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Phillips, JIS, and Pozidriv screwdrivers explained
„In this post I’ll explain how to find a cross-head (Phillips) screwdriver that doesn’t slip out when trying to unscrew a tight screw. Will do that first, briefly. Then comes some history, and standards explanation (including JIS), in an attempt to provide a more universal way of recognizing the good, well fitting screwdrivers – and clarify what it’s all about. Alas, if you’ve ever fixed bicycles, motorcycles, or any appliance with cross-head screws, you know how frustrating it gets when your screwdriver just keeps slipping out, especially when you are trying to loosen a stuck screw. It doesn’t have to be like that. Let’s dive into this problem.“
https://bike.bikegremlin.com/10583/p...ozidriv/?amp=1
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