Suitable to Manufacturer	UNTHA shredding technology GmbH, Austria
Length in mm	34
Width in mm	34
Height in mm	24
Weight	Approx. 0.13 kg
Remark:	Thread M12 concave R45 angle 15°
Compatible Machine	Knife fits: Untha \| Untha Shredder \| Untha LR \| Untha LRK \| Untha LR 1000 \| Untha LRK 1000 \| Untha LR 1400 \| Untha LRK 1400 \| Untha QR 1400 \| Untha LR 520 \| Untha LR 630 \| Untha LR 700 \| Untha LRK \| Untha LR 1000 \| Untha LRK 1000 \| Untha LR 1400 \| Untha LRK 1400 \| Untha QR 1400 \| Untha LR 520 \| Untha LR 630 \| Untha LR 700
Knife Material Option	Cr12Mov, SKD-11, D2, DC53, DIN 1.2379, DIN 1.2344
Hardness	56–60 HRC, depending on material and application
Application	Tire Shredding, Cable Recycling, Plastic Shredding, Steel Processing, E-waste Shredding, Solid Waste Recycling
Compatibility Note	This is an compatible replacement part manufactured by Fordura.
Blade Type	Crown Cutter \| Crown Blade \| Crown Knife \| Concave Knife \| Concave Blade \| Concave Cutter \| Cutting Crowns \| Knives \| Knife \| Blade

Short Description:

This 34x34x24mm M12 concave cutter is designed as a compatible replacement part for UNTHA LR, LRK, QR and related single-shaft shredder applications. Installed in the cutting chamber, the crown cutter supports controlled material gripping and size reduction in wood, plastic, cable, tire, e-waste and solid waste recycling.

Fordura manufactures this cutting crown with accurate 34mm square geometry, M12 thread matching, and material options such as D2, SKD-11, DC53 and H13. Controlled machining and heat treatment help the concave shredder cutter deliver stable wear resistance, reliable fit and practical replacement value for routine maintenance.

Save More on UNTHA-Compatible Concave Cutters

Buy concave cutter directly from Fordura’s factory-backed manufacturing team to reduce intermediate purchasing cost, speed up technical communication and support flexible confirmation. It is a practical sourcing route for maintenance teams and recycling plants managing regular shredder wear part replacement.

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