The SF4000 drywall gun can be used alone or with an optional SMI 55 Plus magazine for driving collated screws. The magazine, which also fits the cordless model, snaps into place and installs without tools.
The SF4000 drywall gun can be used alone or with an optional SMI 55 Plus magazine for driving collated screws. The magazine, which also fits the cordless model, snaps into place and installs without tools.

Screw guns are an integral part of any drywall contractor's arsenal. Over the years, I've tried many makes and models of drywall guns, but I heard about Hilti's only recently. I'm something of a tool fanatic, so when the folks at JLC asked me to test some Hilti drywall guns, I was eager to do it.

A box of tools arrived last fall and I hung drywall with them for about three months. The carton contained an SF4000 corded screw gun, an SF4000A cordless screw gun with a charger, an SF4000A BAP battery adapter, and two nickel metal hydride (niMH) batteries. It also contained an SMI 55 Plus magazine with an optional SME extension; the magazine...

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