Need a backing pad for your STI Prep/Master grinder to run resin diamond polishing pads? This holder is made for that job.

It fits compatible STI Prep/Master machines and is used to mount resin polishing pads for concrete floor polishing, scratch refinement, and surface finishing. This is a practical accessory when you want to move from metal grinding steps into resin polishing stages using the correct pad support.

The backing pad provides the base needed to attach resin diamond polishing pads securely, helping keep pad changes simple and polishing setup more organized. It is suitable for contractors using STI Prep/Master equipment who need a matching holder for resin pad work rather than metal grinding tools.

Before ordering, please confirm your machine uses the STI Prep/Master compatible plate format and check the pad size and attachment style you want to run.

FAQ

Q1: What is this backing pad used for?

It is used to hold resin diamond polishing pads on a compatible STI Prep/Master grinder.

Q2: Is this for metal bond grinding tools?

No. This item is a backing pad for resin polishing pads, not a metal bond grinding disc.

Q3: What kind of work is it suitable for?

It is suitable for concrete floor polishing, scratch refinement, and finishing steps after grinding.

Q4: Why do I need a backing pad for resin pads?

The backing pad provides the correct support and attachment base so resin polishing pads can be mounted and used properly on the machine.

Q5: What should I confirm before ordering?

Please confirm the STI Prep/Master compatibility, the required pad diameter, and the pad attachment style before purchase.