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Best Choice Hard-to-Find Fastener 
Hard-to-Find Fastener 014973322175 Coupling Nuts, 3/8-24, Piece-5 Diameter: 3/8"Frienda 
Frienda 12 Pieces 3/8 Inch-24 Threads Brake Line Fittings Assortment for 3/16 Inch Tube (4 Unions, 8 Nuts) Fit for: the unions measures approx. 0.6 x 0.9 inch, the nut measures approx. 0.67 x 3/8 inch, fit for most common inverTanstic 
Tanstic 37Pcs M4 M5 M6 Rubber Well Nuts Kit, Neoprene Expansion Brass Nuts Insert Fairing Universal Motorcycle Fasteners Package Includes: In this kit, you will receive a black rubber well nuts kit, which includes 15pcs M4 neoprene well nutsFullFun 
FullFun 100PCS Hex Lock Nuts Nylon Insert Nut Assortment Kit, 304 Stainless Steel Hex Locknuts (M3 M4 M5 M6 M8 M10 M12) METRIC HEX LOCK NUTS KIT: M3 M4 M5 M6 M8 M10 M12 Hex Lock Nuts Assortment Kit according to the standardized metric systeBest Value BEANPRECOY 
BEANPRECOY Galvanized Spring Nut 10Pcs C-Shaped Steel Special Spring Nut Spring Strut Channel Cone Nut for Strut Channel 【Versatile Application】: Ideal for securing strut channels, springs, and other components in industrial applications.EMSea 
EMSea 10Pcs Studding Connector Set, Thread Straight Extension Hexagon 304 Stainless Steel Hex Nut (M8x13x24mm) Material : Hexagonal extension nuts made of 304 stainless steel, strong and not easy to rust, able to use for a long timCreate idea 
Create idea 4pcs M6 Right Thread Turnbuckle Nut 304 Stainless Steel Long Hex Coupling Nut for Home and Office Communicat The internal thread of the hexagonal right-hand thread nut is M6, 30mm long and 10mm wide.Cryfokt Threaded Rod Connector, 25mm Length, 20Pcs 304 Stainless Steel M5x0.8 Hex Coupling Nut Corrosion for Replacement 20 Pcs Set: Pack includes 20 pcs hex rod coupling nuts, enough quantity for using, ideal for replacing old worn or damagHard-to-Find Fastener Hard-to-Find Fastener 014973322243 Coupling Nuts, 5/8-18, Piece-3 Diameter: 5/8"Mardatt Mardatt 270Pcs 3 in 1 Furniture Connecting Kit with 3 Sizes Wood Dowel Pins, Nickel Plated Cam Lock Nuts Fittings Pre-In 【Great Value 3-in-1 Furniture Connecting Kit】 The 3-in-1 furniture connecting fittings contains 75pcs cam fittings, 75pcDahszhi Yohii M8 Round Connector Nuts Stainless Steel Coupling Nut 40mm/1.57" Length - Pack of 5 Package Content: 5pcs x Round Connector NutsEVTSCAN EVTSCan M10 Hex Coupling Nut Kit - 5Pcs Rustproof Stainless Steel Coupling Nuts with 6 Sides for Maintenance and Repair Premium Quality Material: Made of high-quality 304 stainless steel with impeccable craftsmanship, these hex coupling nutHard-to-Find Fastener Hard-to-Find Fastener 014973322137 Coupling Nuts, 5/16-24, Piece-5 Diameter 1: 5/16 inchesuxcell uxcell 10Pcs M4 Round Connector Nuts, 304 Stainless Steel Coupling Nut 20mm/0.8" Length Sleeve Rod Bar Stud Nut for Brac [Coupling Nut] - Thread Size: M4x0.7; Outside Diameter: 8mm / 0.31"; Height: 20mm / 0.79"; Package Content: 10Pcs x RounSwpeet Swpeet 110Pcs 5 Values M2 M3 M4 M5 M6 Female Thread Knurled Nuts Brass Threaded Insert Embedment Nuts Hydraulic Welded J [ Packaging includes ]: In this kit, You will get 110Pcs M2 M3 M4 M5 M6 Female Thread Knurled Nuts in sufficient quantituxcell uxcell 5Pcs M8 Round Connector Nuts, 304 Stainless Steel Coupling Nut 10mm/0.39" Length Sleeve Rod Bar Stud