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Also called pig nose or twin gap, this screw head has two round holes which have been reverse one another and resemble a pig’s nose. It's a stability-design screw to circumvent tampering. You will want a Distinctive spanner screwdriver for this type of screw head. Allen wrenches are mos

Notice: You’ll also want to invest in a drywall dimple little bit to setup these, because it isn’t always A part of a regular bit set. Some manufacturers provide screws using a serrated thread, which makes it possible for the thread to cut by means of the material becoming screwed ext

One of the most iconic screw head types, the Philips screw head, was built to combat problems with the slotted screws, which had slippage challenges. The Philips head has a straightforward crosshead style and design and is particularly the foundation for all kinds of other improved screw head layout