The Peterson HTD pulley is a High Torque Drive pulley CNC machined from billet aircraft aluminum and hard coat anodized for added surface durability. This 18-tooth HTD pulley is 1.020 inches wide with a 1" bore and a 1/8" keyway, and it uses an 8mm pitch. It’s specified for installations that require a robust, machined HTD pulley in that tooth count and bore size.
Peterson Fluid Systems HTD Pulley 18 Tooth 1 Wide 1 ID