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The AMERICAN SAW MFG CO 1991577 is a 3-pack of T-shank jig saw blades engineered for cutting thin metal less than 1/16 inch thick. Each blade measures 3-5/8 inches in length, 3/8 inches in width, and 0.037 inches in thickness, with a 32-tooth configuration suited for fine, controlled cuts in sheet metal and similar thin-gauge materials. The blades feature Power Blast Technology for increased durability and patented T2 Technology for fast, efficient cutting across a range of metal cutting applications. Licensed tradespeople and experienced DIYers install these blades in standard T-shank compatible jig saws.
These blades are intended for thin metal fabrication and cutting tasks in residential, commercial, and light industrial settings. The 32-tooth count delivers a smooth finish on thin-gauge metal, making them appropriate for sheet metal work, HVAC ductwork trimming, electrical panel cutouts, and similar trade applications where clean, controlled cuts are required. The 3-pack format supports job-site efficiency by providing spare blades for extended work sessions or multi-cut projects.
Designed as an OEM-style replacement for T-shank compatible jig saws used in thin metal cutting applications.
Blade changes should be performed with the jig saw powered off and unplugged from the power source. T-shank blades are tool-less on most modern jig saws, but verify the tool chuck is fully engaged before use. Wear appropriate cut-resistant gloves and eye protection when handling or changing jig saw blades. Follow applicable workplace safety codes when operating power tools in trade environments.
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