Brand

Industrial knives

SIKNIVES covers industrial knives and related replacement parts for various industries like metal, wood, recycling, paper and cardboard, and some other industries.

50 years of extensive experience and cooperation with leading machine builders (OEM) in R&D projects and knife users make our cutting products widely recognized for their high performances.

 

SIKNIVES offers premium blades designed for a variety of applications. The knives are made of high-quality materials, which increases durability, machine performance and service life. This results in reduced maintenance and lower overall costs. We use carefully selected types of steels, from high-alloyed conventional steels to high-speed steels from powder metallurgy and tungsten carbide.

 

50 years of industrial knives production
 

Each knife is manufactured to strict quality standards and processed using the latest technology to ensure consistent quality and optimal performance.

Categories


  • SIKNIVES  for rolling mills and  for profile and pipe production

Industrial knives for metal are essential in rolling mills, where they are used for cutting hot and cold rolled sheet metal and in plate mills. They also play a critical role in the production of black pipes, as well as cold rolled and stainless steel pipes.


  • SIKNIVES for non-ferrous alloys and for steel service centers

Our knives are also expertly utilized in rolling mills for non-ferrous alloys, providing precision cutting for materials like copper and aluminum. These custom-made knives are available in a broad range of steels, including those designed for impact resistance, wear resistance, hot and cold work, high-speed cutting, nickel-based alloys, and more. 


  • SIKNIVES for processing lines and for metal scrap recycling and demolition

Mentioned knives are indispensable in various processing lines, including pickling, galvanizing, tinning, painting and cold reduction lines. They are suitable for side trimming, scrap chopping, sanding and cutting to length. In addition, they are vital in the recycling of various ferrous and non-ferrous metals and cast iron, providing consistent performance in metal scrap recycling and demolition.


Our extensive product range i  includes straight blades up to 6 meters in length, round blades with a diameter of up to 1,400 mm, and uniquely shaped blades for various profiles such as round, hexagonal, and angled bars, as well as bed frames and notcher knives. Additionally, we produce stripper rings, forming rolls for tubes and profiles, machine ways, special wear parts, and knife holders, ensuring comprehensive solutions for all your metal cutting needs.


  • SIKNIVES for shredding

We provide high-quality shredder knives designed for efficient shredding and volume reduction of various municipal and industrial wastes, including WEEE, tires, plastics, paper, cables, aluminum, copper, pulp, biomass, rubber, wood, pallets, medical waste, oil filters, textiles, and batteries.


  • SIKNIVES for granulating

Our granulator knives are expertly crafted for converting recyclable materials such as PET, plastic, copper, aluminum, and rubber into granulate, making them ideal for the recycling industry. 


  • SIKNIVES for scrap metal recycling

We offer specialized recycling knives designed to handle a broad spectrum of ferrous and non-ferrous metals, including cast iron, ensuring optimal performance in recycling centers. 


  • Wear and spare parts

Additionally, we supply durable wear and spare parts to ensure the longevity and performance of your equipment.


Our commitment to precision and durability ensures that SIKNIVES products not only meet but exceed industry standards, providing reliable solutions for even the most demanding shredding and recycling applications. Whether you're processing waste or recycling materials, SIKNIVES knives are designed to enhance productivity and reduce downtime, making your operations more efficient and cost-effective. 


  • SIKNIVES for veneer and plywood

We produce high-quality veneer knives up to 6,000 mm (236 inches) in length, crafted from high-grade through-hardened solid steels and inlay steel. We manufacture rotary clipper knives for plywood and veneer production.


  • SIKNIVES for wooden chips production

Our chipper knives are designed for a variety of wood types and conditions, providing exceptional performance in wood chip production. These knives are available in different grades and are vacuum hardened to ensure durability and efficiency. 


  • SIKNIVES for OSB, MDF and particle board production

We manufacture high-performance knives for grinding wood pulp, essential for producing OSB, MDF, and particle boards. Our flaker knives are available in various material grades, tailored to suit different machinery and wood types. 


  • SIKNIVES for saw milling

Our saw milling product range includes trimmer knives and ultra-thin planing knives, made from high-grade carbide-tipped steel, premium high-speed steel, and tool steel. These knives are engineered for superior edge retention and performance across various applications. 


Comprehensive Parts and Accessories
We provide an extensive selection of wear and spare parts, including knife holders, mill sieves, screws, washers, nuts, wear plates, and pressure bars, ensuring you have everything needed for seamless operation and maintenance. 


  • SIKNIVES for paper, cardboard and corrugated cardboard

 Our product line features cutting-edge industrial knives designed for the paper and cardboard industries, including knife holders and a variety of knives tailored for processing pulp, paper, and cardboard materials. 


  • SIKNIVES for packaging and for foil

We also provide specialized knives for the packaging sector, as well as knives for cutting and perforating foils and similar materials. Our packaging knives are ideal for use in pipe and tube mills, handling both cutting and trimming tasks. Our foil knife assortment includes both perforating and non-perforating straight and circular knives  with and without teeth.


Optimizing Knife Performance
Choosing the right materials and processing techniques is crucial for maximizing the lifespan and performance of your knives. In this industry, precision cutting, sustained sharpness, and durability are essential. 

Our knives are made from high-quality materials and according to strict quality standards that ensure the achievement of tolerances and professional processing. Our experience, knowledge and new technologies allow us to advise you and help you optimize your cutting process.


We produce knives according to your requirements.


Our rich experience and own R&D Department allow us to customize knives to special requirements, reflected in the durability of knives, increased machine uptime, lower energy consumption and enhanced machine output.


Knives for tyre and rubber industry


Knives for food industry


Ice scrapers - Ice planing knives

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Head of Sales program Knives

Boštjan Ranc
Sales
SIJ Ravne Systems
Boštjan Ranc