Gesswein® Moldmaker Plus EDM Stones

A premium complement to the Moldmaker series; this green silicon carbide abrasive is the hardest of the abrasive grits. These EDM stones are ideal for finishing stainless steel knife blades.

Produces a silky matte finish on all prehardened tool steels & stainless steels, from 28Rc SAE 4130 through 60Rc A2 and M2. Can also be used to rough out aluminum, beryllium, copper and kirksite.
Soft with faster breakdown characteristics than the standard Moldmaker stones.

Use Wet: Paraffin / Stoning Oil

Made in the USA. Available in various grits. Sold individually.

Handles for EDM stones also available on this website. Use BLUE for the Gesswein stones.


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Gesswein - The right tools


Gesswein® MOLDMAKER and MOLDMAKER PLUS Finishing Stones

A good choice for stoning contours and radii.

Mold and die polishing, grinding, tool sharpening, dressing of grinding and cutting wheels. Vitrified silicon carbide abrasives break down during use. The resulting dust is classified by OSHA as inert or nuisance dust. Data provided pertains primarily to the dust produced during and after use.

IMPORTANT: Hazards may change when this product is used in conjunction with solvents, cutting fluids or other chemicals.

Additional information

Weight N/A
Dimensions 150 × 13 × 6 mm

P150, P400, P600, P800, P100, P220, P320, P1200



Gesswein are a fourth-generation family-owned business serving metalworkers in the jewelry and tool & die trades. They specialise in supplying precision metalworking tools and equipment. Their mission is to empower metalworkers with the best tools and technique to reach new heights of success. With a meticulously curated product line and dedicated support team, Gesswein stands by your side.
Gesswein - The right tools