Makita B-16857 Recipro Saw Blade, Bi-Metal, Metal Tube

Makita recipro saw blade B-16857, bi-metal, for metal tube. Universal shank, fitting Makita reciprocating saws and other sabre saws with a standard fitting.

Why tube needs its own blade

Tube is the hardest thing to cut with a reciprocating saw, because the wall is thin and the blade is only in contact with a small arc of it at any moment. A coarse blade drops a tooth into the gap, catches, and strips. This blade carries the fine tooth pitch that keeps several teeth engaged in a thin wall throughout the stroke.

Technique

• Begin on the curve of the tube rather than the top, so the teeth feed in gradually.
• Keep the shoe pressed firmly and pivot the saw through the cut.
• Clamp or support the work. Tube that rings and vibrates will destroy a blade and leave a torn edge.
• Support the falling end so it cannot pinch the blade as you break through.

Tooth pitch, blade length and capacity are in the table below.

Product No. B-16857

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