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STI Diamond Systems

STI is very proud of its 20 years of experience in supplying the grinding and polishing industries.

These simple and reliable Diamond Systems are a product of our experiences — good and bad — and represent the pinnacle of grinding and polishing simplicity.

The STI Diamond Systems deliver consistent wear, performance, and results when you use any model of Prep/Master® to drive these brilliantly simple systems.


Concrete Prep

Concrete Polishing

Concrete Prep

Dry Polishing EGT Diamond System

Wet Polishing PMW Diamond System

Wet & Dry Polishing STI Classic (CLC) Diamond System

Terrazzo Planetary Marble & Terrazzo
Terrazzo (TPS) Diamond System PLP Diamond System Marble & Terrazzo Restoration System

Contact Information

Substrate Technology, Inc.
1384 Bungalow Rd.
Morris, Illinois 60450

+1.815.941.4600 Fax