SALI 5pcs Diamond Concrete Grinding Wheel 4.5in - Fast Material

In this review of the SALI 5pcs diamond concrete grinding wheel set the bottom line is simple: this kit is for homeowners, contractors, and tile or masonry renovators who need a compact 4.5in cup wheel that removes material quickly and holds up under repeated use. The reviewer found the set most valuable for smoothing uneven concrete or removing thinset and tile adhesive because the double row segmented cup design and brazed diamond segments deliver steady material removal without excessive glazing, and the air hole layout helps keep the wheel cooler during extended wet or dry work.

Key Features

• Complete 5pc set: Five 115mm 4.5in wheels in the package give enough spares for multiple small to medium jobs without stopping to replace a worn cup.
• Multiple adapters: Six adapters included (three 20mm and three 16mm) make the wheels compatible with common angle grinder arbors for quick setup.
• Turbo segmented design: Double row segmented diamond cup wheel lets the disc grind concrete, marble, granite and thinset efficiently while maintaining edge life.
• Air hole cooling: Holes in the wheel pattern improve airflow to reduce heat buildup and slow wear during heavy dry or wet grinding.
• Durable construction: Made from 65Mn steel with diamond and metal powder brazed into segments, the wheel balances durability and grind speed for routine surface prep.

Who It's For

This set suits DIYers and professionals who work with concrete, tile, marble, granite or masonry and need a compact 4.5in cup wheel for an angle grinder to smooth surfaces, remove flashing, or strip adhesives. It is especially useful on renovation tasks such as tile removal or leveling small patches of concrete where a full-size floor grinder is impractical.

Those who should look elsewhere include installers who need continuous, high-production floor grinding for large slabs, where larger dedicated grinders and specialty resin-bond discs deliver faster coverage and lower dust generation over many hours.

Pros & Cons

Pros

• Fast and effective material removal on concrete, tile and thinset with a smooth finish.
• Good value: five wheels plus adapters cover several jobs before replacements are needed.
• Durable segmented, brazed construction that holds up under repeated use and wet or dry conditions.

Cons

• Can generate noticeable dust during aggressive dry grinding, so proper PPE and dust control are required.

Specifications

Diameter	115mm (4.5in)
Arbor diameter	22.23mm (7/8in)
Segment width	20mm (0.787in)
Adapters included	Six (three 20mm, three 16mm 5/8in)
Construction	65Mn steel with diamond and metal powder, brazed double row segments
Use	Wet or dry grinding on concrete, stone, marble, granite, tile, thinset

Our Verdict

The SALI 5pcs diamond grinding wheel set is a practical, cost-effective choice for anyone doing spot concrete or tile removal and surface prep with an angle grinder. It offers quality construction, useful adapters for compatibility, and strong material removal for its size, making it a good value for small to medium renovation projects.

Frequently Asked Questions

Can these wheels be used wet and dry?
Yes. The wheels are designed for both wet and dry grinding, though wet use will reduce dust and heat.

Will the included adapters fit my grinder?
The kit includes three 20mm and three 16mm (5/8in) adapters and fits most 4.5in angle grinders with a 7/8in arbor via the 22.23mm hole.

Are these suitable for removing tile adhesive and thinset?
Yes. Customers report good results removing thinset and adhesives when using the turbo segmented cup on an angle grinder.