Best Multi Tool Blade For Plaster: Top 6 Picks

Richard Shafer | 30-01-2026

Cutting or removing plaster, grout, or mortar can quickly become a messy and frustrating task without the right blade. Many standard blades dull quickly, struggle with tough materials, or simply can’t reach into tight corners, leading to wasted time and uneven results.

This guide highlights the best multi tool blades for plaster, focusing on durability, compatibility, and real-world versatility. Whether you’re tackling bathroom renovations, tile work, or general repairs, you’ll find clear comparisons and practical advice to help you select the right blade for your needs.

Editor's Choice
EZARC Diamond Oscillating Blade Flush Cutting
EZARC Diamond Oscillating Blade Flush Cutting
Premium Pick
LEILUO 6Pcs Diamond Multi Tool Blades Kit
LEILUO 6Pcs Diamond Multi Tool Blades Kit
Budget Pick
EZARC Obsidian Carbide Oscillating Saw Blades
EZARC Obsidian Carbide Oscillating Saw Blades

Our Top 6 Best Multi Tool Blade For Plaster Reviewed

After hands-on research and detailed comparisons, these Multi Tool Blade For Plaster products stood out as the most dependable choices.

1. EZARC Diamond Oscillating Blade Flush Cutting

Best for Clean, Precise Cuts
EZARC Diamond Oscillating Blade Flush Cutting

Removing plaster, grout, or mortar often leads to rough edges and uneven finishes, especially with standard blades. A specialized diamond blade ensures a cleaner, more controlled cut, reducing the risk of damaging surrounding materials.

The EZARC Diamond Oscillating Blade stands out for its long-lasting diamond edge, making it a strong choice for anyone focused on precision and durability. It's ideal for home renovators and DIYers who want professional-looking results without constant blade changes.

  • Diamond cutting edge delivers up to 5x longer life than carbide grit blades, minimizing replacements
  • 1/16 inch kerf enables clean, accurate cuts, especially in tight spaces and corners
  • Universal fitment with included adapters suits most major oscillating multi-tool brands

Compared to basic carbide blades, this model prioritizes clean, flush cuts and extended lifespan. The tradeoff is that it may cost more upfront, but it pays off in reduced blade changes and improved finish quality.

Strength
  • Long-lasting diamond edge
  • Clean, precise cutting
  • Works in corners and edges
  • Universal tool compatibility
  • Includes adapters
Weakness
  • Higher initial cost
  • Not for Starlock tools

2. LEILUO 6Pcs Diamond Multi Tool Blades Kit

Best Multi-Blade Variety Pack
LEILUO 6Pcs Diamond Multi Tool Blades Kit

Tackling a range of plaster, grout, or mortar jobs often requires more than one blade type. Many users struggle with blades that are either too thick for narrow gaps or not robust enough for larger surfaces.

The LEILUO 6Pcs Diamond Multi Tool Blades Kit offers both flat and crescent-shaped blades, making it a flexible option for those handling varied renovation tasks. It's especially useful for homeowners or contractors who want a ready-to-go assortment for different scenarios.

  • Flat and crescent blade mix covers both narrow gap access and general surface work
  • Diamond grit edge ensures effective grout removal and plaster cutting
  • Wide compatibility fits most quick-release and non-quick-release oscillating tools

Unlike single-blade packs, this kit prioritizes versatility and value. The main tradeoff is that it does not support Starlock systems and some Dremel models require an adapter.

Strength
  • Includes 6 blades
  • Flat and crescent shapes
  • Diamond grit for tough jobs
  • Fits most tool brands
  • Good for varied renovations
Weakness
  • Not Starlock compatible
  • Adapter needed for some Dremel tools

3. EZARC Obsidian Carbide Oscillating Saw Blades

Best for Multi-Material Versatility
EZARC Obsidian Carbide Oscillating Saw Blades

When a project involves more than just plaster—like wood, metal, or drywall—switching blades can slow you down and complicate the job. A multi-material blade streamlines the process, letting you move between tasks without interruption.

The EZARC Obsidian Carbide Oscillating Saw Blades are designed for those who want one blade to handle a range of materials. With advanced carbide teeth and a TiCN coating, it's a practical pick for users who value efficiency and durability across different surfaces.

  • TiCN coating improves edge retention and blade durability for extended use
  • Optimized carbide teeth handle wood, metal, plasterboard, and more
  • Universal compatibility fits most major oscillating tool brands (except Starlock)

Compared to dedicated plaster blades, this option prioritizes flexibility and speed. The tradeoff is that it may not deliver the absolute cleanest cut in plaster, but it excels for users needing all-in-one convenience.

Strength
  • Handles multiple materials
  • Durable carbide teeth
  • Thinner design for faster cuts
  • Universal tool fit
  • Reduces blade changes
Weakness
  • Not Starlock compatible
  • Less specialized for plaster

4. EZARC Carbide General Purpose Oscillating Blades

Best for General Purpose Cutting
EZARC Carbide General Purpose Oscillating Blades

General home repairs often involve cutting through a mix of plaster, wood, and even metal. Using the wrong blade can lead to premature wear or poor results, especially on tougher materials.

The EZARC Carbide General Purpose Oscillating Blades are built for users who need one blade to cover most household tasks. Its carbide technology and integrated depth gauge make it a practical choice for those who value convenience and accuracy.

  • Carbide laser welding increases blade strength and longevity
  • Integrated depth gauge allows for precise, repeatable cuts
  • Universal interface works with most oscillating tools (not Starlock)

Compared to specialized blades, this model prioritizes all-around utility and ease of use. The tradeoff is that it may not be as long-lasting as premium diamond blades in heavy plaster removal.

