K170r

A direct replacement for the Esko BLD-SR8170 (G42460394) and Gerber MCT SE70R, 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 K170R matches the Esko BLD-SR8170 in form, fit, and geometry. Same 8mm round stock, same 60° single edge. It is also cross-referenced as G42460394 and 42460394 in some parts catalogs. For Gerber MCT users, it replaces the SE70R. No holder modification required for either machine.

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 on materials like vinyl, polycarbonate, polyester, and magnetic media. It is not a kiss-cut blade.

Fine Grain Tungsten Carbide

The K170R is ground from fine grain tungsten carbide. For a drag blade cutting through thicker materials like polycarbonate or magnetic media, edge durability is the main variable. Fine grain carbide holds its edge longer than standard carbide under the cutting pressures this blade sees, which means fewer blade changes and more consistent cut quality across a shift.

Common questions

How do I know this fits my machine?

If your machine takes the Esko BLD-SR8170 or the Gerber MCT SE70R, this blade fits without any holder modification. Not sure? Contact us before you order and we will confirm the fit.

What materials does it cut?

Rated for self adhesive vinyl, polycarbonate, polyester, masking film, window prep vinyl, magnetic media, transfer paper, and 3M VHB. If you are cutting something heavier or more aggressive, contact us and we can help determine whether this is the right blade or whether a different geometry would be a better call.

What is the difference between BLD-SR8170, G42460394, and 42460394?

All three reference the same Esko blade. BLD-SR8170 is the standard Esko part number. G42460394 and 42460394 are alternate catalog references that appear in some parts systems. If you see any of those numbers on your order history or parts list, this is the direct replacement.

How do I know when to replace it?

Watch cut quality, not a specific number of cuts. If the blade is dragging through material rather than cutting cleanly, leaving ragged edges, or not releasing cleanly from adhesive materials, it is time to swap.

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.