Hex Head Full Thread SDM 12-14x30 Without Seal B8 Coating

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Hex Head 12 gauge-14 threads per inch x 30mm long screw full thread without seal, B8 coating

Hex Head screws without seals are for general fastening to metal where a water tight seal is not necessary.

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).