K150r

A direct replacement for the Esko BLD-SR6150 (G42445494), with no holder modification needed. Single edge drag blade for through cutting on Esko and Gerber / MCT flatbed cutting systems.

Sold individually.

Direct OEM replacement

The K150r matches the form and fit of the Esko BLD-SR6150 (G42445494). Same holder, same 6mm round stock diameter, same geometry. No modifications required. If you were ordering the Esko blade, this is the drop-in replacement.

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 blade is built for through-cut work. It is not a kiss-cut blade.

Fine grain tungsten carbide construction

Tungsten carbide holds its edge longer than tool steel and handles abrasive materials without wearing down as quickly. Fine grain carbide takes a sharper edge than standard grades and holds it through longer runs. That matters on materials like polycarbonate, magnetic media, and 3M VHB, where a worn edge drags rather than cuts and leaves rough edges or pulls material.

Common questions

How do I know this fits my machine?

If your Esko or Gerber / MCT cutting system currently uses BLD-SR6150 or G42445494, the K150r is the direct replacement. Not sure? Contact us before you order. We will confirm fit before anything ships.

What materials does it cut?

The K150r cuts self adhesive vinyl, polycarbonate, polyester, masking film, window prep vinyl, magnetic media, transfer paper, and 3M VHB. If your job requires cutting through the face material only without breaking the liner, that is kiss-cut work and you will want a different blade geometry. Not sure which applies to your application? Reach out.

This blade cuts light films and heavy materials like 3M VHB. Is one geometry right for all of those?

Yes, with the right machine parameters. The 30° cutting angle and 5.0mm maximum cutting depth give the K150r capacity for thicker and denser materials. For lighter films, the same blade runs at lower pressure settings. Cut quality at any weight of material comes down to dialing in depth, speed, and pressure for that substrate. If you are having trouble with a specific material, contact us.

How do I know when to replace it?

Watch cut quality, not run time. When cuts start dragging, tearing, or the material stops separating cleanly, the edge is done. Running a worn blade at higher pressure to compensate causes more damage to your holder and cut mat than swapping it on schedule.

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.