Type A - Headed dowel, low Type
Type B - Workholding bolt, high, cylindrical
Type C - Workholding bolt, high, flattened
DIN 6321 Locating Pin, Headed Dowel, Steel
Locating pins DIN 6321 are inserted into bores for positioning, assisted by the flattened design (Form C) to compensate tolerances in the spacing of two bores. Another application of this design is to fix parts to be positioned in one direction only.
Types A and B can also be used as bearing surfaces, stops or as foot.
Pin body : Steel, tempered, hardened
Type A: Cylindrical, no center hole (seating pin)
Type B: Cylindrical, with center hole (locating pin)
Type C: Flattened, with center hole (locating pin)