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Materials We Use

CPM M4 High Speed Tool Steel Knife (AISI M4)

California Knife & Blade manufactures and supplies quality industrial machine knives and blades completely manufactured from CPM M4 High Speed Tool Steel (AISI M4).

To see our premium quality custom and standard industrial machine knives and blades, please click here.

Properties: CPM 4M is a high-vanadium special purpose high speed steel exhibiting better wear resistance and toughness than M2 and M3 in cold work punches, die inserts and cutting applications involving high speed and light cuts. The high carbon (HC) modification to standard M4 is designed to provide optimum hardening response in large cross-section tools or in vacuum or atmosphere heat treating. The high sulfur (HS) modification is standard for large diameter bars providing enhanced machinability and grindabiltiy.

Application: Shaper Cutters, Shaving Cutters, Broaches, Milling Cutters, Gear Hobs, Rolls, Dies, Punches.

Chemical composition (average %) of CPM M4 High Speed Tool Steel (AISI M4)

Carbon (C) 1.40
Silicon (Si) 0.55
Manganese (Mn) 0.30
Chromium (Ch) 4.00
Molybdenum (Mo) 5.25
Vanadium (V) 4.00
Sulfur (S) 0.06
Tungsten (W) 5.50

Obtainable hardness: 63.5 – 65.5 Rc

Please contact us today to learn more about how we can help you save money, time and get longer-lasting blades.

Please click on links on the left to learn more about the materials we use to craft high quality knives and blades.

California Knife & Blade is committed to manufacturing and supplying highest quality industrial knives and industrial blades at affordable prices and delivering its quality blades exceptionally right on time within an average lead time of two weeks or usually even less.

We are highly specialized in and capable of manufacturing Custom Blades & OEM Industrial Knives and Industrial Blades for a wide variety of converting industries and medical industry.

* Paper Cutting Knives, Paper Trimmers, Guillotine Knives & Blades
* Cardboard Cutting Knives
* Food Processing Knives and Blades
* Textile Cutting Knives snd Non-woven Cutting Blades
* Packaging Knives, Packaging Blades and Tooth Cut Off Knives
* Plastic Cutting Knives and Plastic Processing Bladess
* Tire Cutting Blades and Rubber Cutting Knives
* Poultry Processing Knives and Meat Processing Blades
*
Woodworking Blades
* Medical Blades, Surgical Blades, Medical Scalpels, and Custom Medical Blades,
* Metal Working Knives and Shear Blades for Metal Industry


* We shine on very quick delivery of Custom Industrial Blades such as Circular Knives & Blades, Slitting Knives & Blades, Circular Saw Knives & Blades, , Straight Blades, Convex Blades, Toothed Blades, and Toothed Circular Blades, Carbide Knives & Blades, Circular Carbide Knives, Circular Carbide Blades, M2 HSS and CPM Knives & Blades, Perforating Blades, Taper Blades, Chipper Knives & Blades, Mill Knives & Mill Blades, Sheeter Knives & Blades, Top & Bottom Rotary Cut Blades. Please click Custom Blades by Industry for the entire range of custom blades that we can make for you.


* We also carry a large volume of in-stock OEM blades such as Granulator Knives & Blades and Granulator Screens, Shredder Knives & Blades, OEM Packaging Knives & Packaging Blades, OEM Circular Slitting Knives & OEM Circular Slitting Blades, OEM Pelletizer Knives & OEM CPelletizer Blades, OEM Score Slitting Knives & OEM Flat Slitting Blades, 3M Taper Blades, Urschel Knives & Urschel Cutter Slicer, APV Crepaco Freezer Scraper Knives & Blades, Potato Chip Processing Blades & Knives, Cumberland Granulator Knives & Blades, and Cumberland Granulator Screen and many more. Please click OEM In-Stock Blades for all converting industries and medical industry.