Round head
Countersunk head
Cheese
T-head
Side triangular groove
UNI 7587
Grooved pins-Full-length parallel grooved with chamfer
UNI 7586
Groovd pins-Full-length taper grooved
UNI 7588
Grooved pins-half-length taper grooved
UNI 7589
Grooved pins-Half-length reverse-taper grooved
