16mm Washer Stitching Screw

Hexagon Head
Bright Zinc Plated
Provide much better gripping and connection.
Lower loading is needed to work the fastener and hence higher productivity.
Avoid poor drilling performance and difficulty in fixing with possibility of skidding and scratching on roofing surface.
Supplied with a 16mm EPDM Bonded Washer
Boxed in 100