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Need impact wrench power in space way too small for the big gun?  You need a “butterfly impact wrench” like the one pictured above from Campbell Hausfeld.  It’s a 3/8″ drive model that delivers 75 ft-lbs of torque — about all you should apply to 3/8″ drive sockets anyway — yet measures only 3.8″ wide x 2.1″ high.

A caveat, though: be careful not to mash your fingers.  At full torque, it’ll spin around in a hurry, so you’ve got to be prepared.  This won’t replace your standard impact wrench, but when you need it, you need it.

The “butterfly” switch on the top controls direction — tilt it one way for forward, the other way for backward — and the nut on the bottom adjusts pressure to limit torque.  Craftsman, Astro, Chicago Pneumatic, and many other manufacturers offer these as well, and starting at around $40 there’s really no reason not to have one in the shop. 

Butterfly Impact Wrenches [Google Products]
Via Amazon [What’s this?]

 

4 Responses to An Impact Wrench For Tight Spaces

  1. Steve Thompson says:

    Thanks for the heads up. I could have used this this past weekend.

  2. eschoendorff says:

    I have a cheapie version of this from HF and it works great for what it is.

  3. l_bilyk says:

    I have the exact some one as pictures, but I have yet to need it. I hear it’s good for doing exahaust work

  4. Ronnie says:

    Awesome tool! have many! Great for tight places..

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