20DP Gears

$12.00 – $22.00

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20 DP gears are the most common gears used in FIRST Robotics Competition gearboxes. Want to replace one of your existing gears? Building a custom gearbox? This page is a hub for all of our standard...Read More

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Product Overview

20 DP gears are the most common gears used in FIRST Robotics Competition gearboxes. Want to replace one of your existing gears? Building a custom gearbox? This page is a hub for all of our standard width, symmetrical 3/8 hex and 1/2 inch hex bore 20 DP gears.

Check out our other 20 DP Gear pages for Pinion Gears and Shifting Gears and other special gears like those for the Toughbox line.

Part NumberTooth CountBoreOutside Dia (in.)Pitch Dia (in.)Weight (lb)
am-3484140.375 in. Hex0.800.700.03
am-3534180.375 in. Hex1.000.900.05
am-4212180.500 in. Hex1.000.900.05
am-4213200.500 in. Hex1.101.000.06
am-3820200.375 in. Hex1.101.000.07
am-3485240.375 in. Hex1.301.200.11
am-4214240.500 in. Hex1.301.200.11
am-3535250.500 in. Hex1.351.250.11
am-3536300.375 in. Hex1.601.500.11
am-4215300.500 in. Hex1.601.500.11
am-3815320.500 in. Hex1.701.600.11
am-3537340.375 in. Hex1.801.700.13
am-4186350.375 in. Hex1.851.750.14
am-3486350.500 in. Hex1.851.750.15
am-3816360.500 in. Hex1.901.800.15
am-3538380.375 in. Hex2.001.900.15
am-3976400.375 in. Hex2.102.000.17
am-3487400.500 in. Hex2.102.000.18
am-3819460.500 in. Hex2.402.300.19
am-3488500.500 in. Hex2.602.500.25
am-3821520.500 in. Hex2.702.600.23
am-3822560.500 in. Hex2.902.800.27

Specifications

  • Bore: 0.501-0.507 in. Hex, 0.376-0.381 in. Hex
  • Diamnetral Pitch: 20
  • Face Width: 0.375 in.
  • Finish: Zinc Plated
  • Material: 4140 Steel
  • Width: 0.500 in.

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