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Impact Tools & Adaptors – Hex vs Square Drive

It seemed like not too long ago all electric impact tools were square drive and there were few cordless tools even available. Now everything has changed and there are many options including cordless tools all the way up to ¾” square drives with an impressive 525 ft-lbs torque. In addition to square drives for sockets we now also want to use these tools as impact drivers for screws and other fastening applications. This is exactly why Milwaukee has created a full line of Shockwave impact adaptors specifically designed to better handle the high stress points these tools can create. You can easily go from hex to square or square to hex depending on your needs.  

Just within Milwaukee Tools there are a wide range of Impact Tools:  

M12
2450-22 – ¼” hex – 850 in-lbs - $159
2451-22 – 3/8” Square – 1000 in-lbs - $179

M18
2650-21 – ¼” hex – 1400 in-lbs - $229
2651-22 – 3/8” Square – 2000 in-lbs - $299
2652-22 – ½” Square – 2200 in-lbs - $299
2663-22 – ½” Square – 450 ft-lbs - $379
2664-22 – ¾” Square – 525 ft-lbs - $449

V28
0779-22 – ½” Square – 325 ft-lbs - $473

Corded
9071-20 – ½” Square – 300 ft-lbs - $174
9075-20 – ¾” Square – 380 ft-lbs - $288

It is important to keep a few things in mind when selecting your tool and adaptors. One thing is with the hex impact adaptors you can use up to 1/2" square drive sockets but it will really only be able to get at most 1400 in-lbs (117 ft-lbs) which may be underpowered for many applications. On the other hand with a ½” 2663-22 you have almost 4 times the torque as the 2650-21 and while the adaptor may hold up, it would be extremely easy to break driver bits and strip screws. Just something to think about when thinking about impact adaptors. If you have any questions about Impact tools (air or electric), adaptors, applications or anything else feel free to contact the experts at Ohio Power Tool 800-242-4424 and they will be happy to help you find the right tool for the job.    

      

 

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