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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
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