K11

A direct replacement for the Zünd Z11 (3910309), Esko BLD-DF213 (G42441204), Gerber MCT DE13 (895013), and Gerber Lectra 301439-14, with no holder modification needed. Double edge drag blade for through cutting on Zünd, Esko, Gerber / MCT, and Kongsberg flatbed cutting systems.

Sold individually.

Direct OEM replacement

The K11 is a confirmed drop-in for the Zünd Z11 (3910309), Esko BLD-DF213 (G42441204), Gerber MCT DE13 (895013), and Gerber Lectra 301439-14. Same form, same fit, same geometry as the factory blade. No holder modification needed before you start cutting.

What is through cutting?

Through cutting means the blade cuts completely through all layers of the material, including any backing or liner. The cut piece separates fully from the sheet. This is the right blade when you need clean, full separation on materials like vinyl, polycarbonate, polyester, or magnetic media.

Fine grain tungsten carbide

The K11 is machined from fine grain tungsten carbide. Carbide holds an edge significantly longer than steel in production environments. That means more cuts per blade, fewer change-outs per shift, and consistent cut quality across longer runs. The double edge configuration gives you two usable cutting edges before the blade is spent.

Common questions

How do I know this fits my machine?

If your machine takes the Zünd Z11 (3910309), Esko BLD-DF213 (G42441204), Gerber MCT DE13 (895013), or Gerber Lectra 301439-14, the K11 is the correct replacement. If you are not sure which blade your holder takes, reach out before ordering and we can confirm it.

What materials does it cut?

The K11 handles self-adhesive vinyl, polycarbonate, polyester, masking film, window prep vinyl, magnetic media, transfer paper, and 3M VHB. If you are cutting something thicker or denser, or need a kiss cut rather than a through cut, a different blade geometry may serve you better. We are happy to help match the right tool to the job.

What does double edge mean?

A double edge blade is ground on both sides of the cutting tip. On drag knife applications, the double edge geometry tracks symmetrically through the material, which helps maintain accuracy on curves and tight corners. It also means the blade has two usable cutting edges before it needs to be replaced.

How do I know when to replace it?

Watch for drag instead of clean release, torn edges instead of cut edges, or material not releasing cleanly from the liner. When cut quality starts to drop, the blade is the first thing to check. A dull blade left in too long also puts unnecessary stress on the holder and machine.

Getting the most from your cutting table

A fresh blade is a good start. But if you are going through blades faster than expected, or cut quality has become inconsistent, the blade is rarely the whole story. Cut depth, speed, pressure, and machine condition all affect how long a blade lasts and how clean it cuts.

It is worth asking: When was your machine last serviced? Are your parameters dialed in for this material? Is this the right blade geometry for what you are cutting? Could your operators use time with someone who runs these machines every day?

Flatbed Tools offers machine service, preventive maintenance, operator training, and workflow consulting. If something is not cutting right, reach out. We have probably seen it before.