Nut for Brac [Coupling Nut] - Thread Size: M8x1.25mm; Outside Diameter: 10mm / 0.39"; Height: 10mm / 0.39"; Package Content: 5Pcs x Ruxcell uxcell M6 x 1-Pitch 25mm Length 304 Stainless Steel Metric Hex Coupling Nut, 4Pcs Made of 304 stainless steel, which is durable, with strong corrosion resistance and good rust resistance. Great for outdSmartsails Smartsails 5PCS M6 X 1-Pitch 10mm Length 304 Stainless Steel Metric Hex Coupling Nut Material: Made Of 304 Stainless Steel, It Has Good Rust Resistance And Durability.Snokay SNOKAY 230Pcs 11 Size M4/M5/M6/M8/M10 Metric Threaded Inserts Nuts Assortment Tool Kit Zinc Alloy Furniture Bolt Fastene Package Includes: You will get 230 pcs furniture hex drive nuts in total, including m6*15 mm - 12 pcs, m8*15 mm - 10 pcsVGOL VGOL 10pcs Axle Push Nuts 5/8 Shaft Push Nut Fasteners Compatible with Trolley/Lawn Cart/Wheeled Trash Can/Pressure Wash [Perfect Fit] Set of 10 axle push nuts with an outer diameter of 19.5mm, inner diameter of 16mm, total height of 11.3mm,Glarks Glarks 90pcs M4 M5 M6 Jack Nut and Flat Head Phillips Machine Screws Kit, Black Jacknut Screw Anchor, Threaded Insert Pe ♛【What You Get】: The kit contains 45pcs black jack nuts, measuring m4 x 20mm, m5 x 25mm, m6 x 25mm, 15pcs of each size.uxcell uxcell M4 Round Connector Nuts, 304 Stainless Steel Coupling Nut 10mm/0.39inch Length,Pack of 10 100% Brand new and .uxcell uxcell 40mm (1.6") Round Coupling Nuts Kit, M4 Threaded Connector Bar Hardware with Fully Thread Rods Socket Screws for Material: Carbon Steel; Thread Size: M4; Thread Tube Size: 4.8mmx40mm / 0.2 inch x1.6 inch (Outer Dia.x Length); Fully TStill Awake 5 Pcs M12 x 1.75 x 34mm Long Rod Coupling Round Rod Nut Connector Zinc Plated Joint Nut Industrial Construction Fastener Product Name: Round Rod Coupling Nut; Material: Metaluxcell uxcell 6Pcs M8 Round Connector Nuts, 304 Stainless Steel Coupling Nut 30mm/1.18" Length Sleeve Rod Bar Stud Nut for Brac [Coupling Nut] - Thread Size: M8x1.25mm; Outside Diameter: 12mm / 0.47"; Height: 30mm / 1.18"; Package Content: 6Pcs x Ruxcell uxcell M8 x 1.25-Pitch 60mm Length Coupling Nuts, 2pcs 304 Stainless Steel Metric Hex Rod Coupling Nuts [Basic Size] - Thread Size: M8x1.25mm (Dia. x Pitch); Hex Width: 13mm / 0.51"; Total Length: 60mm / 0.36"; Package Conteuxcell uxcell M3 Round Connector Nuts, 304 Stainless Steel Coupling Nut 4.0mm/0.16inch Length,Pack of 10 Height: 4mm / 0.16''; Pitch: 0.5mmuxcell uxcell M10 Threaded Rod Bar Stud Round Coupling Connector Nuts Silver Tone 15 Pcs Thread Size: M10/0.4"; Product Name: Round Rod Coupling Nutuxcell uxcell M3 Round Connector Nuts, 304 Stainless Steel Coupling Nut 8mm/0.31inch Length,Pack of 20 100% Brand new and .AcbbMNS AcbbMNS 10pcs M6 Hex Rod Coupling Nuts Round Connector Nuts Zinc Plated, 10mm OD, 20mm Length Package Content: 10pcs M6 round coupling nuts, outer diameter 10mm/0.39inch, length 20mm/0.79inch.uxcell uxcell M10 x 1.5-Pitch 30mm Length 304 Stainless Steel Metric Hex Coupling Nut, 5-Pack Thread Size: M10 x 30mm; Pitch: 1.5mm；Length: 30mm/1.18"uxcell uxcell 10Pcs M4 Round Connector Nuts, 304 Stainless Steel Coupling Nut 20mm/0.8" Length Sleeve Rod Bar Stud Nut for Brac [Coupling Nut] - Thread Size: M4x0.7mm; Outside Diameter: 6mm / 0.24"; Height: 20mm / 0.79"; Package Content: 10Pcs x RoTOPPROS TOPPROS Pack