L Pitch

Stock Pre-Bored with Standard Keyway

A stocked pre-Bored Pulley includes a Standard Bore to h8 Tolerance Plus (if a hub) a Standard Keyway and two standard set screw over keyway and at 90º (Unless indicated differently)

If a standard bore size is not in stock the cost to Bore Keyway and setscrew is $110 (large heavy pulley may be slightly more)

L Pitch (3/8 inch)

Part Number Example:

30L100.20

30 = No. Teeth

L = 3/8 inch Pitch

100 = 1.00 Inch Belt Width

20=20mm Bore with standard Keway.
PDF - PulleyTimingAmericanStandardMXL-XHBoredToSize.pdf