inch, Cylinder Height: 1uxcell uxcell 6mm to 6.35mm Bore Rigid Coupling Set Screw L25XD18 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories Connection Bore Diameter: 6mm to 6.35mm; Total Length: 25mm/0.98 inch, Outside Diameter : 18mm/0.7 inch; with M4 ScrewsSENRISE SENRISE Flange Coupling, 5 Set Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts, 14mm Material: 45# steeluxcell uxcell 8mm to 10mm Bore Rigid Coupling Set Screw L25XD16 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue Connection Diameter: 8mm to 10mm, Total Length: 25mm /0.98 inch, Outside Diameter : 16mm/ 0.63 inchTopHomer Flange Coupling Connector, 2 Pcs 3mm Rigid Guide Model Coupler Accessory with Fastening Screw and Wrench for DIY RC Mode [Material]: The flange coupling connector is made of high quality aluminum alloy, sturdy and stable, wear resistant anduxcell uxcell 7mm Inner Dia H13*D16 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts Inner Diameter: 7mm/0.28 inch, Total Height: 13mm/0.51 inch, Cylinder Outer Diameter: 16mm/0.63 inch, Cylinder Height: 1uxcell uxcell 6mm to 8mm Bore Rigid Coupling Set Screw L22XD14 Stainless Steel,Shaft Coupler Connector,Motor Accessories Connection Diameter: 6mm to 8mm, Total Length: 22mm /0.87 inch, Outside Diameter : 14mm/ 0.55 inchTopHomer 4/5/6.35/8/10/12/14mm Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector ✅Flange coupling is made of 45# steel, heat and electroplated process make it sturdiness and insulation.Baxnore Clamping Rigid Coupling, 25mm Bore x 40mm Length Aluminum Alloy Shaft Connector, Accurate Coupling for CNC Engraving Mac Material Construction: Crafted from aerospace-grade aluminum alloy with enhanced surfaces treatment; This coupling maintDusehu Bore Rigid Coupling Set Screw - 2 Flexible Shaft Coupling Printer Accessories - Flexible Aluminum Alloy Shaft Coupling E ✧Optimized for Your Printing Needs: With its variety of specifications, our Printer Shaft Coupling is perfect for fittinSG Store SG Store 4Pcs Flange Coupling Connector 5mm with Screws and M3 Hex Wrench for DIY Handmade Model RC Model Motors Hole Di Inner Diameter:5mm, Cylinder Outer Diameter:10mm, Cylinder Height:10mm, Base Height:2mm,Total Height:12mm, Mounting Holeuxcell uxcell Shaft Coupling, 5/16" Bore 5/8" OD 1" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Print Size: 5/16 inch bore rigid set screw coupling, with 5/8 inch outside diameter, 1 inch length, and with a hex wrench anduxcell uxcell Shaft Coupling, 5/16" Bore 5/8" OD 1" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Print Size: 5/16 inch bore rigid set screw coupling, with 5/8 inch outside diameter, 1 inch length, and with a hex wrench anduxcell uxcell Shaft Coupling, 3/8" Bore 3/4" OD 1" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Printe Size: 3/8 inch bore rigid set screw coupling, with 3/4 inch outside diameter, 1 inch length, and with a hex wrench and 2uxcell uxcell Shaft Coupling, 3/8" Bore 3/4" OD 1" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Printe Size: 3/8 inch bore rigid set screw coupling, with 3/4 inch outside diameter, 1 inch length, and with a hex wrench and 4sourcing map sourcing map 3mm to 8mm Bore Rigid Coupling Set Screw L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,D Connection Bore Diameter: 3mm to 8mm; Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch; with M4 Screwsuxcell uxcell 2 Pcs Shaft Coupling, 5/16" Bore 5/8" OD 1" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Size: 5/16 inch bore rigid set screw coupling, with 5/8" inch outside diameter, 1 inch length, and with a hex wrench anduxcell uxcell 5mm to 8mm Bore Rigid Coupling Set Screw L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Dark