Parallel pins
Parallel pins in accordance with this 5tandard are designed for the fastening of two or more individual elements. A friction type connection can be achieved by the selection of suitable fits If such a connection is meant to be disconnected repeatedly, then it becomes preferable to use taper pins in accordance with DIN 1.

Check out other specifications
NUT, PLAIN, HEXAGON, MACHINE SCREW UNC-2B
Button head screws — Part 1: Hexagon socket button head screws
Product grade A washers with a hardness up to 250 HV designed for use with hexagon head bolts and nuts
Technical drawings—Screw threads and threaded parts—Part 3 : Simplified representation
Plain washers – Small series – Product grade A
Full-length taper grooved pins (ISO 8744 : 1986) English version of DIN EN 28 744