Deep Driller Hex Head 12 gauge-24 threads per inch x 32mm long screw without seal B8 coating
Deep Driller Hex Head screws are for fastening steel up to 12.5mm thick.
The B8 corrosion protection system exceeds the requirements of ISO 9223 Category 4 (Severe industrial and severe marine environments).
AS 3566.2 (Self drilling screws for the building & construction industries) specifies the corrosion protection systems required on screw fasteners Classes 1, 2, 3 & 4 where Class 1 is intended for indoor application and Class 4 for environments up to and including ISO 9223 Category 4 (Severe industrial and severe marine environments).
