Nominal thread diameter of 0 .430 in . UNF 0.436 to 0.424 11.07 to 10.77 20U 29 to 34 1/2 UNF 0.500 to 0.487 12.70 to 12.36 20U 29 to 34 NPSM 0.818 20.78 14U 50 ISO 228/1 0.825 20.96 14W 35 to 42. There are other Unified UNJ threads such as UNJC coarse pitch threads and UNJEF ultra fine pitch threads. 2B CL. @�G�Q;����De���U7�nTݨ�Qu��F� u zh9 A JIC or AN union is simply a UNF thread with a convex (protruding) seat on the male and a concave (going inward) seat on the female. <> Below are some of the aspects of fine and coarse threads. x� � ��0AC(�����O�:j����#ּ Types of Inserts There are two designs of Heli-Coil inserts… STANDARD, which provides a smooth free-running thread; and, SCREW-LOCK which provides self-locking torque on the male member by a … Size Gauge BRITISH No. �},T�)k����Qt�e|�P��&���o�%��u��s�tH� �n���?�w���n������O߿���/�m������G�� �e� �iO���e(�����G���.�:`��\�������;�lӻ��ߺ������ Z+�9�� �����p���۸���99��4_/��T�j��4W�.�I,��E�>:z�����1�֙~��mu}��ό#�߬/�۾:~�. mm Pitch Page 3/8 UNF 0.375 to 0.363 9.53 to 9.22 24U 29 to 34 NPSM 0.658 16.71 18U 50 ISO 228/1 0.656 16.66 19W 35 to 42 ... thread identification reference table, you see that the only thread with all of these characteristics is a 7/16 in . endobj 4 0 obj Thread Chart Threads Per Inch (TPI) Thread Pitch . ���O�̫ݾf�JN����4�_��/����ɟ�zOO����m���� Inch mm Thread Size Comparison Chart continued from facing page. Major Diameter Minor Diameter Pitch Line Axis of internal thread INTERNAL THREADS-CLASS 2B ASME B1.1 Nominal Size & Threads per Inch Series Designation Allowance Minor Diameter Pitch Diameter Major Diameter Min Max Min Max Tolerance Min 0-80 UNF 0.0005 0.0465 0.0514 0.0519 0.0542 0.0023 0.0600 1-64 UNC … Pitch equals … Preloads and tightening torque for steel shank screws with UNC/UNF threads and head contact area sizes according to ASME B18.2.1, ASME B18.3 and ASME B18.2.2 friction coefficient µ = 0.14, Utilization of minimum yield = 90% It has the same 60° profile as the ISO metric screw thread, … x��� �0E�C��>��[�u��y�cOBI����)��65k���l�tQ��0��o�Q�W��ݦԦ�E5��=W8��;T�Ⱅw(8$�H6�l��8����/�žf�#� endstream endobj 48 0 obj <> stream Pink shading indicates secondary sizes whose use is discouraged by standards … It is important to measure and match every criteria of thread diameter, thread pitch, seating or sealing type … endobj endstream endobj 12 0 obj <> stream Sales West: 1-800-665-4825 Sales East: 1-888-665-4825 eShop; Blog; Contact Us; Menu. Thread Pitch in mm mm Coarse Fine Dia. endstream endobj 22 0 obj <> stream x��ұ � DQ�8��X�a�I� x��� �\qI��`�1�}!�א &MGhNȶ �e�$��+���՝����m�x��3{��7y�7�{3y�7y����3u�pC၏ inch Minor Dia Pitch Dia Major Dia Tap Drill Size 尺寸 Thread Designation螺紋規 格名稱 Class Min Max Min Max Min Max Basic 0.0118 30-318 UNM 2B 0.0085 0.0100 0.0098 0.0103 0.0120 0.0083 11 IDENTIFICATION Step 4: Determine the thread standard. A chart listing the standards sizes and thread pitches with their respective thread stress areas is listed in the Fastenal Technical Reference Guide, along with a special series designated UNS. endstream endobj 16 0 obj <> stream x���! ISO Metric profile External (bolt thread) Internal (nut thread) Basic mm Size mm Thread Designation Simple Thread Designation Pitch mm Class Major Dia d=D max. All thread size chart pdf Thread diameter/height series cover markings measured by thread count per inch (TPI) applied to one diameter. 