Threading Insert for Oil Pipe Threading Insert for Oil Pipe Helter Series API Buttress Inserts Parallelogram SeriesAPI Buttress Inserts Type Designation Pitch(tpi) A H L B d a Picture Type Designation Pitch( tpi ) I.C H L B C d Y 0 Picture B4NR1.1S15 4 15.760 15.530 11.470 4.76 4 12° B5ER2.3P19 5 19.000 18.9 5.950 6.35 9.5 8 10° 80° i. m X CD 3 CD B5NR 1.2S15 5 15.875 15.750 7.650 5 4 8°30' B5NR1.2S15-G 5 15.875 15.250 7.680 4.9 4 9° V_T\ B5NR2.3P19 5 19.000 18.9 5.950 6.35 9.5 8 10° 80° => o =3 CD A B5NR1.2S15-T 5 15.875 15.750 7.700 5.00 4 9° L B5NR1.2S15-TX 5 15.875 15.750 7.350 5.00 4 9° Triangle Series API Buttress Inserts (On-edge Type) 3 A0B5NR1.1S15-CB515.87515.75012.5005.0048°30' Type Designation Pitch(tpi) I.C H L B d a Picture Q) B5NR1.1S15-CB2 5 15.875 15.750 12.500 5.00 4 8°30' VB5ER3.1T16 5 16.000 26.2 2.760 6.45 6.4 9° VB5EL3.1T16 5 16.000 26.2 2.760 6.45 6.4 9° i m X CD CD A B6NR1.1S16 6 16.000 15.740 12.500 5.00 4 8°30' a L B6 NR 1.1S16-H6 6 16.000 15.750 13.200 5.00 4 10° 17B8NR1.1S15-TB815.87515.94013.6255.0048°30' VB5NR3.1T16 5 16.000 26.2 2.760 6.45 6.4 9° B8NR 1.1S16-CBT 8 16.000 15.740 13.360 5.00 4 8°30' o X VB5NL3.1T16 5 16.000 26.2 2.760 6.45 6.4 9° B8NR1.1S16-P 8 16.000 15.740 13.750 5.00 4 8°30' 13 CD X B A =3 CD B5NR1.5S25 5 25.400 15.736 1.185 5.185 4 10° ' Biforate SeriesAPI Buttress Inserts A Type Designation Pitch(tpi) A H L B C d a E Picture API Buttress Inserts for PMC Machine Tools (USA) B5ER2.2D24 5 24.000 12 15.760 6.5 15 4.70 Type Designation Pitch(tpi) A H L B d a Picture m XCDCDB5ER1.3S16-P3.1516.90014.6004.3705.18510° I- ’ - B=oi .L»-J ' A. B5ER1.3S16-P3.2 5 16.900 14.860 2.630 5.185 10° m X B5ER1.3S16-P3.3 5 16.900 15.000 0.880 5.185 10° B5NR2.2D24 5 24.000 12 15.760 6.5 15 4.70 CD CD B8ER1.3S15-P 8 15.880 15.734 3.583 5.000 10° tSCi B5NR1.5S25-P 5 25.400 15.600 1.700 5.185 9°30 . CD =3 CDCD 3CD B5NR1.5D24 5 24.000 14.85 1.000 5 8 4 3° 4.86B5NL1.5D24524.00014.853.6005843°4.86m Si