20 Deg PA 12DP Steel Hubbed Spur Gears. PCD in mm = No. of Teeth x 2.117 (1/12 in.). 20 Degree Pressure Angle. DP stands for Diametrical Pitch and is an imperial measurement system.

• There are more items available in this range than currently listed. Please enquire if you have special requirements. Expanded range includes hardened gears, stainless steel, antibacklash, and special bore sizes.
• Be sure to match the pitch type and tooth angle when selecting spur gears.
• An expanded range may be available on special order. Please enquire.
• The diameter increases by 1 inch for every 12 teeth
• 12 Diametrical Pitch. Approx 6.65mm between the teeth.