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This 25B21 plastic sprocket is manufactured out of high quality Nylatron GS-51 plastic. The sprocket has 21 teeth, features a 3/8" stock bore, and is dark grey to black in color. Our 25B21 plastic sprockets are extremely light weight, anti-corrosive, and are manufactured to ANSI specifications. If a different bore size is needed, we can machine re-bore the sprocket to the desired size. To get a quote or additional information please contact us and we will be happy to assist you.

25B21 Sprocket Dimensions


  • Sprocket Size: 25B21
  • Material: Nylatron
  • Pitch Diameter: 1.68"
  • Stock Bore: 3/8"
  • Hub Diameter: 1-5/32"
  • Length Thru Bore: 0.485"

Feature

  • High-quality Plastic Sprocket
  • Extremely Corrosion Resistant
  • Made to ANSI Specifications
Featured image
  • Sprocket Size: 25B21
  • Material: Nylatron
  • Pitch Diameter: 1.68"
  • Stock Bore: 3/8"
  • Hub Diameter: 1-5/32"
  • Length Thru Bore: 0.485"