Gears: Precision, commercial, inch, and metric sizes
When making a spur gear the gear teeth are cut on the outside of a gear blank while internal gears are made by cutting gear teeth on the inside diameter of a gear blank. SDP/SI offers gear blanks as well as standard gears that are available in a wide range of teeth, bore sizes and pitches. Buy Now (inch & metric) PDF (inch) PDF (metric)
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