EXCEL PAN Phillips Self-Drilling Pan Head. MARUEMU WORKS. Screw head has drill shaped tapping screw, and so carries out 3 processes, pilot hole opening, tapping and fastening all in one. Work processes are shortened for more efficiency, and reducing costs significantly.Self Drilling Torx Pan Head Screws, sometimes called Tek Screws, are designed with a specialised self-drilling thread, which is able to both drill and tap its own hole into metal or plastic. The Torx drive of these fasteners makes them suitable for …Jan 05, 2005 · 258A Pan Head DRIVALL® USA Self drilling screws for attaching fixtures, backup plates, and door frames to 14 – 20 gauge steel, or any other heavy gauge metal-to-metal applications 260 Flat Pan Head DRIVALL® Self drilling #3 Point screws for framing 14 – 20 gauge steel to steelHastelloy C276 (2.4819) bolts, nuts, washers, lock washers and threaded rods are stocked and ready to ship in the following sizes: ¼” – 1”. Custom Availability. Other sizes, Hastelloy grades and screw styles can be made to order with minimum quantities, typically around 10pcs. The normal lead time for standard Hastelloy is few days.