Screws: How to Loosen a Stuck Phillips Screw (DIY ...
Slip a box-end wrench over the hex-shaped "boss" near the screwdriver handle (if equipped). Then coat the tip with valve grinding compound and jam it into the Phillips screw head. Push on the screwdriver while you crank on the wrench. Valve grinding compound. Valve grinding compound gives the screwdriver tip more grip. Photo 2: Hold, smack ...
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