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Metric DIN 94 Cotter Pins

Steel Zinc and Stainless Steel

Metric DIN 94 Cotter Pins, also known as split pins or hair pins are locking fasteners designed to be inserted through a hole in a bolt, then bent, locking the bolt into place. Often used after a nut is attached to keep the nut from loosening. These pins are made of steel wire zinc plated or stainless steel wire.