DIN7504 Self Drilling Screw Point Forming Dies for Self Drilling Screws manufacturing normally for carbon steel self drilling screws, or stainless steel self drilling screws or MS screws. Work with self drilling screw forming machines, such as model AE5150D, AE6200D, ST1405, ST1606, ST1808, PM-100, PM-200 etc. DIN standard Tungsten steel / carbide Drill Point Dies, can be special designed too. Style I / MA Style II / MB Style III / MC ST3.5 L2-28 ST3.9 L2-32 ST4.2 L3-34 ST4.8 L3-39 ST5.5 L3-47 ST6.3 L3-55 Manufacturing steps to make self drilling screw with washer: Finished wire -- Heading -- Self Drilling Screw Point Forming -- Thread Rolling -- Heat treatment -- Surface treatment -- Screw Washer Assembly -- Packing We Airon Machinery supply full line equipment for self drilling screw manufacturing, including Heading Machine, Thread Rolling Machine, Self Drilling Screw Point Forming Machine, Screw Washer Assembly Machine, Heat treatment equipment etc.