IRWIN WIDIA Circular Saw Blade 250mm x 30mm Bore, 40 Teeth, Tungsten Carbide Tipped, ATB, for Wood

On a busy jobsite, carpenters and cabinet makers rely on this IRWIN WIDIA circular saw blade to rip through softwood, hardwood, plywood, chipboard, and MDF with clean, splinter-free results. The 250 mm diameter blade with a 30 mm bore fits most table saws, miter saws, and panel saws, making it a versatile choice for framing, trim work, and furniture building.

Key specifications

• Blade diameter: 250 mm
• Bore diameter: 30 mm
• Number of teeth: 40
• Tooth material: Tungsten carbide (TCT)
• Tooth geometry: ATB (Alternate Top Bevel)
• Kerf thickness: 2.8 mm
• Plate thickness: 1.8 mm
• Hook angle: +15°
• Max rotational speed: 6100 RPM
• Blade body: High-quality steel with expansion slots
• Anti-kickback design
• Cutting finish: Medium to fine

Why choose it

The tungsten carbide teeth stay sharp longer than standard steel, reducing downtime for blade changes. The ATB tooth geometry produces smooth crosscuts and rip cuts with minimal tear-out, while the anti-kickback design enhances safety during operation. Expansion slots help dissipate heat, preventing warping and extending blade life even under continuous use.

Ideal use cases

• Ripping and crosscutting softwood and hardwood
• Cutting plywood, chipboard, and MDF panels
• Framing, decking, and general carpentry
• Trim work and furniture making
• Use on table saws, miter saws, and panel saws

Good to know

Always check your saw's arbor size and maximum RPM rating before use. For best results, ensure the blade is properly aligned and use a suitable blade guard. This blade is designed for wood and wood-based materials only; do not use on metal or masonry.