Standard Gear TypeDiametral PitchPitch DiameterFace Width Max
Spur Gears - Hobbed8 - 2008.00" - .125"10.00"
Spur Gears - Shaped (External)16 - 964.00" - .250"1.500"
Spur Gears - Shaped (Internal)24 - 963.00" - .375"1.00"
Helical Gears - Hobbed8 - 2008.00" - .125"10.00"
Bevel / Miter Gears12 - 964.00" - .250".500"
Timing Pulleys1/2 - .0808.00" - .250"10.00"
Worms - Hobbed, Milled
(Single, Double, Triple or Quad Threads)
12 - 962.00" - .125"10.00"
Worm Gears - Throated12 - 2006.00" - .125"NA
Sector / Segmented Gears8 - 2008.00" - .500"10.00"
Ladder Chain Sprockets.353 - .1858.00" - .500"10.00"
Sprockets6 - .6258.00" - .500"10.00"
Metric Gear TypeModule (Pitch)Pitch DiameterFace Width Max
Spur Gears - Hobbed3 - .25200 mm - 3 mm250 mm
Spur Gears - Shaped (External)1 - .25100 mm - 6 mm40 mm
Spur Gears - Shaped (Internal)1 - .2575 mm - 9 mm25 mm
Helical Gears - Hobbed3 - .25200 mm - 3 mm250 mm
Bevel / Miter Gears1 - .25100 mm - 6 mm12.7 mm
Timing Pulleys8 mm - 2 mm200 mm - 6 mm250 mm
Worms - Hobbed, Milled
(Single, Double, Triple or Quad Threads)
3 - .2550 mm - 3 mm250 mm
Worm Gears - Throated3 - .25150 mm - 3 mmNA
Sector / Segmented Gears3 - .25200 mm - 12 mm250 mm