The Type 17 Screw has a course tapping thread and a special long sharp fluted point for self drilling into timber.
Timbertite screws have a Hex flange head and these can come with or without a neoprene sealing washer.
14 gauge diameter = 6.2mm Thread = 10 TPI Hexagon head size = 3/8"
Use with a Magnetic Socket
Magnetic Sockets aka Nut Setters are predominantly used in the roofing industry to drive hex flange headed screws.