of 8 M5 X 0.8-Pitch 20mm Length Hex Width 8mm Metric Hex Coupling Nut 304 Stainless Steel Rod Coupling Nuts uxcell uxcell 1/2"-13 UNC Hex Coupling Nuts, 10Pcs 1.77" Long Fully Threaded Rod Coupling Nut Studding Connector Fasteners Galv Specification: Material: Galvanized Carbon Steel; Color: Silver Tone; Thread Size: 1/2"-13 Female Thread; Thread Type: UThe Hillman Group The Hillman Group 4375 3/8-24 Coupling Nut Fine Thread (5-Pack) Coupling nuts are threaded fasteners for joining two male threads, most commonly threaded rodLIUHONGSHEN 5pcs M10*1.25 * 25/30/35 Fine Thread Stainless Steel Hex Coupling Nut (Size : M10x1.25x35 5pcs) 5pcs M10*1.25*25/30/35 Fine Thread Stainless Steel Hex Coupling NutCreative Hobbies Creative Hobbies® 64 Piece Lamp Repair Hardware Assortment Pack, Includes 12 Inch All Thread Lamp Pipe, 2 Coupling Pipe TOP QUALITY - Creative Hobbies ELY 12KIT - 64 Piece Lamp Repair Hardware Assortment Pack, Includes 12 Inch All Thread LaHillman The Hillman Group 45136 1/2-13-Inch Stainless Steel Coupling Nut, 5-Pack Coupling nuts are threaded fasteners for joining two male threads, most commonly threaded roduxcell uxcell M8 Round Connector Nuts, 304 Stainless Steel Coupling Nut 30mm/1.17inch Length,Pack of 10 100% Brand new and .Sscon Sscon 25-Pieces M3x8mm Round Coupling Nut Rod Bar Stud Round Connector Nuts Fasteners 304 Stainless Steel Material: 304 stainless steel. Anti-rust and corrosion, durable to use.Hilitchi Hilitchi 20-Pcs M6 Pozidriv Slotted Barrel Nuts Cross Dowels Slotted Nuts for Furniture Beds Crib Chairs - M6 x 20mm ★ High Quality Zinc Plated Pozidriv Slotted Barrel Nutsuxcell uxcell M10 X 1.5-Pitch 30mm Length 304 Stainless Steel Metric Hex Coupling Nut, 2Pcs Made of 304 stainless steel, which is durable, with strong corrosion resistance and good rust resistance. Great for outdHilitchi Hilitchi 183Pcs Auto Car U-Clip U Nut and Screw Assortment Kit, Including 95Pcs M5 M6 Nut and 88 Pcs 11 Size of Screw U- 🚗【What You Get】-------- In this kit, you will 183pcs Auto Car U-Clip U Nut and Screw Assortment Kit. Including 35 pcs MLwuey Lwuey Thread Adapter Reducer Nut Inserts, Stainless Steel Repair Sleeve Reducers M10 x 1.5 Female M12 x 1.75 Male Thread Fitment: These slotted threaded nuts and m12 to m10 thread reducer are suitable for converting M12 12mm male to M10 15mmSluffs 5pcs Long Rod Hexagonal Sleeve Nuts, Zinc Plated Steel Hex Coupling Nuts Standoff Connectors Fasteners (M12*50 Opposite Made of zinc plated carbon steel material, which provides strength and zinc cover offers good corrosion resistance.Fuerdich 5PCS M12 Cylindrical Coupling Nuts 1.75-16-L50mm, 304 Stainless Steel Female Thread Round Connector Nut, Round Connector 【MAIN FUNCTION】The main purpose of the round coupling nut is to securely fasten two parts together, typically a threadedSscon Sscon 25-Pieces M4x16mm Round Coupling Nut Rod Bar Stud Round Connector Nuts Fasteners 304 Stainless Steel Material: 304 stainless steel. Anti-rust and corrosion, durable to use.KICHOUSE KICHOUSE Practical Nut Caps 40pcs Hexagon Nuts Covers for Automotive Construction Hex nut caps-- premium materials: made of premium plastic materials, these hex nut covers are reusable and durable for luxcell uxcell 1/4"-20 UNC Hex Coupling Nuts, 10Pcs 0.79" Long Fully Threaded Rod Coupling Nut Studding Connector