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#1
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Some bits not suitable for impact driver?
Hey All,
I just got yesterday the Makita 14.4 kit that includes their impact driver (as well as drill/driver, and worklight). In preparation, I bought a "screwdriver" (first clue?) bit set (40pc.) by Hitachi - but it's all 1/4" hex shank, as I need, so I figured they would work fine. And there was nothing on the packaging about NOT using them w/ impact drivers. Well, it didn't take long to shatter not one, but two P2 (phillips) bits driving cement board screws into 1/4" cement board/ply subfloor. They shattered right at the end of the drive, as the head of the screw was nearly flush w/ the backerboard. My question is: should I be looking for driver bits SPECIFICALLY for impact drivers? Thanks, Chris |
#2
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"TheNewGuy" wrote in
oups.com: snip Well, it didn't take long to shatter not one, but two P2 (phillips) bits driving cement board screws into 1/4" cement board/ply subfloor. They shattered right at the end of the drive, as the head of the screw was nearly flush w/ the backerboard. My question is: should I be looking for driver bits SPECIFICALLY for impact drivers? I had three phillips bits break, doing the same thing, with a 12v DeWalt (3/8") drill driver. Sometimes, I think it's just the cheap bits. There is a reason some of them are 49 cents, and some are $2. My hardware guy has the better ones, if I ask for them. BTW, congrats on the impact driver. The Bosch I got is wonderful, and I can't imagine the Makita won't serve you well for quite a while. Lots easier on the shoulder and elbow. Patriarch |
#3
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Thanks Patriarch. So, are the good bits you buy branded?? And have
you tried any of Bosch's bits? I was thinking that'd be my replacement after I return the Hitachi bits. But then I got to (pessimistically) thinking that these "kits" are probably all coming off the same factory in Taiwan, and just badged at the end of the line.... If you have a brand, that'd be good. Thanks, Chris |
#4
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On 2005/9/23 12:15 PM, "TheNewGuy" wrote:
In preparation, I bought a "screwdriver" (first clue?) bit set (40pc.) by Hitachi - but it's all 1/4" hex shank, as I need, so I figured they would work fine. Well, it didn't take long to shatter not one, but two P2 (phillips) bits driving cement board screws into 1/4" cement board/ply subfloor. My question is: should I be looking for driver bits SPECIFICALLY for impact drivers? Yes. Look in the section of a good tool store where they sell air tools. You will find socket and screwdriver bits design for both hand and powered impact tools. |
#5
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"TheNewGuy" wrote in message oups.com... Hey All, I just got yesterday the Makita 14.4 kit that includes their impact driver (as well as drill/driver, and worklight). In preparation, I bought a "screwdriver" (first clue?) bit set (40pc.) by Hitachi - but it's all 1/4" hex shank, as I need, so I figured they would work fine. And there was nothing on the packaging about NOT using them w/ impact drivers. Unless the package says it is usable with impact drivers (because these cost more to make and buy), they will break and do other bad things. Jim |
#6
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Jim (& Robert) - thanks for your replies.
-Chris |
#7
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TheNewGuy wrote:
Apex is a good brand of 1/4" hex screwdriver bits. You'll probably have to get them from an industrial distributor rather than Home Despot, however. -- --Steve |
#8
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so far I have not had any problems with bits from a couple of local
stores. they seem to be good and they are not a name brand and they are not junk. my sockets have held up fine to the impact driver too. sometimes name brands are junk in disguise. and full sets can be the worst. Knight-Toolworks http://www.knight-toolworks.com affordable handmade wooden planes |
#9
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