5.12.3.1.1.1. Attachment points on screw connection elements

The following illustrations provide you with all the important information on the various screw fittings.

  • Screws:

    Cylinder head screw

    Cylinder head screw

    Attachment points [Connection points]:

    • IP 2: Top side of screw head

    • IP 1: Contact surface screw head

    • IP 3: Screw end

    Countersunk screw

    Countersunk screw

    Attachment points [Connection points]:

    • IP 1: Top side of screw head

    • IP 2: underside of screw head

    • IP 3: Screw end

    Stud bolt

    Stud bolt

    Attachment points [Connection points]:

    • IP 1: Top side

    • IP 2: Bottom side

    • IP 3: End of screw-in thread

    Grub screw

    Grub screw

    Attachment points [Connection points]:

    • IP 1: Top side

    • IP 2: Bottom side

  • Nuts

    Mother

    Mother

    Attachment point [Connection point]:

    • IP 1: Support surface

    Cap nut

    Cap nut

    Attachment point [Connection point]:

    • IP 1: Support surface

  • Discs / Rings

    Disk

    Disk

    Attachment points [Connection points]:

    • IP 1: Top side

    • IP 2: Bottom side

    Ring

    Ring

    Attachment points [Connection points]:

    • IP 1: Top side

    • IP 2: Bottom side

  • Drill holes

    Through-hole threaded hole

    Through-hole threaded hole

    Attachment points [Connection points]:

    • IP 1: Top side of material

    • IP 3: underside of material

    Blind hole threaded bore

    Blind hole threaded bore

    Attachment points [Connection points]:

    • IP 1: Top side of material

    • IP 2: underside of material

    • IP 3: Thread end

    Through-hole with countersink, smooth surface

    Through-hole with countersink, smooth surface

    Attachment points [Connection points]:

    • IP 1: Top side of material

    • IP 2: Lowering contact surface

    • IP 3: underside of material

    Through-hole for countersunk screws

    Through-hole for countersunk screws

    Attachment points [Connection points]:

    • IP 1: Top side of material

    • IP 2: End of subsidence

    • IP 3: underside of material

    Through hole

    Through hole

    Attachment points [Connection points]:

    • IP 1: Top side of material

    • IP 3: underside of material