Fasteners Galv Specification: Material: Galvanized Carbon Steel; Color: Silver Tone; Thread Size: 1/4"-20 Female Thread; Thread Type: UKeadic Keadic 60Pcs M4 M5 M6 Molly Jack Nuts with Screws Assortment Kit Steel Petal Nuts Large Flange Short Jacknut Expansion N 【What you Get】The jack nut assortment kit contains 10pcs M4 X 20 Jacknut, 10pcs M5 X 25 Jacknut, 10pcs M6 X 25 Jacknut,uxcell uxcell 5Pcs M8 Round Connector Nuts, 304 Stainless Steel Coupling Nut 25mm/1" Length Sleeve Rod Bar Stud Nut for Bracket [Coupling Nut] - Thread Size: M8x1.25mm; Outside Diameter: 20mm / 0.79"; Height: 25mm / 0.98"; Package Content: 5Pcs x Ruxcell uxcell M5 x 0.8-Pitch 15mm Length Coupling Nuts, 8pcs 304 Stainless Steel Metric Hex Rod Coupling Nuts [Basic Size] - Thread Size: M5x0.8mm (Dia. x Pitch); Hex Width: 8mm / 0.31"; Total Length: 15mm / 0.59"; Package ContentNDNCZDHC NDNCZDHC 10PCS Round Coupling Nut, M10x1.5 L35mm/1.4in 304 Stainless Steel Round Threaded Rod Connecting Nuts FIRM CONNECTION: The round coupling nut is specially designed to fix two parts together, usually for threaded rod.Spacnana 20pcs Hex Coupling Nut M5 X 0.8 X 25mm Stainless Steel Long Coupling Threaded Rod Connectors 【304 Stainless Steel】 hex coupling nut is made of premium 304 stainless steel material, rust proof, and can be used forHillman The Hillman Group 180213 Coupling Nut, 5/16-Inch by 18-Inch, 50-Pack Threaded fasteners for joining two male threads, most commonly threaded rodHillman Hillman Black Oxide Joint Connector Nut, 57148, 11 Pieces, 1/4-20 Coarse Thread, Steel Ideal for use in furniture and cabinetry applicationsF-ber F-ber 5PCS M6 X 1-Pitch 30mm Length 304 Stainless Steel Metric Hex Coupling Nut (M6 L30mmW10mm) Material: Made Of 304 Stainless Steel, It Has Good Rust Resistance And Durability.Lokkr Lokkr 5PCS Flexible Couplings 5mm to 8mm Set, Aluminum Connector Flexible Coupler for 3D Printer CNC Machine, DIY Encode ➤High Quality Material: Made of high-quality Aluminum Alloy, Surface oxidation treatment, durable, fine workmanship anduxcell uxcell Straight Pipe Lamp Stems Rod Kit, 4Set M10 Carbon Steel 60mm(2.36") Long Double End Thread Rod with Coupling Nuts Specification: Material: Carbon Steel Color: Black Thread Size: M10x1mm Thread Pipe Size: 9x60mm / 0.35"x 2.36" (ID*LengMingzhe Stainless Steel M5 Round Coupling Nut Set Connection Nut for Pipeline Maintenance Machinery Repair [Multipurpose Use] : for connecting threaded rods, bolts, studs, and machine screws, ideal for home installation, machinConyy 1PC Galvanized Round Coupling Nuts M6 M8 M10 M12 Extend Long Round Coupling Nut Lead Screw Connection Nut(M12x16x40mm) 1PC Galvanized Round Coupling Nuts M6 M8 M10 M12 Extend Long Round Coupling Nut Lead Screw Connection Nutuxcell uxcell Straight Pipe Lamp Stems Rod Kit, 4Set M10 Carbon Steel 120mm(4.72") Long Double End Thread Rod with Coupling Nut Specification: Material: Carbon Steel Color: Black Thread Size: M10x1mm Thread Pipe Size: 9x120mm / 0.35"x 4.72" (ID*LenHard-to-Find Fastener Hard-to-Find Fastener 014973322205 Coarse Rod Coupling Nuts, 1/2-13, Piece-50 Diameter: 1/2"KJAOYU M5 Hex Coupling Nuts, M5 Coupling Nuts zinc, 20 Pcs Hex Coupling Nut M5x0.8 L25mm, rusts and Stainless Steel Threaded Ro Versatile Functionality: These rod coupling nuts are designed to install bolts, studs, or