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The thread rolling dies we supply for customers including: Self-tapping screw Chipboard screw Drywall screw Wood screw Machine screw Taptite screw Hi-low thread screw Please specify the details of thread rolling dies as follows when you inquire or order; 1.the material of thread rolling die you need or the material of screw you used 2.the type of thread rolling die for machine thread or tapping screw. 3.the screw head shape/type,for example: round head, pan head,flat head and so on. 4.the screw type,size,length and major diameter/rolling shank,for example: 5.the machine model/maker,die plates size,for example:GV-2 24X55X112/131(5) 6.the special specification out of standard is also available, but necessarily with a drawing for reference. Shutter Criterion Standard The length of screw thread The request of external diameter The diameter of grinding Amount Remark 90x105x25x40 or 6R JIS-4 4x25p 24.5 3.9-4.0 3.20 1 Hold 0.3 slippery tine 73.5x86.2x20.6x5° DIN-DW 3.5x25k 21.0 3.46-3.62 2.70 2 Single screw thread to tine 205 machine 4.3x35k 20.6 4.1-4.30 2.90 1 Other according to the sample