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I have just completed a project using my Makita 18v impact driver. I must have gone through about 8 or 10 phillips head bits. I know I was using the right size bit for the screw, but after driving 8 or 10 the head of the bit was eaten up and would not hold. This impact is quite strong. I was using those cheap package deal style bits from Black and Decker. I need recommendations for some really good, strong, professional grade bits that will hold up to the power of this impact driver. I am about to build a deck and at the rate I was going through these cheap bits, I would probably have to buy 50 to complete the job. thanks
Can you post a pic of the phillips head tips you were using? There are two types of phillips head #2 bits. The original and standard is designed to pop out of the screw head when it reaches a certain torque. They suck because they end up stripping the screw head and you can't drive screws deep enough. This is standard phillips Standard phillips click on the pic and it will give you a closer look. when I use phillips I use a #2 that has a stubbier point and doesn't strip nearly as easily as the other. They usually just break off. Could be you just got crummy bits. You also have to be careful with an impact driver. They will run very fast and will strip a screw quickly if you are not careful. If your bits aren't breaking but getting beat up from stripping the screw heads I'd think you might be using the drive improperly.
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I was not having any problem with the screw stripping, but the bits were as you say popping out. They are not "stubby" on the end, they are pointed, are you saying maybe I should get the stubby kind. I am no expert, but I don't think I was using it improperly, I clearly think I either had the wrong style bit, even though it fit the screw head perfectly, or they were just junk. I have never had this problem until I started using this impact. I love it and will never go back to a conventional electric screw driver.
The stubby ends work better also get the Makita or some other high end brand works best.
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I agree on the blunt end bits (Dewalt) but on your deck you need to get the screws with the square and/or phillips slots in the heads (Deckmate). They come with a hardened bit but I don't use it and use a #2 square bit instead. Try it you'll like it a lot better than phillips.
on edit: with the impact driver I don't know of any bits that you won't be able to snap. If it has a way to lessen the torque, turn it down a little.
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There is an article in the new Fine Homebuilding magazine on screwdriver tips. I'd give more info but its in the truck and too lazy to go get it, wife cooked an awesome meal. There are different types and sizes obviously. But I didn't realize some were forged and the price reflects that as they are in 2-3 dollar range each. The ones you are using must be on the cheap side. I've driven screws all day long with my 14 volt Makita Impact and only broken a couple tips. Granted its not an electric.
I am all in for some forged tips, just don't know where to buy them. I also think the torx suggestion is a good one. This impact drives screws like they are going through butter, so I know there is a lot of pressure on the bit. I was using very expensive screws and therefore even when the bits were slipping the head was not damaged. I just need to get a bit/screw system that can handle the power of this impact, cause in no way no fashion am I going back to a conventional battery powered screw driver. I was driving 3 inch screws in about two seconds. Means a lot to me, both time and effort.
I always buy the Hilti impact bits and I can get a good life out of them.
If you're building a deck you really shouldn't be using an impact driver anyways. A standard drill with a driver bit in it will work so much better when putting longer screws in to wood.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: _Mike_</div><div class="ubbcode-body"> A standard drill with a driver bit in it will work so much better when putting longer screws in to wood. </div></div>
Maybe that is where I am missing this. I have a Bosch 18v Screwdriver, but once I used the impact driver it just seemed effortless to drive the screws, whereas otherwise I was always fighting them. That is why I prefer the impact. What am I missing? I am not contradicting you, I just don't understand. Thanks
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