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Centerless Grinding Services

Our centerless grinding service is carried out by our technicians to ISO 9001:2015 Certified standards.

Our centerless grinding services provide our customers with finished precision ground parts.

Our precision centerless grinding department has both thru-feed and infeed grinders. Both grinding processes are capable of holding high accuracy diametrical tolerances.

If your part diameters require close tolerances and smooth finishes, contact our customer service team and see if you can benefit from our grinding service.

Our Services


Bar Grinding

High precision centerless grinding and polishing for metal rods and bars longer than 12″ and from .062″ to 6″ in diameter.

centerless grinding

Infeed Grinding

Infeed grinding allows Wisconsin Metal Tech to grind complex metal parts requiring multiple diameters and profiles to be ground in one run.

thrufeed grinding

Thru-feed Grinding

Thru-feed grinding from Wisconsin Metal Tech is cost effective and offers the shortest lead times while maintaining consistently high quality.

Centerless Grinding Applications

  • Axles
  • Balls
  • Bearings
  • Bolts
  • Bushings
  • Camshafts
  • Carbide Rods
  • Compressor Shafts
  • Copy Rollers
  • Cylinders
  • Drills
  • Gear Shafts and Hubs
  • Injector Needles
  • Injector Plungers and Bodies
  • Isolators
  • Motor Shafts
  • Needles
  • Pins
  • Piston Pins
  • Pivots
  • Rotors
  • Shafts
  • Small Crankshafts
  • Spools
  • Tubes
  • Valve Lifters
  • Valve Stems
  • Other applications provided by WI Metal Tech


Customers will experience numerous benefits from selecting Wisconsin Metal Tech as their supply partner, such as:

  • Little Work Deflection: Centerless grinding imposes no axial thrust on the part being machined, making it possible to grind long pieces of brittle material as well as distorted parts.
  • Ease of Automation: Workpieces are easier to automate leaving little downtime and providing consistent accuracy.
  • Lower Cycle Times: Loading parts is fast, simple, and hassle free as they can be fed to the grinding machine automatically.
  • Finishes: Our service provides smoother surface finishes, and excellent roundness and straightness for machined parts
  • Less Stock Needed: The error of centering is eliminated resulting in less stock needed and an extended wheel life and yield
  • Other advantages provided by WI Metal Tech. Our qualified technicians can handle any project.

Centerless Grinding Materials

WMT machines a wide variety of materials, including:

  • Plastics
  • Aluminums
  • Cast materials
  • Tool steels
  • Brasses
  • Glass
  • Wood
  • Alloy Steels
  • Other materials provided by WI Metal Tech


Our centerless grinding technicians take the time needed to produce quality parts with finishes that satisfy our customer needs. These finishes include:

  • As milled
  • Polishing
  • Grinding
  • Honed surfaces
  • Custom
  • Other finishes provided by WI Metal Tech

We’re a modern, ISO 9001:2015 Certified, fully equiped machine shop dedicated to your success.

If you need an experienced Centerless Grinding supplier who will give you quick turnaround times and on-time delivery on the quality machined products then you should be talking to us.