| Product> Flat Bed > Flat Bed Serrated Rules |
The National range of flat bed serrated rules has been custom engineered to address a wide variety of applications.
The combination of height, thickness, bevel and tooth configuration means that the number of rules that can be produced is endless.
Existing designs can be modified to meet specific requirements.
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National Serrated 5 and 6 Tooth
An excellent choice when diecutting high density foam products, films and other materials that are difficult to cut.
They are both available with centre or side level, can be edge hardened for improved life and customized for specific applications.
The 5 tooth is particularly recommended for cutting through honeycomb.
| Thickness | Height |
| 2pt. (0.71mm) | 10mm (0.394") - 50.8mm (2.00") |
| 3pt (1.07mm) | 10mm (0.394") - 101.6mm (4.00") |
| 4pt (1.42mm) | 12mm (0.472") - 101.6mm (4.00") |
| 6pt (2.14mm) | 76.2mm (3.00") max. |
| 8pt (2.84mm) | 50.8mm (2.00") max. |
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National Serrated Deep 'V'
Extremely sharp teeth with deep gullets achieves excellent performance, with minimum pressure, when working with films, foams and even some specialty paper products such as thinner honeycomb.
Available with centre or side bevel with 8, 10, 13 or 16 TPI (teeth per inch) edge hardening is recommended due to the sharpness of the tip.
Deep ‘V’ performs at its best when cutting into air or a slot.
| 2pt. (0.71mm) | 10mm (0.394") - 50.8mm (2.00") |
| 3pt (1.07mm) | 10mm (0.394") - 50.8mm (4.00") |
| 4pt (1.42mm) | 12mm (0.472") - 101.6mm (4.00") |
| 6pt (2.14mm) | 76.2mm (3.00") max. |
| 8pt (2.84mm) | 50.8mm (2.00") max. |
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National 2.7 and 4.6 Tooth
Originally custom designed for cutting plastic bags – now proven to be an excellent choice for cutting foam or film.
Available with centre or side bevel. They can also be coasted with tatinium nitride or edge hardened to extend their working lives.
| 2pt. (0.71mm) | 10mm (0.394") - 50.8mm (2.00") |
| 3pt (1.07mm) | 10mm (0.394") - 101.6mm (4.00") |
| 4pt (1.42mm) | 12mm (0.472") - 101.6mm (4.00") |
| 6pt (2.14mm) | 76.2mm (3.00") max. |
| 8pt (2.84mm) | 50.8mm (2.00") max. |
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National Shallow Profile
One of the more versatile National rules for both flat bed and rotary applications.
The rule works extremely well on fabrics, rubber, plastics and other substrates that require diecutting with minimum penetration.
| 2pt. (0.71mm) | 10mm (0.394") - 50.8mm (2.00") |
| 3pt (1.07mm) | 10mm (0.394") - 101.6mm (4.00") |
| 4pt (1.42mm) | 12mm (0.472") - 101.6mm (4.00") |
| 6pt (2.14mm) | 76.2mm (3.00") max. |
| 8pt (2.84mm) | 50.8mm (2.00") max. |
