Hubs and couplers provide the necessary connections between a motor output shaft and various mechanical components in robotics. This collection features a diverse range of products made from materials like aluminum, brass, and stainless steel to ensure durability and compatibility with different shafts. Whether you need key hubs, hex hubs or set screw couplers, these solutions cater to a variety of sizes and applications, ensuring a secure fit and reliable performance.
Hubs and couplers provide the necessary connections between a motor output shaft and various mechanical components in robotics. This collection features a diverse range of products made from materials like aluminum, brass, and stainless steel to ensure durability and compatibility with different shafts. Whether you need key hubs, hex hubs or set screw couplers, these solutions cater to a variety of sizes and applications, ensuring a secure fit and reliable performance.
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ServoCityServo to Shaft Coupler (H25T Spline, 1/4-inch Bore)SKU: RB-Sct-1360
Sale price$6.99Re-stocking soon See due date Notify me
- On Demand
ServoCityServoCity Set-Screw Shaft Coupler (1/4" Round Bore to 3/8" Round Bore)SKU: RB-Sct-2894
Sale price$4.99 
PololuPololu Universal 5mm Mounting Hub (4-40)SKU: RB-Pol-135
Sale price$11.49ReviewsRe-stocking soon See due date Notify me
ServoCityServocity goBILDA 1309 Series Sonic Hub w/ 8mm BoreSKU: RB-Sct-1530
Sale price$7.99Only 2 units left
LynxmotionLynxmotion Hex Mounting Hub HUB-12 - 6mm (Pair)SKU: RB-Lyn-218
Sale price$8.92ReviewsIn stock, 27 units
PololuPololu Universal 6mm Mounting Hubs (4-40)SKU: RB-Pol-136
Sale price$12.95ReviewsIn stock, 5 units
Nexus Robot14mm Shaft Universal Stainless Mounting Key HubSKU: RB-Nex-134
Sale price$22.97ReviewsIn stock, 11 units
LynxmotionLynxmotion HUB-02 Universal Hub - 6mm (pair)SKU: RB-Lyn-17
Sale price$8.42ReviewsIn stock, 29 units- On Sale
Nexus Robot6mm Mounting Hub for 60mm Omni WheelSKU: RB-Nex-80
Sale price$5.36Regular price$7.93ReviewsIn stock, 7 units 
Nexus Robot3mm Brass Hex Coupling For 38MM Plastic Omni WheelSKU: RB-Nex-141
Sale price$3.25In stock, 5 units
PololuPololu Universal 4mm Mounting Hub (4-40)SKU: RB-Pol-134
Sale price$10.95ReviewsIn stock, 6 units
Nexus Robot4mm Mounting Hub for 60mm Omni WheelSKU: RB-Nex-78
Sale price$7.93ReviewsIn stock, 11 units
Nexus Robot12mm Shaft Universal Stainless Mounting Key HubSKU: RB-Nex-100
Sale price$22.97ReviewsRe-stocking soon See due date Notify me
Nexus Robot3mm Brass Hex Mounting HubSKU: RB-Nex-132
Sale price$3.39Re-stocking soon See due date Notify me
E-S Motor4mm Hexagon Couplers for Rubber Wheels (Pair)SKU: RM-ESMO-115
Sale price$2.59In stock, 2930 units
PololuPololu Universal 8mm Mounting Hubs (M3)SKU: RB-Pol-508
Sale price$14.95ReviewsIn stock, 7 units
Nexus Robot12mm Shaft Universal Mounting HubSKU: RB-Nex-20
Sale price$10.80ReviewsIn stock, 12 units
goBILDAgoBILDA 1314 Series Set-Screw Hub (6mm Bore)SKU: RB-Sct-1529
Sale price$5.99Re-stocking soon See due date Notify me
ServoCitygoBILDA 1301 Series Clamping Hub (12mm Bore)SKU: RB-Sct-1546
Sale price$5.99In stock, 6 units
Nexus Robot6mm Mounting Hub for 60mm Mecanum WheelSKU: RB-Nex-81
Sale price$7.93ReviewsIn stock, 4 units
ServoCityServoCity 6mm to 6mm Set-Screw Shaft CouplerSKU: RB-Sct-2779
Sale price$4.99Only 1 unit left- On Demand
ServoCityServoCity 8mm Pitch Acetal Hub-Mount Sprocket (14mm Bore, 18 Tooth)SKU: RB-Sct-3377
Sale price$2.39 
ServoCity4001 Series Clamping Servo to Shaft Coupler (24 T Spline to 1/4 in Round Bore)SKU: RB-Sct-1455
Sale price$9.99Re-stocking soon See due date Notify me
Nexus Robot10mm Shaft Universal Mounting HubSKU: RB-Nex-19
Sale price$10.80ReviewsRe-stocking soon See due date Notify me
E-S Motor6mm Hexagonal Couplers for Rubber Wheels (Pair)SKU: RM-ESMO-116
Sale price$2.59In stock, 2898 units- On Demand
