Proline angle grinder diamond blade 89438, 180 mm diameter, 22.2 mm bore

Proline angle grinder diamond blade 89438, 180 mm diameter, 22.2 mm bore is a single-piece diamond cutting disc designed for use with angle grinders that have a 22.2 mm arbor. It is intended for cutting masonry, concrete, tiles and other hard construction materials, providing fast, precise cuts without excessive chipping when used correctly.

Advantages

The double-segment diamond rim design balances cutting speed and durability, allowing efficient material removal while maintaining cutting accuracy. Its 180 mm diameter offers a compromise between reach and maneuverability, and the standard 22.2 mm bore ensures compatibility with most angle grinders. The single-piece construction reduces vibration and improves stability during cuts.

Suitable for

• Cutting concrete and masonry blocks
• Trimming and cutting ceramic and porcelain tiles
• Working on granite and marble in light fabrication tasks
• General on-site construction cutting and renovation work

When it may not be suitable

This blade is not intended for use on soft metals, wood or plastic; using it on inappropriate materials will shorten blade life and can create unsafe conditions. For very fine polishing or precision stone profiling, a dedicated polishing pad or continuous-rim blade is more appropriate.

Key specifications

• Diameter: 180 mm
• Arbor bore: 22.2 mm
• Segment type: double diamond segments
• Construction: single-piece steel core with diamond segments
• Primary use: dry or wet cutting of hard construction materials

How to use

Mount the blade securely on an angle grinder with a 22.2 mm arbor following the tool manufacturer’s instructions. Use appropriate personal protective equipment including eye, ear and respiratory protection. For best results, maintain steady, even feed pressure and avoid forcing the blade; allow the diamond segments to cut at their own rate. Use water cooling where recommended for dust reduction and extended blade life, and stop periodically to check blade condition.

What to consider before purchase

• Ensure your angle grinder accepts a 180 mm diameter blade and a 22.2 mm arbor bore.
• Confirm the blade type (double-segment diamond rim) matches your cutting needs—fast cutting vs. fine finishing.
• Decide whether you require wet or dry cutting capability based on your worksite and dust control needs.

Usage recommendations

For safe, effective performance when cutting concrete, tiles or masonry, use consistent feed pressure, wear suitable PPE, and consider wet cutting on dense materials to reduce dust and extend blade life.