mechanical screws, effectivelyConyy 10pc Coupling Nut M6 M8 Hex Coupling Nuts Rod 304 Stainless Steel Long Hexagonal Connection Sleeve Thread Nut Bushing Ba Long hex coupling nutConyy 10pc Coupling Nut M6 M8 Hex Coupling Nuts Rod 304 Stainless Steel Long Hexagonal Connection Sleeve Thread Nut Bushing Ba Long hex coupling nutHillman Hillman USS Coarse Coupling Nuts 3/4"-10 Threaded fasteners for joining two male threads, most commonly threaded rodAnneome Anneome 8Pcs Round Coupling Nuts Thread Rod Connectors Female Thread Fasteners for Secure Connections Corrosion Resistan Stainless coupling nut--the nuts have smooth appearance, corrosion resistance, precision thread,Stainless Thread ConnectHillman Hillman USS Coarse Coupling Nuts 3/8"-16 Threaded fasteners for joining two male threads, most commonly threaded rodConyy 1PC Round Coupling Nuts M3 M4 M5 M6 M8 M10 Extend Long Round Coupling Nut 304 Stainless Steel Screw Connection Nut(M5x10 1PC Round Coupling Nuts M3 M4 M5 M6 M8 M10 Extend Long Round Coupling Nut 304 Stainless Steel Screw Connection NutCreate idea Create idea 18mm Square Brass Coupling Square Brass Coupler 3D Printer Coupling Parts T8 Z Axis Coupling Compatible with [Enhanced Compatibility] Compatible with Creality CR10/CR-10S Pro/Ender-3/S/Pro/V2 3D Printer, offering a precise fit foEacam 10PCS Round Connector Nuts 304 Stainless Steel Female Thread Cylindrical Coupling Nut, and Corrosion Resistant, Non Slip [Versatile Usage] Designed to fix two parts together, such as a threaded rod, ideal for home decoration and pipeline maiConyy 304 Stainless Steel Extend Long Round Coupling Nut Round Coupling Nuts Connection Thread Nut M3 M4 M5 M6 M8 M10 M12 M14 Product Description:BOZONLI BOZONLI M8 Round Connector Nuts, Female Thread Rod Studding Stainless steel Round Coupling Nuts, 30mm Length Product Name:Long Rod Round NutLIFKOME LIFKOME 8Pcs Round Coupling Nut Thread Connector for Threaded Rods for Home Office Retail Use Corrosion Resistant and Hi Sleeve nuts:the product is made of stainless steel, with corrosion resistance and high fixing strength,Stainless ThreadCerlyiont 5 Pcs M12 × 1.75 Pitch 304 Stainless Steel Hex Coupling Nuts, Metric Hex Coupling Nuts, Rod Coupling Nuts, 55mm Length, MATERIAL AND CRAFTSMANSHIP: Crafted from high-quality 304 stainless steel, these hex coupling nuts are known for their sPastlla Pastlla 10 Pcs M6 Round Connector Nuts, 304 Stainless Steel Coupling Nut for Industrial Construction Fasteners with 30mm Package includes: 10 x M6 304 Stainless Steel Round Connector NutTopHomer 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 andTomvorks 20 Pcs Hex Coupling Nut, M5x0.8 L25mm Stainless Steel with 304 Threaded Rod Connector for Fastening Bolts, Studs, Screws [Full Package] This pack includes 20 pcs of hex coupling nuts, providing enough quantity for your needs, for replacing wSuperior Tool Superior Tool 03825 Basin Buddy Faucet Nut Wrench-Wrench to grab metal pvc plastic and coupling nuts Unique slots grab locknut wings without breaking them offLaroal Laroal Pack of 5 M8 65mm Long Hex Coupling Nuts Female Thread Double Sided Hex Iron Column Zinc Plated Hex Nuts for Safe STANDARD HEX DESIGN These long bar hex coupling nuts adopt a standard hex shape, which ensures a secure and reliable conuxcell uxcell 6.35mm to 8mm Aluminum