Fordura Counter Knife 491x110x25mm for UNTHA MR Shredder
This counter knife middle is a fixed cutting component used inside UNTHA MR shredders. It works against the rotating knives to create the shearing action required for controlled shredding, stable material breakdown, and consistent particle reduction.
In the market, this type of part may also be described as a bed knife, stationary knife, or fixed knife. For accurate replacement, the part should be matched by machine model, dimensions, mounting holes, bevel direction, and cutter arrangement rather than by name only.
🔩Machine Compatibility & Fit
This counter knife is a compatible replacement part for UNTHA MR shredders and UNTHA MR 1500 shredders.
Remark: Some machine manufacturers may adjust the parts design, mounting holes and dimensions in specific projects or upgraded machine series. We strongly suggest confirming the specifications and technical drawings with us to further avoid any installation problems and ensure a reliable fit.
📐 Key Specifications
This counter knife measures 491 mm in length, 110 mm in width, and 25 mm in thickness, with an approximate weight of 8.6 kg.
📌 Mounting & Fastening
This counter knife works with cutting tools and knife systems using the corresponding 37mm cutting crown or knife size arrangement.
⚙️ Performance & Blade Longevity
A well-made counter knife helps reduce unnecessary rotor stress and supports cleaner, more efficient cutting inside the shredding chamber. Fordura can manufacture this part with a tough tool-steel structure suitable for demanding recycling conditions, helping the fixed blade resist impact, abrasion, and edge deformation during continuous processing.
♻️ Real-World Applications
This blade can be used in recycling and size-reduction operations such as:
Fordura Replacement Blades and Wear Parts for Untha
Fordura offers replacement blades, knives, counter knives, holders, screens, and wear parts for UNTHA recycling machinery. Whether your operation uses shredders for plastics, waste wood, industrial scrap, RDF/SRF, or mixed recycling materials, Fordura helps reduce downtime with precision-manufactured replacement parts, factory-direct pricing, and custom support for high-wear components.
About Untha
Untha is an Austrian industrial shredder manufacturer with roots dating back to 1970 in Kuchl, near Salzburg. The company is known for reliable shredding technology and has developed a global presence through subsidiaries and distribution networks serving recycling, waste processing, wood recycling, and resource recovery industries.
The UNTHA product range includes different shredder classes for small, medium, and heavy-duty applications, covering single-shaft, two-shaft, and four-shaft shredding systems. The MR series is commonly associated with recycling and size-reduction operations where robust cutting components and reliable wear parts are essential for stable machine performance.
How Can You Benefit from Blades & Wear Parts Made by FORDURA?
Fordura helps recycling plants source replacement wear parts with better purchasing flexibility, faster communication, and practical manufacturing support. Instead of relying only on standard spare parts channels, buyers can work directly with a factory that understands industrial blades, machine knives, counter knives, and custom wear components.
