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Machine Tool Slideways - Tyzack Machine Knives
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Tyzack Machine Knives

Machine Tool Slideways

The ultimate in manufacturing precision

Tyzack Machine Knives meet the tightest of tolerances required by high end, heavy duty machine tools. They are the pinnacle of dimensional control and surface finish in the most demanding applications.

  • Manufactured from the finest AISI A4 tool steel.
  • Extensive stocks of raw material provide short lead times.
  • Uniformly through hardened heat treated to HRc 60 +- 2HRc
  • Maximum dimensional stability.
  • Ultimate shock and vibration absorption compared to linear track systems.
  • Complete homogeneity and uniform mass.
  • Complex sections considered.

Download our ULTIMAX Slideways brochure

ULTIMAX Through Hardened Slideways

Raw Material Through Hardened A.I.S.I. A4 Grade 425
Hardness Through Hardened 58-62 HRc


Specification Metric Imperial
Maximum Length Individual Piece 4500mm 177″
Parallelism 0.005mm 0.0002″
Surface Finish 0.4-0.8mmR a 16-32 micro inches CLA
(in free state)
Face Bow
Edge Bow
Squareness 0.005mm/100mm 0.0002″/4″
Angularity 0.013 0.0005″
Tenons Parallelism to edge 0.005mm 0.0002″
Holes Position from Datum
(Drilled in the hard)
Butt Ground in sets Maximum Step at Joints 0.005mm 0.0002″


Our extensive machining capability enables us to offer precision-engineered products from large and small scale batches to low volume and one-off components across a wide range of industries and applications. Accredited to the highest standards we are accustomed to working to rigorous specifications for customers demanding exceptionally precise engineering for high value and safety critical applications.

Our 5,000 square metre machining facility is a new build to world class standards and comprises state of the art CNC milling machines, lathes, vertical borers, elga mills and assembly operations that complement our heavy and medium fabrication and welding capabilities.

Our quality control system ensures reliability, accuracy and repeatability of all the machined components we produce.

Joanne Gibson

Sales Office Manager
Phone: +44 (0) 114 221 1166
Email: joanne.gibson@tyzack.com

Andrew Priestley

Sales Manager
Phone: +44 (0) 114 221 1082
Mobile: +44 (0) 753 470 0909
Email: andrew.priestley@tyzack.com

David Doman

Product Manager
Phone: +44 (0) 114 221 1080
Mobile: +44 (0) 7432 723 784
Email: david.doman@tyzack.com

Andy Wake

Phone: +44 (0) 114 221 1165
Mobile: +44 (0) 7884 310 702
Email: andy.wake@tyzack.com