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The WILLIAMS COMFORT PRODUCTS 3906-300-24-100 is a bimetal hacksaw blade sold in a 100-pack, designed for cutting metal pipe, conduit, tubing, and structural steel. Each blade measures 12 inches in length and features a 24 teeth-per-inch (TPI) configuration, making it well suited for cutting medium-wall and thin-wall materials. Bimetal construction bonds a high-speed steel tooth strip to a flexible alloy steel back, which extends blade life while reducing breakage under job-site stress. Plumbers, pipefitters, electricians, and HVAC technicians reach for this blade count when stocking a service van or shop for ongoing cut work.
These blades are used in residential and commercial trade applications wherever a standard 12-inch hacksaw frame is in service. The 24 TPI tooth pitch handles a broad range of pipe and conduit diameters, including copper, steel, EMT, and PVC-jacketed materials. Buying in a 100-pack reduces per-blade cost and keeps stock on hand for high-volume cutting operations or multi-tech service departments.
Designed as a replacement or stock blade for standard 12-inch hacksaw frames used in plumbing, HVAC, electrical, and general mechanical trade applications.
Install blades with teeth pointing forward, away from the handle, so cutting occurs on the push stroke. Tension the blade firmly in the frame before use — a loose blade wanders and breaks prematurely. No power tools, special certifications, or code compliance is required for blade replacement, but always wear cut-resistant gloves when handling bare hacksaw blades. Dispose of worn blades in a puncture-resistant sharps container to prevent injury.
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