Irwin Marathon 12 in. D X 1 in. Carbide Circular Saw Blade 80 teeth

Turn to the Irwin Marathon 12 in. carbide circular saw blade for dependable, precision-focused cutting across a range of materials. Built to finish jobs with clean edges, this 12-inch blade features 80 teeth with an ATB grind, a 1-inch arbor, and a.098" kerf, delivering crisp crosscuts and refined surfaces on plywood, hardwoods, and laminates. The 5° hook angle combines efficient cutting with smooth results, while carbide teeth resist wear for longer life in tough workpieces. Compatible with most 12" table and miter saws, it’s a reliable choice for cabinetry, trim, and general woodworking projects.

Key features that set it apart

• 80 carbide-tipped teeth: Delivers precise, fine finishes on crosscuts and finish work.
• Balances aggressive cutting with smooth surface quality and reduced tear-out on common shop materials.
• .098" kerf: Narrow enough to minimize material waste while maintaining strength for durable cuts.
• 12" diameter with 1" arbor: Fits a wide range of standard table and miter saws for versatile use.
• Max speed 5000 RPM: Optimized for fast, consistent cutting without sacrificing edge quality.
• Material and build: Carbide construction provides long-lasting sharpness for repeated use.
• Packaging: Carded, single-blade blade ready for easy storage and transfer to the job site.

Ideal uses and practical applications

Geared toward finish-minded carpentry, this blade excels in cabinetry, trim work, shelving, and other crosscut-heavy tasks. It’s especially effective on plywood and laminated surfaces where edge quality matters, as well as hardwoods where a clean, true cut is essential. Whether you’re building a new vanity, installing crown molding, or crafting custom trim, this blade helps you achieve professional results with fewer passes and less material waste.

Why choose this blade

• Specific 12" carbide blade designed for clean crosscuts and refined finishes rather than heavy ripping.
• 80-tooth configuration provides a smoother cut surface suitable for visible edges and joints.
• Durable carbide teeth extend blade life, making it a cost-effective choice for frequent use.
• Designed for compatibility with common 12" table and miter saws that accept a 1" arbor, giving you flexibility across tools.

Tips for best results

• Confirm saw compatibility: 12" blade with a 1" arbor on your table or miter saw.
• Operate within the rated speed (up to 5000 RPM) to maintain edge quality and reduce heat buildup.
• Make test cuts on scrap material to verify finish quality before proceeding with final workpieces.
• Use with materials that benefit from a fine, precise cut, such as plywood, melamine, and smooth hardwoods.