Halifax Rack and Screw Cutting Co Ltd


Precision gear racks have longer in service lives, smoother performance characteristics and more accurate pitch control than other machining techniques.

HRS can machine in straight gears, spur and helical gears with tooth forms up to 45 degrees, with a 450 mm / 17.75 inch face width and height and up to 12metres / 40 foot long.

HRS utilises specialist dedicated CNC rack cutting machines to ensure highest accuracy up to AGMA class 10 spacing tolerances.

Lead and Power Screws

HRS manufactures all types of screws, using performance guaranteed materials and offer unique solutions to power transmission problems.

All screws are cut from performance guaranteed materials.

All screws are subject to stringent quality controls.

All screws are cut rather than rolled resulting in:

  • Greater accuracy.
  • A greater precision fit with mating nuts.
  • The thread is concentric with major diameter.
  • Superior control of cumulative pitch accuracy.
Lead and Power Screws


HRS supply gear pinions to integrate precisely into our gear rack creating a single integrated component from a single source supply.

HRS can perform customisation of the rack and pinion configuration to any customer application to ensure strict quality control and high system performance.



With a wide range of modern CNC machines and a highly skilled workforce HRS can manufacture virtually any nut configuration to exactly match any screw produced working in Steel, Bronze, Plastic or Exotic alloy.

HRS can manufacture high tolerance and safety critical parts where quality and specification compliance is essential.


Machined Parts

The installed machine base and the highly skilled work force gives HRS the capability to produce machined parts for customers offering a one-stop shop.

  • Worms and Wormwheels
  • Safety nut assemblies
  • Wear strips
  • Turned parts
  • Shafts and Splines
  • Machining Centre parts
Machined Parts

Raw Material Stocking Program

Our raw material stocking program allows for many benefits to our customers including:

  • With the ever-increasing cost of steel, we have been able to achieve real savings for our customers by negotiating fixed price annual contracts with steel suppliers to ensure a peace of mind for the purchase department.
  • Fast delivery times
  • Quick turn rounds on prototypes.
Raw Material Stocking Program

Heat Treatment and Finishing

HRS can ensure that all materials are heat treated and finished to the customer’s specifications including:

  • Heat Treatment
  • Black Oxide
  • Zinc Plating
  • Bright Nickel Plating
  • JS 500
  • Painted
  • Any other corrosion resistance coating
Heat Treatment and Finishing

Cost Reduction Programmes

The increasing demand by customers to reduce cost has lead HRS to focus on continuous improvement programs. We have worked with several customers on design and best methods to give year on year reductions.

  • Outsourcing of associated products to provide a one-stop shop fulfilling all customer requirements.
  • Networked warehousing facilities – North America only.
  • Manufacturing to UK, USA and European sizes and standards.
  • Stock of standard size racks and screws are held for immediate delivery.
  • Sales, quality control and technical support ensuring that all products meet our customer’s requirements and expectations.
Cost Reduction Programmes
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