The following examples show what should be noted for connection points at connection elements.
Connection examples
Rule of thumb: Number, position, orientation and naming (numbering) of insertion points must be noted!
Number, position and naming results from the PCon classification.
Screws:
Cylinder head screw
Connection points:
IP 2: Top side screw head
IP 1: Contact face of screw head
IP 3: Screw end
Countersunk screw
IP 1: Top side screw head
IP 2: Bottom side screw head
Stud screw
IP 1: Top side
IP 2: Bottom side
IP 3: End of screw-in thread
Threaded pin
Nuts
Nut
Connection point:
IP 1: Contact face
Cap nut
Washers / rings
Washer
Ring
Borings
Through-hole with thread
IP 1: Material top side
IP 3: Material bottom side
Blind hole with thread
IP 2: Material bottom side
IP 3: Thread end
Through-hole with counterbore, flat resting
IP 1: Top surface of material
IP 2: Counterbore contact face
Through-hole for countersunk screw
IP 2: Counterbore end
Through-hole
![[Note]](/community/externals/manuals/ecatalogsolutions_en/v11/images/note.png)
