Actobotics 4mm Bore 0.77" Aluminum Clamping Hub

• 4mm bore aluminum clamping hub
• Used to attach hub mount gears or wheels to a shaft
• Offers more holding power in high torque applications
• Side clamping machine screw is 6-32 and accepts a 7/64'' hex key

The Actobotics 4mm Bore 0.77" Aluminum Clamping Hub offers a cheap way to attach hub mount gears or wheels to a shaft.