The DeWalt DW3726-5 U-shank reciprocating jig saw blade is a 24 TPI thin metal blade made from high-speed steel (HSS) with a reinforced tooth design for long life. Sold five blades per card. Universal U-shank shape fits older DeWalt, Bosch, Skil, Black & Decker, Craftsman, and Porter-Cable jig saws (note: most newer jig saws use a T-shank - check your saw before buying).

• Blade length: 3", 24 TPI
• Material: high-speed steel (HSS)
• Reinforced tooth design for extended cutting life
• Universal U-shank fits older DeWalt and most pre-T-shank jig saws
• 5 blades per pack (DW3726 blade in a 5-card)
• Reinforced tooth design holds an edge up to 10x longer than carbon-steel blades in metal.

Application: Use this 24 TPI thin metal blade for cutting 22 to 16 gauge sheet metal (HVAC duct, auto body panels), aluminum trim, brass tubing, and copper pipe. 24 TPI keeps at least 3 teeth in contact with thin stock to prevent tooth strip and tear-out.

Tooth Pitch Selection: Match TPI to stock thickness - lower TPI cuts faster in thicker material, higher TPI prevents tooth-skip and tear-out in thin material. Within the U-shank family: 6 TPI (DW3700) for 2x wood and thick plywood, 14 TPI (DW3724) for 1/16-1/8" metal, 24 TPI (DW3726) for sheet metal 22-16 ga, 36 TPI (DW3728) for very thin sheet 24 ga and lighter. Keep at least 3 teeth in the cut at all times.

Cutting Tip: Let the blade do the work - heavy feed pressure breaks teeth and burns the cut. For metal, apply a few drops of cutting fluid and use a low blade speed; for wood, run the saw at full speed and use a steady forward feed. Replace blades at the first sign of edge dulling - a dull jig saw blade wanders off the line and burns the work.

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