Top types of screw heads diagram Secrets

Phillips push allows for a superb relationship among the driving force as well as the screw which allows for the ability to tighten/loosen well. Slotted or Flat TravelA square nut, shown in fig., is Employed in conjunction with a sq.-headed bolt. The spanner employed for the nut may have a greater hold over a square nut than on a hexagonal nut.Choo

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