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Metric DIN 1587 and DIN 917 Cap Nuts | Steel, Stainless, Brass, Nylon

Metric Din 1587 and Metric Din 917 Cap Nuts or Dome Nuts are standard hex nuts with a rounded top used to protect the thread of the bolt and/or for decorative purposes. They are available in a variety of materials including steel, stainless steel, brass and nylon. Din 1587 has a high dome while Din 917 a lower cap.