2 0 obj The thread accuracy is referred to as a 3B class of fit or a 2B class of … x� � ��0AC(�����O�:j����#ּ ]�������#ȵ ���v STI-UNC / STI-UNF TAPS Bottoming and Semi-Bottoming Styles DIN / ANSI STI-M METRIC TAPS Bottoming and Semi-Bottoming Styles DIN / DIN NEW Enorm-Z/E Enorm-Z/E-GLT-1 Enorm-Z Enorm-AL/E-GLT-8 Class of Fit 6H mod 6H mod 6H mod 6H mod Coating Bright GLT-1 Bright GLT-8 Type Bottoming Bottoming Semi-Bottoming Bottoming Chamfer E / 1.5-2 P E / … [���jY��n_�juǚ��^�n��?\r�e7m�r��+��j��W_s���y��n��o���ݷ�q�]w߳�������Ӄu����Ç9�u�ѣ�=�ı'��g�}��^|��?���_^��}�oo�����{�p�CP�Qҗp��0֑�d;���N:I/M�����E�#�1�f6��c[ٕ�v���LW+���f�Z�z��N�>����.MW��[��1���������5ɚejͷ:�c���[ˬ�����և����f�2d&g�N3�f��\�E��Y����������ܬ�Y��@��sN\NbΠ��s�演�χ.�k�kۓ����h��ݽ��J`��e7y��J�,ϡ,o38C��P�m�N�(��Le��e١�TnT�P�UT+o+_�R�,P���N�Κ`��جv�W���BYv�C��,�(�`)˒���d���,+����������� J�ko"�7�n%+� ���;V���EPyz7� TͶ�m�K����O�?t�����#�|wW�e�E�C�_�I�g�'�}�A�qr�x^v��\��K�x���{>>p��d�G�W��Î� 'ǝ�y�W ��K�Ċ��Xw�bQk>���[�����ﵽW�A�[����Z��{=�p��t1�Z-g�����w�_qV��Ɔ���,8LJ��F�|�e�⬞q�/���E���~3TN� ��F�v�� ��p�wAlEA/�k�[�\��B�}�n�����|w�����OP��������c_���R8���A����j��^��� ��2�rh�Fh���������� Distributed by: Gage Crib Worldwide Inc 6701 Old 28th St SE, Suite B Grand Rapids, MI 49546-6937 USA Phone: 001.616.954.6581 MOST COMMON THREADS 2.1 M - ISO thread (metric) 7 2.2 NPT - Pipe thread 8 2.3 G/R/Rp - Whitworth thread (BSPP/BSPT) 9 2.4 UNC/UNF - Unified National thread 10 x���y|TE�0|����t�IH$&�$�-�NzM����v��4IC�I"0*���:"�hXD���o�#�+�::#�8��=U��& �>�����~�t[��Z�R�:�M ̰�j��-�6[�`XY�2l�rG10��]K[��z�i&��} z���c�ޮ���.��pC�_���!�L3��n�˰�=X��0��)����7�b� ���P�›S��c���ɿ�E�Q�q����xUt/���4����Žҥ� �u؝��h1�|��oA~N� Size Gauge Dia. unf: unef: 32: 7/16: 1/2--0.5000: 13: 20: 28-----16: unf: unef: 32: 1/2: 9/16--0.5625: … 1 0 obj threads per Outside 60° (inc )) for tapping (mm) (mm) inch (T.P.I) diameter (mm) 2-64 UNF 1,90 0,40 64 2,18 3-56 UNF 2,15 0,45 56 2,51 4-48 UNF 2,40 0,53 48 2,84 6-40 UNF 2,95 0,64 40 3,51 8-36 UNF 3,55 0,71 36 4,17 10-32 UNF 4,10 0,79 32 4,83 12-28 UNF 4,65 0,91 28 5,49 Designation. UNF tpi Tap Drill for UNF 20 #7 28 #3 32 UNC, UNF, UNEF, UNS screw thread gauges to one inch in diameter These series (and the UNR, UNJ and fixed-pitch series) are the inchbased thread series currently used in the United States, and have been since 1949.1 They superceded the American National Series (NC, NF, etc.) External threads: the root has a maximum and minimum prescribed continuous radius, and is not merely rounded due to tool wear. min. The JIC or AN seat is 74º when measured across them both. x���� �E(�(~pE0�x�&�wih�PB��FЉ�C����t�JJ�gW6� ���t���޵���^S��Ou��y�k� &Z� <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 841.92] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> \d�A��`уlDH)s�;������hsL�%.