Door frame knife

Door frame knife is a specialized tool used in construction, carpentry, and drywall installation to cut, trim, and shape materials around doorframes. It is designed to make precise cuts in drywall, plaster, or other materials to ensure a clean fit around doorframes, windows, and other openings.

Types of Door frame knife

1. Drywall multipurpose knife:

- A multipurpose knife with a retractable or fixed blade.

- Used to score and cut drywall around doorframes.

2. Round-head drywall knife:

- Features a rounded head for precise cutting without damaging surrounding materials.

- Ideal for trimming drywall around curved or narrow areas.

3. Oscillating multi-tool with cutting blade:

- A power tool with a flat cutting blade for precise trimming around doorframes.

- Ideal for cutting wood.

4. Cabinet Door Lip Molding Knives: 

- Used for half-overlay cabinet door edges, featuring a 5-degree rabbet bevel to prevent door rubbing.

5. Shaper Cutters:

- Carbide-tipped cutters for industrial shaping of door frames, mirror/picture frames, and crown moldings.

Key features of Door frame knife

1. Blade length:

- Longer blades are better for cutting thicker materials or making deeper cuts.

2. Blade locking mechanism:

- A secure blade lock prevents the blade from slipping during use.

- Retractable knives should have a reliable locking mechanism for safety.

3. Blade Replacement:

- Look for knives that can easily change blades without the need for additional tools.

- Knives with snap-off blades facilitate quick changes.

Application of Door frame knife

- Cabinet Doors: Mitered joints for frames.

- Window/Door Trim: Stop molding for sash retention.

- Decorative Trim: Applied moldings for architectural accents.