Heavy-duty aluminum gear cases. Strong lightweight glass reinforced nylon motor housings and handles. High efficiency fans. Long life brush system. All ball and roller bearings. Ball bearing mounted armature. High impact resistant tool rest. Helical cut alloy steel gears and shaft
1/2" universal blade tang fits in all Sawzalls. Bi-Metal construction increases blade life, blades do not shatter. Matrix II teeth with 8% cobalt. Blade reversible in clamp. Sloped shape ideal for plunge cutting. Strengthened tooth tip. Wide gullet shape allows chips to clear the cut. Metal pipe, channels, tubing, angle iron up to 4", steel, and nail-embedded wood

Bi-Metal blades outlast conventional blades up to-3 times requiring fewer blade changes. Extremely hard and uniform tooth point is electron beam welded to a tough durable backing with high life for faster cutting longer blade life. Designed with varying set angles and gullet depths to break up the harmonic vibrations generated in cutting resulting in smoother quieter cutting and longer blade life

For metal over 1/8" thick

Instant field repair. Quickly detaches from tool. Hi-flex wire