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20 DP, 3/8" Hex Bore Gears (16 Choices)

As low as $10.99
In stock
Compatible with
products and accessories.
FTC, FRC legal.

VEXpro offers an assortment of gear types, chosen to provide the greatest versatility of gearing options to users. Our sizes were specifically chosen to provide a wide spread of ratio options useful for robot designers. Larger size VEXpro gears are available so designers can accomplish their entire reduction in a single stage where otherwise they would have used more than one!

All VEXpro gears are 20 DP with 14.5 degree pressure angle, and have the same overall width -- this means it is easy to interchange VEXpro gears in your design to change a ratio without modifying the overall system; true versatility.

  • 3/8" hex bores for use on hex shafts
  • Made from 7075-T6 aluminum with a teflon infused ceramic coating or 4140 Steel with a black nitride finish
  • Overall width 0.500"
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Gear Type Tooth Count Gear SKU Configure
3/8" Hex Bore
Spur Gears
(no VersaKeys)		 14T 14T Steel Spur Gear (20 DP, 3/8" Hex Bore) 217-3100 Select
14T 14T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) 217-2699 Select
16T 16T Steel Spur Gear (20 DP, 3/8" Hex Bore) 217-5451 Select
16T 16T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) 217-5450 Select
18T 18T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) 217-3208 Select
20T 20T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) 217-2701 Select
22T 22T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) 217-5452 Select
24T 24T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) 217-2703 Select
26T 26T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) 217-5453 Select
28T 28T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) 217-5454 Select
32T 32T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) 217-5455 Select
38T 38T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) 217-5456 Select
44T 44T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) 217-5457 Select
46T 46T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) 217-5458 Select
50T 50T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) 217-3571 Select
52T 52T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) 217-5459 Select

Can't tell a 40T gear from a 42T, but don't want to count the teeth? The VEXpro Gear Reference guide contains 1:1 outlines of all VEXpro gears for quick identification.

Click here to download the VEXpro Gear Reference Guide. Note: Calibrate your printer scaling by printing the first page and checking the 1" line in the bottom right.

Or use the West Coast Products Gear Calculator to ensure your robot is properly designed and you know exactly what to order!


3/8" Hex Bore Spur Gears (no VersaKeys)

  • 14T Steel Spur Gear (20 DP, 3/8" Hex Bore) (217-3100) - 0.038 lb
  • 14T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) (217-2699) - 0.017 lb
  • 16T Steel Spur Gear (20 DP, 3/8" Hex Bore) (217-5451) - 0.049 lb
  • 16T Aluminum Spur Gear (20 DP, 3/8" Hex Bore (217-5450) - 0.02 lb
  • 18T Aluminum Spur Gear (20 DP, 3/8" Hex Bore (217-3208) - 0.03 lb
  • 20T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) (217-2701) - 0.036 lb
  • 22T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) (217-5452) - 0.039 lb
  • 24T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) (217-2703) - 0.053 lb
  • 26T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) (217-5453) - 0.057 lb
  • 28T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) (217-5454) - 0.067 lb
  • 32T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) (217-5455) - 0.071 lb
  • 38T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) (217-5456) - 0.103 lb
  • 44T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) (217-5457) - 0.139 lb
  • 46T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) (217-5458) - 0.153 lb
  • 50T Aluminum Spur Gear (20 DP, 3/8" Hex Bore (217-3571) - 0.18 lb
  • 52T Aluminum Spur Gear (20 DP, 3/8" Hex Bore) (217-5459) - 0.196 lb
  • Diametral Pitch: 20 DP

  • Pressure Angle: 14.5 Degrees

  • Gear Quality: AGMA 11

  • Face Width:
    Gears 24T or smaller - 0.475"
    Gears 30T or larger - 0.375"

  • Overall Width: 0.500"

    VEXpro gears require lubrication. We recommend white lithium grease.

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