Re Connection Bore Diameter: 5mm to 8mm; Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch; with M4 ScrewsANKROYU ANKROYU Flange Coupling Connector 4mm Steel Rigid Shaft Coupler Accessory for RC Model Motors DIY Mechanical Transmissio [PREMIUM 45 STEEL CONSTRUCTION] Our flange coupling connectors are manufactured from high-grade 45 steel, featuring a spuxcell uxcell Shaft Coupling, 1/2" Bore 1" OD 1-1/2" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Prin Size: 1/2 inch bore rigid set screw coupling, with 1 inch outside diameter, 1-1/2 inch length, and with a hex wrench andGeneric Daseeme 3pcs Rigid Shaft Coupler 5-8mm Bore L23xD18 for CNC Machine & 3D Printer Stepper Motor Rigid shaft coupling, compatible with 3D printer, CNC machine, stepper motor, etc.uxcell uxcell 2 Pcs Shaft Coupling, 1/2" Bore 1" OD 1-1/2" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3 Size: 1/2 inch bore rigid set screw coupling, with 1 inch outside diameter, 1-1/2 inch length, and with a hex wrench andRuimou Aluminum Flexible Coupling D25xL30,8mm to 10mm Spider Coupler Plum Shape for Servo Stepper Motors, CNC Machine, 3D Print 1.OVERALL SIZE: D25mm x L30mm /0.98inch x 1.18inch; bore size: 8mm to 10mm /0.31inch to 0.39inch.uxcell uxcell 2 Pcs Shaft Coupling, 1/2" Bore 1" OD 1-1/2" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3 Size: 1/2 inch bore rigid set screw coupling, with 1 inch outside diameter, 1-1/2 inch length, and with a hex wrench anduxcell uxcell 3.17mm to 6mm Bore Rigid Coupling Set Screw L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Dark Connection Bore Diameter: 3.17mm to 6mm; Total Length: 25mm/0.98 inch, Outside Diameter : 14mm/0.55 inch; with M4 Screwsuxcell uxcell 2 Pcs Shaft Coupling, 3/8" Bore 3/4" OD 1" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Size: 3/8 inch bore rigid set screw coupling, with 3/4 inch outside diameter, 1 inch length, and with a hex wrench and 4uxcell uxcell Shaft Coupling, 5/8" Bore 1-1/4" OD 2" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Prin Size: 5/8 inch bore rigid set screw coupling, with 1-1/4 inch outside diameter, 2 inch length, and with a hex wrench anduxcell uxcell Shaft Coupling, 5/8" Bore 1-1/4" OD 2" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Prin Size: 5/8 inch bore rigid set screw coupling, with 1-1/4 inch outside diameter, 2 inch length, and with a hex wrench anduxcell uxcell 4mm Inner Dia H12*D10 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts Inner Diameter: 4mm/0.16 inch, Total Height: 12mm/0.47 inch, Cylinder Outer Diameter: 10mm/0.39 inch, Cylinder Height: 1ANKROYU ANKROYU Bore Coupling Steel Cylinder Rigid Coupling 8mm Fine Edges Durable for Motor Hardware Mold Mechanical Transmissi [PREMIUM STEEL CONSTRUCTION] Crafted from highgrade 45# steel these bore couplings offer exceptional strength and durabiuxcell uxcell Shaft Coupling, 3/4" Bore 1-1/2" OD 2" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Prin Size: 3/4 inch bore rigid set screw coupling, with 1-1/2 inch outside diameter, 2 inch length, and with a hex wrench anduxcell uxcell Shaft Coupling, 7/8" Bore 1-3/4" OD 2" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Prin Size: 7/8 inch bore rigid set screw coupling, with 1-3/4 inch outside diameter, 2 inch length, and with a hex wrench anduxcell uxcell 2 Pcs Shaft Coupling, 5/8" Bore 1-1/4" OD 2" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3 Size: 5/8 inch bore rigid set screw coupling, with 1-1/4 inch outside diameter, 2 inch length, and with a hex wrench anduxcell uxcell 2 Pcs Shaft Coupling, 3/4" Bore 1-1/2" OD 2" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3 Size: 3/4 inch bore rigid set screw