Deep Driller Wafer Head S500 12-24x32 - Without Seal Class 3 Coating

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Deep Driller Wafer Head 12 gauge-24 threads per inch x 32mm long screw without seal class 3 coating

Deep Driller Wafer Head screws are for fastening steel up to 12.5mm thick where a flat head is required.

The Class 3 corrosion protection system meets the requirements of ISO 9223 Category 3 (Outdoor application for mild and moderate 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).