non-self-centering design for use in counter-bored components
web with lightening holes
Our standard 700 Series - the heart of Boston Gear's speed reducer product line - has been serving many industries reliably for over 40 years
Click here for spec sheets: SUCSFCS Spec Sheet
The pressure plate retracts against torque springs by magnetic force when the magnet is energized
Y4812 Brass Spur Gear 21 Teeth non-self-centering design for use inBoston Gear spur gears are designed to transmit motion and power between parallel shafts. The different styles offered include spur, gear rack, pinion wire, stem pinions, and internal gears, and most come with a selection of bore diameters, keyways, and setscrews to accommodate a wide variety of application requirements. They are available in plastic, non metallic, brass, steel, and cast iron and are manufactured in a variety of styles, including