b&m-TIGHT
The b&m-TIGHT® is a direct screwing system for use in high-strength materials.
The screw has the property class 10.9 with an induction-hardened forming zone.
In addition to the self-locking function, which all b&m-screws for direct screwing of metals provide, the b&m-TIGHT® is self-sealing to gases and liquids up to a gage pressure of 1000 mbars.
