Diablo Saw Blade D0704DHA 7-1/4 Inch Circular (4-Tooth PCD Polycrystalline Diamond Triple Chip Fiber Cement Siding Backer Board James Hardie)

Diablo D0704DHA 7-1/4 Inch 4-Tooth HardieBlade Fiber Cement Saw Blade

The Diablo D0704DHA 7-1/4-inch 4-tooth HardieBlade saw blade delivers clean, high-precision cuts in fiber cement siding, backer board, and trim panels. Outfitted with polycrystalline diamond (PCD) teeth in a spark-eroded Triple Chip Grind geometry, it yields up to 75 times longer cutting life in abrasive cementitious materials than standard carbide blades. Its specialized tooth architecture reduces airborne respirable dust by up to 50%, while laser-cut anti-vibration stabilizer vents and a Perma-SHIELD non-stick coating ensure smooth, cool operation across both corded and cordless circular saws.

Best Used For:

• Fiber Cement Siding Installation: Crosscutting and ripping HardiePlank lap siding cleanly with minimal dust generation and burr-free edges.
• Cement Backer Board Fabrication: Sectioning HardieBacker subfloor panels and tile underlayment boards without chipping brittle material edges.
• Exterior Architectural Trim Fitting: Sizing thick fiber cement trim boards and fascia smoothly for tight, weather-resistant joint assemblies.

Key Performance & Safety Features

• James Hardie Recommended: The only saw blade officially approved by James Hardie Building Products for use on their fiber cement materials.
• 75X Longer Cutting Life: Polycrystalline Diamond (PCD) teeth provide extreme abrasion resistance, outlasting standard carbide blades by up to 75 times.
• 50% Less Respirable Dust: Advanced blade and tooth design generates significantly less airborne dust for a cleaner, safer job site.
• PCD Triple Chip Design: Unique spark-eroded Triple Chip grind cleanly slices through fiber cement, leaving a smooth, burr-free edge.
• Anti-Vibration Vents: Laser-cut vents reduce vibration and stabilize the blade, ensuring straight, accurate cuts with less user fatigue.
• Perma-SHIELD Non-Stick Coating: Protects the blade from heat and corrosion while reducing friction and material buildup.

What's Included

• (1) Diablo D0704DHA 7-1/4" 4T HardieBlade Fiber Cement Saw Blade

Technical Specifications

Pro-Tip: Set the blade depth so only one full PCD tooth extends past the bottom of the fiber cement board to minimize dust dispersion and extend diamond edge life.