Solid Carbide Insert Cutting Knife 12x17x2-R2R Edgebander Scraping Blades

Need a scraper insert that stops chattering before the glue line is gone? This is a solid carbide insert cutting knife measuring 12 x 17 x 2 mm with an R2 edge radius, supplied left and right for edgebander scraping stations. It is a woodworking edgebanding machine spare part, not a steel scraper: the whole insert is carbide, so the 2 mm round holds its form while PVC, ABS, melamine and veneer are being scraped. You replace an insert, not a holder. Price on request.

Three things go wrong at the scraper station of an edgebander. The insert dulls and starts to chatter, the glue line survives the cycle and shows up as a white hairline under gloss, and the operator runs out of left-hand inserts while the right-hand box is half full. None of those are machine faults — they are insert faults, and this part is built around them: a scraping blade insert knife for woodworking edgebanding machines, listed in the left and right direction.

The 12x17x2-R2R is a solid carbide insert cutting knife, not a coated blade or steel scraper. Body size is 17 mm long, 12 mm wide and 2 mm thick, and the cutting edge carries an R2 radius — a 2 mm round that peels the residual glue film without scoring the board face. Because the material is carbide end to end, the edge keeps its geometry while working through the glue line instead of rolling over after a short run.

One insert is 17 mm by 12 mm by 2 mm: small enough to live in a drawer, large enough to give the holder a full 12 mm face. Left and right cover both sides of the scraper head, so one part number keeps both stations cutting. Set the depth once, run; when the edge stops biting, swap the insert and leave the holder on the machine.

What separates this insert from a generic scraper blade is edge geometry and how it is ordered — every point below is a number you can measure.

• Solid carbide body — carbide through the full 2 mm thickness, not steel with a coating, so the edge survives PVC, ABS, melamine and veneer.
• R2 edge radius — a 2 mm round on the cutting edge peels the glue line flat instead of digging a score line into the board face.
• 12 x 17 x 2 mm envelope — 17 mm length, 12 mm width, 2 mm thickness, which gives the clamp a full 12 mm face to seat on.
• Left and right direction — listed in both, so one part number covers the two sides of the scraper head instead of two stock lines.
• Finishing station part — it works after the trimming cutters, where the glue line and residual resin are all that is left to take off the edge.
• Flat and stackable — at 2 mm thick the inserts stack in a small box, so a spare set stays inside the machine cabinet.
• Swap at the station — the insert lifts out of the holder, so a change is one clamp movement and the holder depth does not need re-dialling.
• Application — a woodworking edgebanding machine spare part for the scraping unit, after trimming and before buffing.

The usual choice at a scraper station is a dull insert that keeps running, or a batch sent out for regrinding while the line waits. A consumable insert removes that choice.

• Change the edge, not the holder. A worn insert comes out and a new 12 x 17 x 2 mm insert goes in, so the scraper head stays on the machine and the depth setting stays where it was.
• No regrinding loop. There is no trip to a sharpening shop and no waiting batch: the part is a consumable at 2 mm thick, so the edge is simply renewed.
• The same edge on every board. The R2 radius is ground into the insert rather than produced by hand pressure, so board 1 and board 500 are scraped with the same 2 mm round.
• One line item for both sides. Left and right are both covered under the same 12x17x2-R2R part number, which takes one stock line out of the store room.
• Four materials, one insert. PVC, ABS, melamine and wood veneer are all scraped by the same carbide insert, so the drawer does not need a different blade per tape type.
• A cost you can plan. It is a consumable spare part with a fixed size of 17 x 12 x 2 mm, so wear shows up as a reorder line rather than as an unplanned tool-room bill.

It is for woodworking edgebanding machines — the scraping station specifically. The part is listed as a scraping blade insert knife with the application "woodworking edgebanding machine spare part", and the 12 x 17 x 2 mm body with an R2 edge is the shape used after trimming to take the glue line off the edge.

R2 is a 2 mm radius on the cutting edge, not a 2 mm chamfer. The round edge peels the residual glue film and leaves a softened corner, which is why it does not leave a score line in the face of a melamine or veneer panel.

No. Both directions are listed under the same 12x17x2-R2R part number — the direction field reads "Left and Right", so you tell us which side you need and the part number stays the same. The scraper head uses them in pairs, so both sides are normally kept on the shelf.

Both readings describe the same insert: 17 mm is the length, 12 mm is the width, 2 mm is the thickness. The code 12x17x2-R2R puts width first, so if your holder is measured length-first, the part is still 17 mm long.

Solid carbide. The material is carbide through the full 2 mm thickness, so the insert is hard all the way through rather than being a steel blade with a hardened skin — that is what keeps the R2 edge in shape while it works through glue.

Yes. The same carbide insert is used on PVC, ABS, melamine and wood veneer edging; only the depth setting changes between them. The R2 radius is what makes the transition safe, because a rounded edge is far less likely to chip a veneer face than a sharp one.

Plan for the pair plus one spare. The scraper head holds a left and a right insert, and because a 2 mm insert is a consumable that wears with running metres, a third insert means you never stop the line for a single dull edge.

Ask for a quote. Price on this part is quoted on request rather than published, because the number depends on the quantity and the direction mix you order — send the 12x17x2-R2R part number and the quantity per side and you get the price back.