Product Description: The 390-549 is a highly precise standard 36° tangential knife blade manufactured from premium-grade tungsten carbide. Designed to meet the exact specifications of Summa’s advanced T-Series cutting heads—including the SummaCut, SummaSign Pro, S Class, and F-Series flatbeds—this blade delivers unparalleled accuracy for complex digital finishing tasks. Serving as a direct equivalent to the 390-534, it is an essential consumable for professional sign-making and graphics production.

Optimized with a 36° cutting angle and a specialized 25° lip angle, the 390-549 excels in precision kiss-cutting applications. With a maximum cutting depth of approximately 0.25 mm, it effortlessly severs face materials like self-adhesive window foils, PVC vinyl banners, and reflective films without scoring the underlying carrier liner. Because it operates within a tangential module where the machine physically lifts and rotates the blade at corners, it eliminates material distortion and dragging on delicate substrates like paper and polyester fabrics. The high-density tungsten carbide construction guarantees superior wear resistance, ensuring long-lasting edge retention and exceptionally clean, weed-friendly cuts across extensive production runs.

Summa OEM-Quality tungsten carbide Blades at Wholesale Prices