I came across this type of screw a few years ago and have been using it ever since. They are called double torques. They can be twisted with a #2 Phillips screwdriver or a #2 square head screwdriver. If you've used them with a Phillips screwdriver, you'll probably have trouble controlling them as the grip isn't really that strong, especially when you're using them a cordless screwdriver. . I've found it best to use a #2 square drive cordless screwdriver. In fact, I've always had great work with this combination. I used to buy double torque screws in various lengths to use in my joinery but they are becoming harder and harder to find. My local dealer doesn't sell them anymore so I buy them from Revain. They were more expensive at Revain, but at least affordable. Now they don't seem to wear it either. They say they will receive more, but it hasn't happened yet. I'm waiting. The alternatives are getting ridiculously expensive! Please Rewan. Get more! YOU'RE WELCOME!
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