GPX Series Advanced Grinder/Polishers


New Bowl Design

New Bowl Design Makes Clean-Up Easy

Metallographic Consumables

High-quality metallographic consumables from LECO are specially formulated to meet your laboratory needs


Convenience, flexibility, and quality—an all-in-one, easy-to-use system. The GPX delivers smoother, flatter samples and works in almost any environment. Whatever your grinding or polishing need may be, the GPX has you covered.

GPX models are configured to match the demands of your laboratory with available options, that expand versatility.


Features and Benefits:

  • Advanced bowl/drain design features automatic bowl flush for easier clean-up
  • Built-in splash ring traps material and fluid within the work area, reducing clean-up time
  • Selecting pre-determined methods is easy with the touch-screen keypad and selector. Step-by-step applications guide you through the entire process
  • 200mm to 300 mm wheel base
  • 3/4 HP or 2 HP variable-speed AC drives
  • GPX polishing head (standard) accepts single or fixed specimen holders


LECO’s versatile instrumentation can be used to perform a wide range of applications. Please find below a selection of application notes for the most popular applications. Contact our sales and application specialists for more details.

Metallographic Preparation

Fastick System with SiC Grinding. Ref: 203-821-461Learn more...

Metallographic Preparation

Fastick System with CAMEO Grinding. Ref: 203-821-460Learn more...

Metallographic Preparation

CAMEO Metallographic Procedure for Case Depth SamplesLearn more...

Metallographic Preparation

Cost Effective and Efficient Method for Grinding and Polishing Low- to Very-Hard Carbon Steel Samples For Metallographic AnalysisLearn more...

Metallographic Preparation

Improved Method for Grinding and Polishing Cemented Carbide (WC-Co) For Metallographic Analysis Utilizing LeStar Polishing FilmLearn more...

Metallographic Preparation

Manual Preparation of Samples Using the CAMEO Magnetic Disc SystemLearn more...

Metallographic Preparation

CAMEO Magnetic Disc Application for Automatic Grinders/PolishersLearn more...

Metallographic Preparation

A Simple Mounting Technique Ensures Exact Measurements of Opaque CoatingsLearn more...

Metallographic Preparation

Metallographic Preparation of Ceramic and Cermet MaterialsLearn more...

Metallographic Preparation

Revealing Delta Ferrite in Martensitic Stainless SteelsLearn more...

Options & models


Various options are available for this product. Contact our sales and application specialists to select the right configuration for your application.
FD100 Fluid Dispenser Optional GPX dispenser holds up to 4 bottles with peristaltic operation, flush, and stirring capabilities to ensure proper dispensing of slurries.


Each instrument can be configured to meet your individual lab needs. Contact our sales and application specialists to select the right configuration for your application.
GPX200 200 to 250 mm wheel base and 3/4 HP AC drive
GPX300 250 to 300 mm wheel base and 2 HP AC drive