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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; 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