You searched for "parallel interface"
RS PRO
2.5mm Diameter Plain Steel Parallel Dowel Pin 12mm Long
Part: 270-530
Plain steel parallel dowel pin for precise component positioning and alignment.
RS PRO
2.5mm Diameter Plain Steel Parallel Dowel Pin 10mm Long
Part: 270-524
Tiny steel parallel pin for precise alignment in compact mechanical assemblies.
RS PRO
2.5mm Diameter Plain Steel Parallel Dowel Pin 20mm Long
Part: 270-546
Small steel pin for precise hole alignment in machinery parts.