Stock Pre-Bored

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)

3M Pitch (3 mm)

5M Pitch (5 mm)

8M Pitch (8 mm)

14M Pitch (14 mm)

20M Pitch (20 mm)

Part Number Example:

8M56X85.1-1/2

56 = No. Teeth

8M = 8 mm Pitch

M = HTD Tooth

85 = 85 mm Belt Width

1-1/2 = 1.5 inch Bore with Standard Keyway and two Setscrews if Hub Type

PDF - PulleyTimingHTDBoredToSize.pdf