Flashing Fixings


The Fastec SPF 5.3 fastener is designed for fixing flashings and other fixtures that require an unobtrusive head design.

It features a low-profile countersunk head with square drive recess for easy installation.

For fastening to steel thickness 0.7 - 1.2mm and timber decking.

Drive style SQ2

Product Code
SPF 5.3 X 25
SPF 5.3 X 40
Minimum Fastener Penetrations
Steel (0.7 - 0.9mm): 15mm through underside
Plywood/OSB (min 18mm thickness): 12mm through underside
Timber purlins:  
35mm embedment
Timber decking (min 25mm thickness): 
12mm through underside