Description
Overview
The JTS48HD 48″ Heavy Duty Drywall Square (JTS48HD) is designed for professional drywall layout, scoring, and cutting applications requiring a reliable, long-lasting straight edge.
| Specification | Detail |
|---|---|
| MPN | JTS48HD |
| Brand | Johnson Level & Tool |
| Blade Length | 48 inches |
| Blade Thickness | 3/16 inch |
| Blade Material | Extruded Aluminum with Clear Protective Anodized Finish |
| Graduation Markings | Thermal-bonded black 1/8″ graduations |
| Head-to-Blade Assembly | Permanent rivet assembly |
Technical Features
- 3/16″ thick extruded aluminum blade provides an elevated straight edge that prevents a utility knife from riding up over the blade and slipping during scoring cuts.
- Clear protective anodized finish creates a surface barrier that resists rust and corrosion, extending the service life of the tool in demanding job-site environments.
- Permanent rivet assembly bonds the head and blade together without reliance on adhesives or fasteners that can loosen over time, maintaining a true 90 square for the life of the tool.
- Thermal-bonded 1/8″ black graduations markings are permanently fused to the blade rather than printed on, preventing wear and ensuring bold, high-contrast readability during layout work.
- 48″ blade length spans the full width of a standard 48″ drywall sheet in a single placement, eliminating the need to reposition the square for full-width cuts.
Applications
- Marking and scoring standard 48 and 412 drywall sheets for straight cuts
- Establishing square layout lines on gypsum board, cement board, and similar sheet materials
- Guiding utility knife cuts along a thick, stable straight edge to minimize blade deflection
- Measuring and marking fractional increments at 1/8″ resolution directly on sheet material
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