ASME ASTM DIN GB ISO JIS NF SN WS YJT

[M] Metric [UN] UNC/UNF/UNEF/UNR/UNRC/UNRF/UNS/... [MJ/UNJ] MJ/UNJ threads [ST] Self-Tapping Cutting/Locking Thread [PST]Self-tapping thread for Plastic [Wood] Wood Screw Thread