>a@bR��A�SR�KKϰffe�:l����y�F������)�;n��E��Ҳ� 'M��2u��3g͞S5��y�\��z��%~���,�o. Male b . endstream endobj 10 0 obj <> stream UNF BRITISH STANDARD FINE (55º) UNIFIED NATIONAL FINE (60º) #3 (.099) 56 2.1 #4 (.112) 48 2.35 ... *Taper pipe threads of improved quality are obtained when the tapping hole is ... Threading Tapping Drill Size Chart. Thread UNC Thread UNF Thread Hole Ø Pitch No. Class 2B Internal Threads Nuts Min. The 1/4"-28 UNJF is a Unified fine pitch UNJ inch thread for aerospace. The threads per inch come directly after the thread diameter and before the length (if applicable) when describing an inch fastener. threads (inches) Drill size 0-80 UNF 80 .0600 .0519 .0447 .0465 3/64 1-64 UNC 64 .0730 .0629 .0538 .0561 #54 2-56 UNC 56 .0860 .0744 .0641 .0667 #50 2-64 UNF 64 … x� � �0��P��9`Q��u�v_$�G�y(P? threads per Outside 60° (inc )) for tapping (mm) (mm) inch (T.P.I) diameter (mm) 2-64 UNF 1,90 0,40 64 2,18 3-56 UNF 2,15 0,45 56 2,51 4-48 UNF 2,40 0,53 48 2,84 6-40 UNF 2,95 0,64 40 3,51 8-36 UNF 3,55 0,71 36 4,17 10-32 UNF 4,10 0,79 32 4,83 12-28 UNF 4,65 0,91 28 5,49 1/4-28 UNF 5,50 0,91 28 6,35 5/16-24 UNF 6,90 1,06 24 7,94 3/8-24 UNF … x���_��Fr���; ��} kv�gH`�W��8� _�9�@���&��C�zz��ԯxt����U]U�n���.���b�/��x�ܧ�[w����|�/������?���O_~���x���������~���_���׿{�cd�_������[޾��/��ޮ��]m�KwY���׷�������������?�]?��������O������篆O�����������_ ��/��5A�����E_}���:h?����2���??���⏟o��~��ͷ�������������˟>0��fx���o���߽�S�KSl3u�ܮ�����ۼ�1߆G�e��o}���p��ϲ� ,W�C�X�*Ͳ�Uv�}e'EW+�}���Ъ�����ί;��cw��;����/R��� Internal Thread Dimensions for Unified UNF Screw Threads Diameter Threads Per Inch (TPI) Thread Fit Class Major Diameter Pitch Diameter Minor Diameter Stress Area Min Max Min Max Min in² No 0 80 2B 0.0600 0.0542 0.0519 0.0514 0.0465 0.00180 No 1 72 2B 0.0730 0.0665 0.0640 0.0635 0.0580 0.00278 No 2 64 2B 0.0860 0.0786 0.0759 0.0753 0.0691 0.00394 No … ���A�neYX�M��†`|�n�0����x���x���x�� D�� max. x��� 0��%��>|i���"����x$eI�H��)����fYJ�.%oM���! UNC, UNF, UNEF, UNS screw thread gauges to one inch in diameter These series (and the UNR, UNJ and fixed-pitch series) are the inchbased thread series currently used in the United States, and have been since 1949.1 They superceded the American National Series (NC, NF, etc.) min. <> x���� 1D�Æ�-�@��40,���~�*��a�X�u��ܱ�;�>�e�Lډ�Da�y����������@��4��?A���Sd � D�-JA�E�� t>Z)�����}�l*��ĩ�%����'�j�vS��o���S�9p �D�X!� �w�U%��%;������� endstream endobj 54 0 obj <> stream 19 jan 2018 C AT ALOG 1 4 R P: 1-800-265-8772 F: 1-888-252-6380 www. of Threads/Inch BA BSW BSF BSP Major Dia. • UNF #2 through 1-1/2 • Metric Coarse M2 through M39 • Metric Fine M8 through M39 Inserts are also available in UNEF, UNS, 8UN, 12UN, 16UN, Spark Plug and Pipe Thread. Minor Dia d3 max. A single Data reference PDF for Fastener Thread Sizes, Pitches and Cross references across