Macey-Harris 640 upper front knife, 558.8x76.2x9.52mm, 7x1/2in-13, 4x1/4in-20, HcHCr
- Made to order
Upper front knife (blade) for Macey-Harris 640 cutting machine. The blade is made of High Carbon High Chromium Steel (HcHCr) material for heavy-duty and trouble-free operation. It has unmatched sharpness and cutting with high wear resistance. Manufactured to high precision in a modern manufacturing plant. Suitable for cutting all kinds of paper, boards, foils, rubbers, and other materials for the print and paper industry.
High Carbon High Chromium Steel (HcHCr) blade and its performance are equivalent to blades marketed as Chromalit.
Please note: images of knives are provided for illustrative purposes only. Please refer to the technical specification for the dimensions and configuration of threaded holes and other features.
Consider ordering cutting sticks together with the Macey-Harris 640 knife and save on shipping costs.
- Knife Dimensions:
- 558.8 x 76.2 x 9.52 mm
- Knife position:
- Upper front
- Holes and fixing points:
- 7 x 1/2in-13, 4 x 1/4in-20
- Blade Material:
- High Carbon High Chromium Steel (HcHCr)
- Known Compatibility:
- Macey-Harris 640
- Additional Information:
- This knife size: 22" x 3" x .375"
- Manufacturer (OEM) IDs:
- B-640-0-1504 / 200 1303
Packaging and shipment:
This knife ships from the EU (European Union). Knives exceeding a weight of 3 kg weight ship packed in a specialized holster/box for maximum protection of the blade as well as health and safety reasons. The cost of the transportation box and other packaging materials is included in the shipping price.
Information about blade material:
The blade of this knife is made of High Carbon High Chromium Steel (HcHCr) material. The quality of cut, time between sharpening, and the life of the blade are all dependent on the metal alloy used. The following chart presents the typical qualitative lifetime of various blade materials.
Depending on your application, you can save cost, improve the quality of cut, and increase the interval between sharpening, while reducing downtime of your cutting machine by purchasing a blade made of a higher grade metal alloy.
Material legend / abbreviations:
SS: standard steel (also known as Swedish Steel, Durapid, Tool Steel)
HSS: high speed steel (also known as Duritan)
TC: tungsten carbide (also known as Hartmetal, HM, Incomet, TCT, Widia)
TC-F: fine grain tungsten carbide (also know as Longlife, Incomet Supreme, Premium)
TC-U: ultra-fine grain tungsten carbide (also known as Megalife, Genesis, Ultra cut, Vitech)
Customized industrial knives
If you cannot find a knife for your machine or require a custom-made knife, please do not hesitate to contact our Customer Service.