Stahl-Nietmuttern

21mm long and fits through a 11m hole.
16mm dia 1.5mm thick shoulder.
3mm max panel thickness.

19.3mm long and fits through a 11mm hole.
13.7mm dia 2mm deep counter sunk shoulder.
4mm max panel thickness.

16.5mm long and fits through a 9mm hole.
12.5mm dia 1.5mm deep shoulder.
2mm max panel thickness.

17mm long and fits through a 9mm hole.
12mm dia 2mm deep counter sunk shoulder.
3mm max panel thickness.

13.2mm long and fits through a 7mm hole.
11mm dia 1.2mm deep shoulder.
1.5mm max panel thickness.

13.2mm long and fits though a 7mm hole.
9.8mm dia 2mm deep counter sunk shoulder.
2mm max panel thickness.

11.5mm long and fits through a6mm hole.10mm dia 1mm deep shoulder.1.5mm max panel thickness.

11.6mm long and fits through a 6mm hole.
8.7mm dia 2mm deep counter sunk shoulder.
2mm max panel thickness.

11mm long and fits through a 5mm hole.
8mm dia 1mm deep shoulder.
1.5mm max panel thickness.

11.4mm long and fits through a 5mm hole.
8mm dia 2mm deep counter sunk shoulder.
2mm max panel thickness.