Steel Racks Racks can be supplied modified to enable easy mounting by addition of plain or tapped holes. Height to Pitch Line hp Pitch Module Cross+Morse standard gear racks are manufactured in medium carbon steel suitable for induction or flame hardening if required. The spur racks are precision machined with 20 degree pressure angle, and to be completely compatible with standard range ofspur gears have identical face width. The designer is free to select any combination of standard spur gear and rack of same pitch to obtain ”off the shelf ” rack and pinion sets. These provide the ideal method to convert rotary into linear motion for table drives etc. or linear to rotary motion as in feeds. In addition to the standard range of racks special constructions can be provided with pitch size up to 16 mod. Steel Racks