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Cam-out refers to somewhat that slips out on the screw head. In other words, For anyone who is aiming to tighten a screw, the the screwdriver tip keeps slipping out of the screw head, you’ve knowledgeable a cam-out. Pan Washer Head. This head style is a mix of a screw plus a washer. The pinnacle could be circular or hexed, and has a washer desi