Alloy Shaft Coupling Flexible Coupler Motor Connector Joint L25xD19 Silver,5pcs Material: Aluminum alloy; Connection Diameter: 6.35mm to 8mm; Total Length: 25mm /0.98 inch; Outside Diameter : 19mm/ 0.Conyy 2pcs M6 M8 Hex Coupling Nut Rod 304 A2 Stainless Steel Long Hexagonal Nut Connection Thread Nut Fit Blot All-Thread Bar 2pcs M6 M8 Hex Coupling Nut Rod 304 A2 Stainless Steel Long Hexagonal Nut Connection Thread Nut Fit Blot All-Thread BarHEALEEP HEALEEP 8Pcs Threaded Sleeve Nuts Coupling Connectors High Fixing Strength Corrosion Resistant for Threaded Rod Applicat Threaded sleeve rod:in photographic equipment, the round nuts can adjust brackets, fine-tuning scale mechanisms etc,Staiuxcell uxcell 5mm to 5mm Inner Dia Rotatable Universal Joint Shaft Coupling Motor Shaft Coupler L23 x D11 with Screws and Wrenc Shaft fitting accessories to connect two different shafts and make them rotate together to transmit torque. Applied forConyy 20pcs M6 M8 Hex Long Nut Coupling Connection Nuts Thread Rod Carbon Steel Galvanized Long Hexagonal Nut Stub L= 16mm 20m 20pcs M6 M8 Hex Long Nut Coupling Connection Nuts Thread Rod Carbon Steel Galvanized Long Hexagonal Nut Stub L= 16mm 20mConyy 2-5PCS Steel with zinc M3 M4 M5 M6 M8 M10 M12 Rod Coupling Hex Nut/Galvanized Long Hex Nut/Connection Thread Nut(M10x30 2-5PCS steel with zinc M3 M4 M5 M6 M8 M10 M12 Rod Coupling Hex Nut/Galvanized Long Hex Nut / Connection Thread Nutsourcing map sourcing map 8mm to 10mm Aluminum Alloy Shaft Coupling Flexible Coupler Motor Connector Joint L25xD18 Silver Connection Diameter: 8mm to 10mm/0.31 inch to 0.39 inchConyy 5/2pcs M6 M8 Hex Coupling Nut Rod 304 A2 Stainless Steel Long Hexagonal Nut Connection Thread Nut Fit All-Thread Bar Stu GARDENA Gardena Hose Coupling Set - 13 mm This set includes all fittings required to join two hoses togetherConyy 1PC M5 M6 M8 M10 304 Stainless Steel A2-70 DIN6334 Hexagon Hex Extend Long Rod Coupling Nut Connector Joint Tubular Nuts 1PC M5 M6 M8 M10 304 Stainless Steel A2-70 DIN6334 Hexagon Hex Extend Long Rod Coupling Nut Connector Joint Tubular NutsFoycow 2-Pack Replacement Parts for Inflatable Pools - B/C Water Pipe with 2B/C Seals Gaskets Washers, Grey Coupling Screw Nut Package Content: 2B/C Split nut+2 Sealing Rings with 4 screwsConyy 1PC M5 M6 M8 M10 M12 M14 M16 Rod Coupling Hex Nut Steel Galvanized Long Hex Nut Connection Thread Nut(M10x30x17mm) 1PC M5 M6 M8 M10 M12 M14 M16 Rod Coupling Hex Nut Steel Galvanized Long Hex Nut Connection Thread NutGROHE Grohe 28637XX0 Coupling Gray CouplingZYCST 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 shaftsuxcell 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 inchConyy 20pcs M6 M8 Hex Nut Rod Coupling Carbon Steel Galvanized Long Hexagonal Nut Fit Blot All-Thread Bar Stud Connection Slee 20pcs M6 M8 Hex Nut Rod Coupling Carbon Steel Galvanized Long Hexagonal Nut Fit Blot All-Thread Bar Stud Connection Sleeuxcell uxcell Shaft Coupling 12mm to 12mm Bore L35xD25 Flexible Coupler Joint for Servo Stepped Motor General purpose power transmission coupling, also used in motion control applications and rotational power transmissionsCHANCS CHANCS D20 L25 Plum Model Motor Shaft Coupling 5mm to 8mm Bore Flexiable Coupler Aluminium for Engraving Drilling Millin Sorandy 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.