Blade construction has to match the work. KECHOO uses three families: hardened, bi-metal, and carbide. The right choice depends on workpiece, machine rigidity, production volume, and whether you need finish, speed, or blade life first.
Hardened
High-carbon steel with precision induction-hardened teeth. Used for food and bone, wood, and lighter general-purpose cutting where a bi-metal edge is unnecessary.
Choose hardened when the machine is a butcher or woodworking saw, the workpiece is meat, bone, or timber, and you need a clean, economical blade that can be replaced on a production schedule.
Bi-Metal
A flexible alloy-steel backing joined to an M42 high-speed-steel tooth edge. This is the standard production choice for carbon steel, structural tube, and general fabrication.
Choose bi-metal when you are cutting metal on a vertical or production band saw, need shock resistance, and want a proven general-purpose tooth edge. Break in a new blade before full feed.
Carbide
Carbide-tipped blades for rigid machines, abrasive materials, high alloys, nickel alloys, and large sections. They cost more and require stable guides, correct speed, and consistent coolant.
Choose carbide when bi-metal tooth life is too short, the material work-hardens, or the section is large enough that a carbide tooth form pays back in fewer blade changes.
How we specify a blade
- Application and workpiece material
- Machine model or known blade length × width × thickness
- Section size, which sets TPI
- Duty: finish, speed, or blade life
- Stock match first, custom weld or RFQ when the size is unlisted