Crain No. 821 Jamb Saw Blade

Crain Tools No. 821 Carbide‑Tipped Jamb Saw Blade

The Crain No. 821 Carbide‑Tipped Blade is the OEM replacement blade for Crain undercut and jamb saw models 812, 820, and 825. Featuring a 6½″ diameter and 40 precision carbide‑tipped teeth, this blade is engineered to deliver exceptionally smooth, splinter‑free undercuts in wood doors, jambs, baseboards, and drywall. It’s built from a rigid, precision‑formed steel body and optimized for clean transitions in tight inside‑corner applications. Not suitable for cutting masonry, tile, stone, or metal.

Specifications

• Blade diameter: 6½″ (approximately 165 mm) for full undercut coverage
• Tooth count: 40 carbide‑tipped teeth for fine, accurate cutting 
• Compatibility: Fits Crain No. 812 Super Saw, No. 820 Heavy‑Duty Undercut Saw, and No. 825 Heavy‑Duty Undercut Saw 
• Material: Carbide‑tipped on precision-formed steel body
• Weight: Approximately 6 oz (≈ 0.17 kg) 
• Usage warning: For cutting wood or drywall only—do not use on metal, masonry, stone, or tile

Key Benefits

• ✔️ Produces ultra-smooth, splinter‑free undercuts in wood and drywall
• ✔️ 40 fine carbide teeth ensure stable, clean cutting performance
• ✔️ Large diameter enables full inner‑corner coverage with Crain saws
• ✔️ OEM‑grade blade fits precisely and performs reliably with models 812, 820, 825
• ✔️ Lightweight design (6 oz) promotes easy handling and reduced operator fatigue

For clean, professional undercuts in wood jambs, doors, and base, the Crain No. 821 Carbide‑Tipped Blade sets the industry standard. OEM quality ensures perfect fit and performance with Crain undercut saws—order yours today and keep your installations precise and efficient.