• Send Us a Message
  • Skip to content

    Open Gearing

    • YI 4848 Brass Internal Spur Gear

      Boston Gear
      Original price $ 2,809.00 - Original price $ 2,809.00
      Original price
      $ 2,809.00
      $ 2,809.00 - $ 2,809.00
      Current price $ 2,809.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 2,809.00 - Original price $ 2,809.00
      Original price
      $ 2,809.00
      $ 2,809.00 - $ 2,809.00
      Current price $ 2,809.00
    • G635 Brass Internal Spur Gear

      Boston Gear
      Original price $ 3,537.00 - Original price $ 3,537.00
      Original price
      $ 3,537.00
      $ 3,537.00 - $ 3,537.00
      Current price $ 3,537.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 3,537.00 - Original price $ 3,537.00
      Original price
      $ 3,537.00
      $ 3,537.00 - $ 3,537.00
      Current price $ 3,537.00
    • G664 Brass Internal Spur Gear

      Boston Gear
      Original price $ 3,349.00 - Original price $ 3,349.00
      Original price
      $ 3,349.00
      $ 3,349.00 - $ 3,349.00
      Current price $ 3,349.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 3,349.00 - Original price $ 3,349.00
      Original price
      $ 3,349.00
      $ 3,349.00 - $ 3,349.00
      Current price $ 3,349.00
    • YI 3264 Brass Internal Spur Gear

      Boston Gear
      Original price $ 3,793.00 - Original price $ 3,793.00
      Original price
      $ 3,793.00
      $ 3,793.00 - $ 3,793.00
      Current price $ 3,793.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 3,793.00 - Original price $ 3,793.00
      Original price
      $ 3,793.00
      $ 3,793.00 - $ 3,793.00
      Current price $ 3,793.00
    • YI 3248 Brass Internal Spur Gear

      Boston Gear
      Original price $ 3,349.00 - Original price $ 3,349.00
      Original price
      $ 3,349.00
      $ 3,349.00 - $ 3,349.00
      Current price $ 3,349.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 3,349.00 - Original price $ 3,349.00
      Original price
      $ 3,349.00
      $ 3,349.00 - $ 3,349.00
      Current price $ 3,349.00
    • G464Y Brass Miter Gear

      Boston Gear
      Original price $ 687.00 - Original price $ 687.00
      Original price
      $ 687.00
      $ 687.00 - $ 687.00
      Current price $ 687.00

      Boston Miter Gears are designed for the transmission of motion and power between two intersecting shafts positioned at a right angle. Miter Gears a...

      View full details
      Original price $ 687.00 - Original price $ 687.00
      Original price
      $ 687.00
      $ 687.00 - $ 687.00
      Current price $ 687.00
    • YI 2496 Brass Internal Spur Gear

      Boston Gear
      Original price $ 5,396.00 - Original price $ 5,396.00
      Original price
      $ 5,396.00
      $ 5,396.00 - $ 5,396.00
      Current price $ 5,396.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 5,396.00 - Original price $ 5,396.00
      Original price
      $ 5,396.00
      $ 5,396.00 - $ 5,396.00
      Current price $ 5,396.00
    • G466Y Brass Miter Gear

      Boston Gear
      Original price $ 1,184.00 - Original price $ 1,184.00
      Original price
      $ 1,184.00
      $ 1,184.00 - $ 1,184.00
      Current price $ 1,184.00

      Boston Miter Gears are designed for the transmission of motion and power between two intersecting shafts positioned at a right angle. Miter Gears a...

      View full details
      Original price $ 1,184.00 - Original price $ 1,184.00
      Original price
      $ 1,184.00
      $ 1,184.00 - $ 1,184.00
      Current price $ 1,184.00
    • G693 Brass Internal Spur Gear

      Boston Gear
      Original price $ 6,615.00 - Original price $ 6,615.00
      Original price
      $ 6,615.00
      $ 6,615.00 - $ 6,615.00
      Current price $ 6,615.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 6,615.00 - Original price $ 6,615.00
      Original price
      $ 6,615.00
      $ 6,615.00 - $ 6,615.00
      Current price $ 6,615.00
    • YI 2436 Brass Internal Spur Gear

      Boston Gear
      Original price $ 3,472.00 - Original price $ 3,472.00
      Original price
      $ 3,472.00
      $ 3,472.00 - $ 3,472.00
      Current price $ 3,472.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 3,472.00 - Original price $ 3,472.00
      Original price
      $ 3,472.00
      $ 3,472.00 - $ 3,472.00
      Current price $ 3,472.00
    • G689 Brass Internal Spur Gear

      Boston Gear
      Original price $ 4,184.00 - Original price $ 4,184.00
      Original price
      $ 4,184.00
      $ 4,184.00 - $ 4,184.00
      Current price $ 4,184.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 4,184.00 - Original price $ 4,184.00
      Original price
      $ 4,184.00
      $ 4,184.00 - $ 4,184.00
      Current price $ 4,184.00
    • G461Y Brass Miter Gear

      Boston Gear
      Original price $ 487.00 - Original price $ 487.00
      Original price
      $ 487.00
      $ 487.00 - $ 487.00
      Current price $ 487.00

      Boston Miter Gears are designed for the transmission of motion and power between two intersecting shafts positioned at a right angle. Miter Gears a...