Strength
  • All-purpose blade
  • Durable carbide build
  • Depth gauge included
  • Works on wood and metal
  • Universal fit
Weakness
  • Not Starlock compatible
  • Shorter life than diamond blades

5. XXGO 4 Pcs Diamond Grout Blades

Best for 1/8" Grout Lines
XXGO 4 Pcs Diamond Grout Blades

Removing grout or plaster from narrow joints can be challenging with standard blades, often resulting in incomplete removal or damage to adjacent tiles. A blade sized for 1/8" grout lines offers better control and efficiency.

The XXGO 4 Pcs Diamond Grout Blades are tailored for users working with 1/8" grout lines or similar-width plaster joints. They're a solid pick for tile repair, joint cleaning, and detailed renovation work.

  • 2.2mm thickness matches 1/8" grout lines for precise removal
  • Diamond grit handles plaster, mortar, and grout efficiently
  • Broad compatibility fits most major oscillating tool brands

Compared to thicker or more general-purpose blades, this set prioritizes accuracy in narrow spaces. The tradeoff is that it's not ideal for very fine (1/16") grout lines or hard wall tile cutting.

Strength
  • Sized for 1/8" grout lines
  • Diamond grit for tough jobs
  • Good for joint cleaning
  • Fits many tool brands
Weakness
  • Not for 1/16" grout
  • Not for hard wall tile

6. XXGO 20 Pcs Diamond Grout Removal Blades

Best Bulk Pack for Frequent Use
XXGO 20 Pcs Diamond Grout Removal Blades

Frequent grout or plaster removal can quickly wear out blades, leading to repeated purchases and downtime. Buying in bulk ensures you always have a replacement on hand for ongoing or large-scale projects.

The XXGO 20 Pcs Diamond Grout Removal Blades are ideal for contractors, property managers, or anyone tackling multiple renovation jobs. The generous quantity means less worry about running out mid-project.

  • 20-piece pack provides ample supply for repeated use
  • 2.2mm thickness works well with 1/8" grout lines
  • Diamond grit handles plaster, mortar, and grout efficiently

Compared to single or small packs, this set prioritizes value and convenience for high-volume users. The tradeoff is that it's not suitable for very fine grout lines or hard wall tile cutting.

Strength
  • Bulk pack for frequent jobs
  • Diamond grit durability
  • Sized for 1/8" grout
  • Fits most oscillating tools
Weakness
  • Not for 1/16" grout
  • Not for hard wall tile

Buying Guide: How to Choose the Best Multi Tool Blade for Plaster

Choosing the right multi tool blade for plaster work is a technical decision that impacts both the quality and efficiency of your renovation or repair. Buyers often face tradeoffs between blade longevity, cut precision, and compatibility with their oscillating tool. It's common to assume all blades are interchangeable, but differences in material, thickness, and design can significantly affect results.

Choosing Between Diamond, Carbide, and Titanium Blades

The type of blade material directly affects performance and longevity. Diamond blades are best for clean, precise removal of plaster and grout, while carbide blades handle a wider range of materials, including wood and metal. Titanium-coated blades are ideal for users who frequently encounter nails or soft metal in their plaster work.

Blade Shape and Application

Different blade shapes are designed for specific scenarios. Flat blades are essential for accessing narrow joints, crescent blades offer efficient removal on open surfaces, and semicircular blades are best for grinding and shaping larger areas. Kits that include multiple shapes provide the most flexibility for varied tasks.

Compatibility and Adapter Requirements

Not all oscillating tools use the same blade interface. Many universal blades do not fit Starlock systems or some Dremel models without an adapter. Always check your tool's compatibility before purchasing to avoid frustration.

Bulk Packs vs. Variety Kits

Bulk packs are a smart choice for contractors or anyone tackling large-scale or repeated projects, ensuring you always have a fresh blade on hand. Variety kits, which include different shapes and sizes, are better suited for homeowners or DIYers who need flexibility for multiple types of jobs.

Final Buying Advice

Selecting the right multi tool blade for plaster comes down to matching blade material and shape to your specific needs, while ensuring compatibility with your tool. Avoid assuming that one blade fits all scenarios—specialized blades can make a big difference in both finish quality and efficiency.

FAQ For Multi Tool Blade For Plaster

1. What type of blade is best for cutting plaster?

Diamond blades are generally best for clean, precise plaster removal. Carbide blades work well for mixed-material tasks, while titanium blades are useful if you encounter nails or soft metal.

2. Will these blades fit my oscillating multi tool?

Most blades in this guide are compatible with major brands, but many do not fit Starlock systems or some Dremel models without an adapter. Always check compatibility before purchasing.

3. Can I use the same blade for grout, plaster, and metal?

Some carbide and titanium blades are designed for multi-material use, but diamond blades are more specialized for grout and plaster. For best results, use the right blade for each material.

4. How do I know which blade thickness to choose?

Blade thickness affects the width of the cut. Thinner blades (about 1.6mm) are better for narrow joints, while thicker blades (2.2mm) suit standard grout lines and broader cuts.

5. Are bulk packs or variety kits better for home use?

Variety kits with multiple blade shapes are usually better for occasional home use, while bulk packs are more cost-effective for frequent or large-scale projects.

6. How long do these blades typically last?

Blade lifespan depends on material and use. Diamond and titanium blades generally last longer than standard steel, especially when used on tough materials like plaster or mortar.

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