Hacksaw Blades are narrow, replaceable steel strips with a row of fine teeth, designed to be clamped into a hacksaw frame for manual cutting of metal, plastic and other materials.
Key Characteristics:
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Material: Typically made from high-carbon steel or bi-metal (high-speed steel teeth bonded to a flexible spring steel backing) for a balance of hardness and flexibility.
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Tooth Pitch (TPI): Available in a range of teeth-per-inch (commonly 14, 18, 24, 32 TPI) to suit different materials—coarser blades for soft or thick stock, finer blades for harder or thin sections.
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Standard Lengths: Most hacksaw blades are 300 mm (12 in) long; shorter lengths (250 mm/10 in, 150 mm/6 in) suit junior or mini frames.
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Set & Kerf: Teeth are “set” (bent alternately left and right) to create a kerf wider than the blade body, preventing binding in the cut.
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Edge Hardening: Teeth are heat-treated or induction-hardened to maintain sharpness and resist wear.
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Mounting Holes: Ends punched with slots or holes that engage the frame’s pins or pegs for secure fitting and correct tooth orientation (cut on the pull, push or both strokes).
Common Uses:
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Metal Cutting: Trimming pipes, bar stock, bolts or angle iron in fabrication and maintenance work.
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Plastic & PVC: Cutting conduit, tubing and ductwork cleanly without excessive chipping.
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General Workshop Tasks: Short, controlled cuts where power tools are impractical or where fine control is required.
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On-Site Repairs: Quick removal of fasteners or damaged sections when portability and minimal setup are priorities.
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Flush & Detail Work: Using narrow or junior blades for flush-cutting dowels, rivets or protruding screws.