      View full details
      Original price $ 487.00 - Original price $ 487.00
      Original price
      $ 487.00
      $ 487.00 - $ 487.00
      Current price $ 487.00
    • G691 Brass Internal Spur Gear

      Boston Gear
      Original price $ 5,311.00 - Original price $ 5,311.00
      Original price
      $ 5,311.00
      $ 5,311.00 - $ 5,311.00
      Current price $ 5,311.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 5,311.00 - Original price $ 5,311.00
      Original price
      $ 5,311.00
      $ 5,311.00 - $ 5,311.00
      Current price $ 5,311.00
    • G692 Brass Internal Spur Gear

      Boston Gear
      Original price $ 5,634.00 - Original price $ 5,634.00
      Original price
      $ 5,634.00
      $ 5,634.00 - $ 5,634.00
      Current price $ 5,634.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 5,634.00 - Original price $ 5,634.00
      Original price
      $ 5,634.00
      $ 5,634.00 - $ 5,634.00
      Current price $ 5,634.00
    • G680 Brass Internal Spur Gear

      Boston Gear
      Original price $ 5,299.00 - Original price $ 5,299.00
      Original price
      $ 5,299.00
      $ 5,299.00 - $ 5,299.00
      Current price $ 5,299.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 5,299.00 - Original price $ 5,299.00
      Original price
      $ 5,299.00
      $ 5,299.00 - $ 5,299.00
      Current price $ 5,299.00
    • G679 Brass Internal Spur Gear

      Boston Gear
      Original price $ 5,195.00 - Original price $ 5,195.00
      Original price
      $ 5,195.00
      $ 5,195.00 - $ 5,195.00
      Current price $ 5,195.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 5,195.00 - Original price $ 5,195.00
      Original price
      $ 5,195.00
      $ 5,195.00 - $ 5,195.00
      Current price $ 5,195.00
    • G670 Brass Internal Spur Gear

      Boston Gear
      Original price $ 6,380.00 - Original price $ 6,380.00
      Original price
      $ 6,380.00
      $ 6,380.00 - $ 6,380.00
      Current price $ 6,380.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 6,380.00 - Original price $ 6,380.00
      Original price
      $ 6,380.00
      $ 6,380.00 - $ 6,380.00
      Current price $ 6,380.00
    • G669 Brass Internal Spur Gear

      Boston Gear
      Original price $ 5,198.00 - Original price $ 5,198.00
      Original price
      $ 5,198.00
      $ 5,198.00 - $ 5,198.00
      Current price $ 5,198.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 5,198.00 - Original price $ 5,198.00
      Original price
      $ 5,198.00
      $ 5,198.00 - $ 5,198.00
      Current price $ 5,198.00
    • G637 Brass Internal Spur Gear

      Boston Gear
      Original price $ 4,523.00 - Original price $ 4,523.00
      Original price
      $ 4,523.00
      $ 4,523.00 - $ 4,523.00
      Current price $ 4,523.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 4,523.00 - Original price $ 4,523.00
      Original price
      $ 4,523.00
      $ 4,523.00 - $ 4,523.00
      Current price $ 4,523.00
    • YI 24144 Brass Internal Spur Gear

      Boston Gear
      Original price $ 6,535.00 - Original price $ 6,535.00
      Original price
      $ 6,535.00
      $ 6,535.00 - $ 6,535.00
      Current price $ 6,535.00

      Boston Gear’s internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diame...

      View full details
      Original price $ 6,535.00 - Original price $ 6,535.00
      Original price
      $ 6,535.00
      $ 6,535.00 - $ 6,535.00
      Current price $ 6,535.00
    • G465Y Brass Miter Gear

      Boston Gear
      Original price $ 848.00 - Original price $ 848.00
      Original price
      $ 848.00
      $ 848.00 - $ 848.00
      Current price $ 848.00

      Boston Miter Gears are designed for the transmission of motion and power between two intersecting shafts positioned at a right angle. Miter Gears a...

      View full details
      Original price $ 848.00 - Original price $ 848.00
      Original price
      $ 848.00
      $ 848.00 - $ 848.00
      Current price $ 848.00
    • G45 Brass Pinion Wire

      Boston Gear
      Original price $ 4,009.00 - Original price $ 4,009.00
      Original price
      $ 4,009.00
      $ 4,009.00 - $ 4,009.00
      Current price $ 4,009.00

      Documentation  Catalog Product Section  Engineering Data  Full Catalog  ISO Certificate

      Original price $ 4,009.00 - Original price $ 4,009.00
      Original price
      $ 4,009.00
      $ 4,009.00 - $ 4,009.00
      Current price $ 4,009.00
    • G39 Brass Pinion Wire

      Boston Gear
      Original price $ 2,150.00 - Original price $ 2,150.00
      Original price
      $ 2,150.00
      $ 2,150.00 - $ 2,150.00
      Current price $ 2,150.00

      Documentation  Catalog Product Section  Engineering Data  Full Catalog  ISO Certificate

      Original price $ 2,150.00 - Original price $ 2,150.00
      Original price
      $ 2,150.00
      $ 2,150.00 - $ 2,150.00
      Current price $ 2,150.00
    • G40 Brass Pinion Wire

      Boston Gear
      Original price $ 2,150.00 - Original price $ 2,150.00
      Original price
      $ 2,150.00
      $ 2,150.00 - $ 2,150.00
      Current price $ 2,150.00

      Documentation  Catalog Product Section  Engineering Data  Full Catalog  ISO Certificate

      Original price $ 2,150.00 - Original price $ 2,150.00
      Original price
      $ 2,150.00
      $ 2,150.00 - $ 2,150.00
      Current price $ 2,150.00