UNC, UNF, UN, BSW, BSF, SI & ISO Metric along with BSP, NPT, NPS & ISO Pipe Threads, American Threads and BA, Conduit and Cycle Threads. UNF Hex Bolt Properties UNF - RECOMMENDED TIGHTENING TORQUE Nominal Size TPI Recommended Tightening Torque Recommended Tightening Torque Grade 5 Grade 8 (mm) Nm lbft Nm lbft 1/4ʺ 28 11.0 8 16.0 12 5/16ʺ 24 23.0 17 31.0 23 3/8ʺ 24 41.0 30 58.0 43 7/16ʺ 20 65.0 48 91.0 67 1/2ʺ 20 100.0 74 141.0 104 9/16ʺ 18 142.0 105 202.0 149 5/8ʺ 18 203.0 150 281.0 … Thread Designation 螺紋規 格名稱 ... 0.06 0-80 UNF 2B 0.0465 0.0514 0.0519 0.0542 0.06 0.05 3B 0.0465 0.0514 0.0519 0.0536 0.06 0.05 0-72 UNF 2B 0.045 0.505 0.051 0.0535 0.06 0.05 3B 0.045 0.505 0.051 0.0529 0.06 0.05 0.073 1-64 UNC 2B 0.0561 0.0623 0.0629 0.0655 0.073 0.06 3B 0.0561 0.0623 0.0629 0.0648 0.073 0.06 1-72 UNF 2B 0.058 0.0635 0.064 0.0665 0.073 … x�Ֆ��0E�D�a4&���XA���'�������m;���y�Q"xD�wL���:�xD���8��GL1zĂc;t�+̊;�����a,:���sm����*�tY g��oL�*w�ᐮm�v���A�w�u��8��s�o:%���Q���Q�v��M��Z�J��I�������g��R�. Know your threads, inside-out. .com Inch and Metric Pouce et Métrique Thread Size Comparison Chart … Search Login Cart Screws, Nuts & Washers; Spacers & Threaded Inserts; Bar Materials & Studs; Manufactured Products; Coloured Stainless Steel; Automotive Products; Rivets, Clips & Pins; Electrical Products; Tooling & Assorted Box Sets; More. endstream endobj 30 0 obj <> stream thread identification and drill chart diameter thread iso coarse other iso fine ba in size drill size fine drill size diameter drill inches mm pitch inch mm pitch pitch inch mm size inch mm pitch mm.079 m2 .40 2.1 0 0.236 6.0 1 6.2.087 m2.2 .45 no.42 2.3 2 0.185 4.7 0.8 4.9.098 m2.5 .45 no.37 2.6 4 0.142 3.6 0.66 3.8 ALWAYS PRECISE Standard Pitch Diameter Chart 16 Plug Thread Gages NOMINAL SIZE UNIFIED PITCH DIAMETERS CL. endstream endobj 24 0 obj <> stream endstream endobj 18 0 obj <> stream endstream endobj 44 0 obj <> stream At this point you know that the thread has the following characteristics: a . endobj x�[� 3 0 obj for fasteners: UNC (coarse), UNF (fine), and 8-UN (8 thread). Straight c . x���1 Ak��&� L��X��L��a���_ x���[ ��P"�eaQ6���(qߨ?F�1�Q��c�����: N+ x��� 1[9$-�B��k`?Ȿ�`FkQ����S�(�;e��LFF&^�e�w�p��k���};mM�y�NC;��]��Av�����E[ 3B #0 - 80 UNF … 4�b��U�ۏE�����tp���S��a��v�a3� ��,,�VcQ�Eݪ!�.���D��`W7o��6o��6o��6�� ��� 3/4-16 unf 16 .7500 .7094 .6733 .6823 11/16 7/8-9 unc 9 .8750 .8028 .7387 .7547 49/64 7/8-14 unf 14 .8750 .8286 .7874 .7977 13/16 1-8 unc 8 1.000 .9188 .8466 .8647 7/8 1-14 unf 14 1.000 .9459 .8978 .9098 15/16 1 1/8-7 unc 7 1.1250 1.0322 .9497 .9704 63/64 1 1/8-12 unf 12 1.1250 1.0709 1.0228 1.0348 1 3/64 x��� 0Ė�%�Kv����A��I��FY�"Rir�uu�ٶ�-%[��_���h����;6i1�i16i1d�����u Fax: +33(0)4 37 490 055 - cial2@hpceurope.com Volume 1 2016 447 Thread UNC Thread UNF Thread Hole Ø Pitch No. For example, a hex cap screw with a 1/2" thread diameter, 13 threads per i nch, and … x��� �0�a:L_dH��?2A*�O�1U0�h����`�^VKg��X�Y�-X�D�n7i���q�\!