coupling, with 1-1/2 inch outside diameter, 2 inch length, and with a hex wrench anduxcell uxcell Shaft Coupling, 7/8" Bore 1-3/4" OD 2" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Prin Size: 7/8 inch bore rigid set screw coupling, with 1-3/4 inch outside diameter, 2 inch length, and with a hex wrench anduxcell uxcell Shaft Coupling, 3/4" Bore 1-1/2" OD 2" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Prin Size: 3/4 inch bore rigid set screw coupling, with 1-1/2 inch outside diameter, 2 inch length, and with a hex wrench anduxcell uxcell 2 Pcs Shaft Coupling, 5/8" Bore 1-1/4" OD 2" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3 Size: 5/8 inch bore rigid set screw coupling, with 1-1/4 inch outside diameter, 2 inch length, and with a hex wrench anduxcell uxcell 2 Pcs Shaft Coupling, 1" Bore 2" OD 1/2" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Pr Size: 1 inch bore rigid set screw coupling, with 2 inch outside diameter, 1/2 inch length, and with a hex wrench and 2 sKAMESTORY KAMESTORY Flange Coupling Connector, 8 mm Inner Dia, Rigid Guide Model Coupler Shaft Axis Adapter & Fastening Screw & Mi 【Flange Shaft Coupler】Made of aluminium alloy, light weight, plating industry, smooth surface, rugged and durableuxcell uxcell 2 Pcs Shaft Coupling, 7/8" Bore 1-3/4" OD 2" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3 Size: 7/8 inch bore rigid set screw coupling, with 1-3/4 inch outside diameter, 2 inch length, and with a hex wrench anduxcell uxcell Shaft Coupling, 1" Bore 2" OD 3" Length Black Oxide Plated Steel Rigid Coupling with Hex Wrench for 3D Printers M Size: 1 inch bore rigid set screw coupling, with 2 inch outside diameter, 3 inch length, and with a hex wrench and 4 scrLabymos Labymos 3pcs Rigid Shaft Coupling 5mm to 8mm Bore L23xD18 Shaft Coupler Connector for 3D Printer Stepper Motor CNC Machi Rigid shaft coupling, compatible with 3D printer, CNC machine, stepper motor, etc.B Blesiya Metal Flange Shaft Coupling Rigid Flange Coupling Motors Guide Shaft Bearing of 4 Pack Perfect accessories for RC Model motor, etc.uxcell uxcell 3.17mm to 3.17mm Bore Rigid Coupling, 20mm Length 9mm Diameter, Copper Shaft Coupler Connector, Brass Tone 2Pcs [Specification] Connection Bore Diameter: 3.17mm to 3.17mm; Total Length: 20mm / 0.79 inch, Outside Diameter : 9mm / 0.3BESTOYARD BESTOYARD 4pcs High Hardness Rigid Shaft Connectors Precision Guide Shaft Coupler for DIY Projects Heavy Duty Machinery Stable flange couplings: high hardness design make sure stable power transmission, ideal for heavy load mechanical conneuxcell uxcell 3mm Inner Dia H12*D10 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector 2 PCS for DIY Parts Inner Diameter: 3mm/0.12 inch, Total Height: 12mm/0.47 inch, Cylinder Outer Diameter: 10mm/0.39 inch, Cylinder Height: 1ANKROYU ANKROYU 6mm Flange Shaft Coupling Rigid Durable Steel Motor Connector for RC Model Motors and Mechanical Transmission Si [PREMIUM STEEL CONSTRUCTION] Crafted from high-quality steel with heating and electroplating treatment, this flange coupBE-TOOL 5PCS Couplings Shaft, BE-TOOL Various Sizes Rigid Coupling Aluminum Shaft Coupling with Spanner and M4 Screw for DIY Mod Three Types Coupler，26 different sizes for your choosingBQLZR BQLZR Shaft Rigid Couplings 6mm Blue D14L25 for 3D Printer CNC Machine Part Pack of 4 The shaft couplers are widely applied to small CNC machines encoding and 3D printers Z shaft coupling, simplifies the dePOCHY Bore Rigid Coupling Set Screw, Portable Car Model Shaft for 3D Printer, Eco-Friendly 3D Printer Joint Connector Rust-Pro Variety of Coupling: Our 3D Printer Shaft Coupling provides a range of specifications to fit different shaft diameters a