Makita A-85743 Jig Saw Blade, Bayonet Type No. B-23, Thick Metal

Makita jig saw blade A-85743, bayonet type No. B-23, for cutting thick metal. Bayonet shank, fitting Makita jig saws and other saws taking a T-shank blade.

What it is for

Cutting steel plate, heavy sheet and section with a jig saw. The tooth pitch is fine and closely spaced, which is what metal demands — a coarse wood blade put into steel will lose its teeth within seconds.

Cutting metal with a jig saw

• Keep at least three teeth in contact with the material at all times. That rule decides which blade you need more than anything else.
• Run the saw slowly and switch the orbital action off. Orbital action is for wood; in metal it just batters the teeth.
• Clamp the work. Sheet metal that vibrates will shred a blade and leave a ragged edge.
• A little cutting fluid along the line extends blade life noticeably.
• Expect a burr on the underside and allow time to dress it.

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

Product No. B-23

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