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P. 179

UNF            ASME B1.1                                            ≤ Ø 2.8 > Ø 2.8            DIN 371
                                                                             PM HSSE



                                                                N310 3       N320 4       N320V 4     N320TN 4

                               N



         N310-3                         31 62 73 74 91




                                        62 63    72 73 74
         N320-4
                                        81 91



                                                                                                         NEW
         N320V-4            V           11 12 31 32                                                      NEW

                                                                 < 1.5 x D

         N320TN-4          TiN          11 12 13 14 32



                                                                 C            B            B            B
                                        a
                                  d 2
                                                                  2.5 x P      4 x P        4 x P        4 x P
              d 1
                  l
                   2
                    l
                    3       l                        P
                            1
         Ø’’ d 1  P  d 1  l 1  l 2   l 3  d 2  a                  ID           ID           ID            ID
         UNF   TPI  mm    mm   mm   mm   mm    mm
         * 0   80   1.52  40    7        2.5   2.1  2    1.2                l 101475
         * 2   64   2.18  45    9        2.8   2.1  2    1.8                l 101477
         4     48   2.84  56   12   18   3.5   2.7  3    2.35               l 128847
         5     44   3.17  56   12   18   3.5   2.7  3    2.6                l 142764
         6     40   3.5   56   13   20   4     3    3    2.9                l 101519     l 142765
         8     36   4.16  63   14   21   4.5   3.4  3    3.5                l 101520
         10    32   4.82  70   15   25   6     4.9  3    4.05               l 101517     l 142766     l 196014
         12    28   5.48  80   17   30   6     4.9  3    4.6                l 101518
         1/4   28   6.35  80   17   30   7     5.5  3    5.5   l 101453     l 101516     l 142767     l 158791















         Ø’’ d 1  P  d 1  l 1  l 2   l 3  d 2  a           UNJF                ID
         UNF   TPI  mm    mm   mm   mm   mm    mm
         10    32   4.82  70   15   25   6     4.9  3    4.15               l 135506
         1/4   28   6.35  80   17   30   7     5.5  3    5.55               l 155323






          *N320-3  2.5 x P


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