● Application：Metal working machine
● Materials: D2, SKD11, SKD61,HSS, Tungsten Carbide, etc.
● Size Capability: OD from 40mm-1500mm
● Hardness: HRC 40-90
● Sharpness: 18N-30N
● Tolerance: Within 0.002mm
● Edge Trimming: Numerical control grinding
● Designs: Round keyway lock, Square keyway lock, Dirt groove
● Finish: Precision finish, Mirror finish, Lapping finish
● Certificate: ISO9001
● OEM&ODM accepted
Engineered to match or exceed OEM standards, NJJF offers precision ground converting knives, knife holders, and rotary slitter blades in a wide variety of materials and coatings such as tungsten carbide, carbon steel, and ceramic coated. We offer same-day shipping on PET slitting blades in a wide range of thickness, materials, coatings, and edge geometries.
NJJF is an industry leader in manufacturing industrial slitter blades and other industrial knife-related parts and accessories. Choosing the ideal blade for your slitting process can be a challenge. However, shear slitting blades, razor slitting blades, and crush cut slitting blades are among the three most popular types. Our sales engineers can help you determine which blade solution will work best for your application.
The rotary knife is made of tungsten carbide materials, but other materials are available such as HSS, 9CrSi, Cr12Mo, VW6Mo5, Cr4V2, hard alloy, etc.
● Hardness guarantee
The raw materials are heat-treated, vacuum treated, and the hardness is higher. Heat treatment in your own factory to ensure product stability.
● Sharp edge
The round slitting knife-edge is sharp, smooth, sharp, and durable, imported precision processing equipment can process a variety of non-standard products to ensure the precision of the products.
● Long service life
The shear slitting blades have a low friction coefficient and long service life. Each blade detects inbound shipments, ensuring quality without worry.
Steel-choosing→Blanking →Forging Steel →Rough Processing →Heat treatment →Finishing→Testing
1. We choose high-quality raw materials
2. End manufacturer with competitive factory price
3. More than twenty years of experiences in making various blades
4.Each technical index reaches the international standard.
5. Passed the ISO9001 and CE quality certification
6. High wear resistance and waterproof.
7. Short delivery time&safe packaging
At NJJF, we sell 10-inch circular slitting blades and other rotary knife blades. We can design blades for a variety of machine models and customize each result for our customers. If you need a knife for a slitting application, the NJJF team will partner with you to find a shear slitting knife solution that meets your needs.