boellhoff0117The "Parryplug" is a new development from Böllhoff to protect against unauthorized loosening of screw connections. It is used where security is required and aesthetics are required and meets the growing requirements for protection against manipulation and theft in many technical areas.

The removal of the closure element is only possible using a special tool. Therefore, the plug Parry takes (to parry = parry an attack ward) as a universal solution everywhere used where, for reasons of safety for man and machine proper use can be guaranteed only by authorized users.

In addition, the protective element prevents the tool engagement in the internal drive by specially designed axial ribs, which guarantees a defined and secure press fit. The high-performance plastic used allows applications of - 50 200 ° to + ° C. The precision manufacturing ensures that even the finest tolerances to be taken into account by Allen drives.

Tilting ESD control panelsStandard-compliant ESD control panels made of special plastics


Mounting is simple and no tools required. In addition, the Parry plug provides a design and technically appealing solution available, because it is colored individually according to customer and protects the element from dirt and corrosion.