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javadog javadog is online now
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Join Date: Apr 2005
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I'm going to add one more thing, that points out two different aspects to this discussion. One, there are surface finishes and treatments that some bits have that help prevent cam-out. Two, take a note in the difference of the angles and radii on these four bits. There is less standardization in the shape of a bit then there should be. The same can be said for screws, some are vastly better formed than others. I tend to buy all of my fasteners at supply houses , I never buy the (China) junk they sell in the box stores and general hardware stores. For existing screws, I always check the fit of the bit in the screw before using it.

https://www.finehomebuilding.com/2007/11/06/whats-the-difference-phillips-head-screwdriver-bits
Old 11-28-2018, 06:42 AM
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