Pan framing head phillips self-tapping screw made of hardened carbon steel. Wide framing head offers larger bearing area to avoid sheet damage. Phillips drive for convenient installation. Sharp point self-tapping design cuts its own thread into wood, thin aluminium sheet and plastic. No drill bit point, cannot drill steel plate. Widely used for light metal frame, timber and plastic assembly. Sizes ST2.9~ST6.3, length 13–100mm. Zinc plated finish available.