Shape Adaptive Grinding Technology

Surface
Finishing
Perfected.

SAG-Tek delivers precision polishing through SAG technology — controlled material removal, mirror-grade finishes, and repeatable results across the most complex geometries. Made in the UK.

Ra < 0.01SURFACE ROUGHNESS (μm)
± 0.02μmREPEATABILITY
60% FASTERTIME VS MANUAL POLISHING
8-AXISCOMPLEX GEOMETRY SUPPORT

From Rough
to Mirror

SAG technology conforms elastically to the workpiece surface, delivering uniform contact pressure across freeform geometry.

Surface Quality

Consistent, high-grade finishes on any geometry

Repeatability

Uniform output across every production run

Efficiency

Reduced cycle time, zero manual rework

View More Results

Real production examples and case studies.

Before polishing
Before
Machined Surface
After polishing
After
SAG Polished Finish
Mirror Finish
Before polishing
Before
Machined Surface
After polishing
After
SAG Polished Finish
Mirror Finish
Before polishing
Before
Machined Surface
After polishing
After
SAG Polished Finish
Mirror Finish
Surface Quality
High-grade, consistent finish
Repeatability
Uniform across geometries
Efficiency
60% faster than manual

Products

Robot Polishing Cell
Automated System

Robot Polishing Cell

A fully automated robotic polishing cell built around SAG technology. Designed for high-volume precision components, the RPC delivers consistent, operator-independent surface finish across every production run, cutting cycle times by up to 60% versus manual polishing.

View RPC Details
SAG Precision Tools
Tooling

Precision SAG Tools

Resin and nickel-bonded diamond tools engineered for Shape Adaptive Grinding. Available in teardrop, bonnet, disc, drum and cap geometries to match any component profile, from optical surfaces to aerospace mould tools.

Browse Tool Range
Process Development & Manufacturing Optimisation
Engineering Solution

Process Development & Optimisation

Complete manufacturing process development tailored to your component and production requirements. From tooling selection and parameter optimisation to cycle-time reduction and surface finish validation, SAG-Tek delivers a fully engineered production-ready solution without the need for in-house process development.

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CAD/CAM Software Suite
Software Platform

CAD/CAM Software Suite

Generate manufacturing toolpaths, simulate machine operations, validate safety, and deploy controller-ready programs from a unified offline manufacturing environment.

Explore Software Solution

See our Products in Action?

Book a live demonstration with one of our engineers.

Request a Demo

Trusted by Industry Leaders

Dr. John Smith

Dr. John Smith

Senior Engineer, Aerospace Ltd

Significantly reduced polishing time while improving surface consistency.

Priya Mehta

Priya Mehta

Manufacturing Lead, PrecisionTech

RPC transformed our finishing workflow and reduced manual intervention.

Michael Bauer

Michael Bauer

R&D Specialist, AutoForm GmbH

Consistent results across complex geometries that were previously difficult to achieve.

David Lee

David Lee

Production Manager, MetalWorks Inc

Cycle times dropped while maintaining exceptional surface quality.