Both inserts are primarily developed for thick, high-density, or highly abrasive industrial soft materials (such as thick foam, heavy-duty gaskets, rubber, etc.).To cope with the intense friction and heat buildup under high-speed vibration, the most mature performance upgrade solution on the market is to use TiN (titanium nitride PVD) gold coating process 

Comparison of core technical parameters and geometric dimensions

Both blades feature a 1.00 mm thick flat shank slot design (optimized for the HV1600 blade holder), but differ in length and maximum depth of cut to accommodate different material thickness requirements:

The stepped advantages of tungsten carbide substrate + TiN coating

When ultrafine tungsten carbide is combined with a TiN (titanium nitride) gold coating , the cutting tool exhibits stronger industrial adaptability during the high-frequency, high-amplitude reciprocating motion of the HV1600 cutting head:

· Wear resistance extended by 2–4 times : The TiN coating has extremely high microhardness (about 30 GPa), which can effectively resist the micro-friction wear on the blade caused by materials such as high-density rubber, composite materials with fiber or glass fiber components, and rigid cardboard.

· Reduced friction and heat (preventing edge melting) : TiN has an extremely low coefficient of surface friction. When cutting EVA foam, polyurethane foam (PUR), or sticky rubber up to 40+ mm thick , the blade will not cause localized melting, sticking, stringing, or charring of the polymer material due to frictional heat, thus maintaining perfect cut quality.

· Improved tip chipping resistance : The 1.00 mm thickened shank, combined with the surface stress of the TiN coating, can significantly absorb the micro-impact generated when cutting into thick pad materials at high frequency, reducing the chance of the fragile tungsten steel tip chipping