TIMco 121Z BZP Countersunk Ribbed Self Drilling Screw 3.9 x 16 Zinc (Box of 1000)

Zoro Tools

Multiple uses for fitting a variety of hardware to frames where there is a steel or aluminium reinforcement present. Countersunk head with ribs under head for improved countersinking. Please Note : Due to geographical locations we are unable to deliver to Highlands

ManoMano

Multiple uses for fitting a variety of hardware to frames where there is a steel or aluminium reinforcement present. Countersunk head with ribs under head for improved countersinking.

Amazon

Reinforced PVC Window Screw Self-drilling tip Countersunk head withe Phillips recess, Manufacturer: TIMco