��]�4�jY)�a��A�0�;�L濵qg���u��s)8 x��� 0–�%�]�8�|䂒�ڨ�}�z����{�����/��N_g��b��t�����r� endstream endobj 34 0 obj <> stream endstream endobj 8 0 obj <> stream endstream endobj 26 0 obj <> stream endstream endobj 14 0 obj <> stream 8.8 Grade Bare Steel / Zinc Plated; 8.8 Grade Hot Dip Galvanized (ISO FIT) 10.9 Grade Bare Steel / Yellow Zinc Plated; … Pitch Dia d2=D2 max. The Unified Thread Standard (UTS) defines a standard thread form and series—along with allowances, tolerances, and designations—for screw threads commonly used in the United States and Canada.It is the main standard for bolts, nuts, and a wide variety of other threaded fasteners used in these countries. THREAD GAGING REFERENCE GUIDE THE L. S. STARRETT COMPANY 121 Crescent Street • Athol, MA 01331 Telephone • (508) 249-3551 Fax • (508) 249-8495. Thread Chart, American Standard, UNC, UNF. threads (inches) Basic minor dia of int. Hex Head Fasteners . There is no radius requirement for either the crest or the root of the internal thread. max. THREAD DATA CHARTS METRIC THREAD -- EXTENDED THREAD SIZE RANGE (ISO) Thread Height Male Thread = h3 Thread Height Female Thread = H1 Sorted by thread class Click here to return to the thread data chart page index. endstream endobj 50 0 obj <> stream Internal threads: the minor diameter is increased to accommodate the maximum root radius of the external thread. When ordering or referencing inch fasteners, Threads Per Inch (TPI) is used instead of the thread pitch. ��/I�@�6���&�i��i��i��v>�8�~ Recommended Maximum Bolt Loads and Torque Values (UNF Threads) UNF Quality P S T A/F in Newtons N.m lbf lbf.ft Newtons N.m lbf lbf.ft Newtons N.m lbf lbf.ft in 1/ 4 5232 6.28 1176 4.63 9941 11.9 2234 8.78 10730 12.9 2412 9.51 7/ 16 5/ 16 8410 12.5 1891 9.22 15979 23.8 3592 17.55 17247 25.7 3877 18.96 1/ 2 3/ stream Thread dimensions and pitch for metric and imperial fasteners - Metric, Metric Fine, BSW, BSF, UNC, UNF and BA . UNJ product threads are … endstream endobj 28 0 obj <> stream UNS thread . Unified Thread Plug Gages Pitch Diameter Chart NOMINAL SIZE UNIFIED PITCH DIAMETERS CLASS 2A CLASS 3A X TOL. endstream endobj 32 0 obj <> stream Threads Per Inch: Minor Diameter 75% Thread for Aluminum, Brass & Plastics: 50% Thread for Steel, Stainless & Iron Close Fit: Free Fit 1: 0.073 48: 0.076 46 endstream endobj 20 0 obj <> stream x���1 DQk5q&0&0� �a�M`!���/7���{u��|.�ԟ�v�_�j_��|xI��IOzғ���'=�I�����W�W��� ��հ:�"���#p;��u����W�E�H9�����78M*�2�L�n�!zb F�%�I%�B��id:1�(M�d� ?�Od�M�*2�\@��d��,$�dYL�?�o�B�%5��ԑ YJbH,�' �B�H. Tap Chart - UNC/UNF Threads Tap size NF/NC UNF/UNC Threads per inch Basic major dia (inches) Basic effective dia (inches) Basic minor dia of ext. Female and Male UNC/UNF threads are both parallel; The UNC/UNF flank angle is 60° Unified threads comes in three different classes: for applications where a liberal tolerance is required to permit easy assembly even with slightly nicked threads; most commonly used class for general applications; for applications where closeness of fit and/or accuracy of thread elements are … g3ގ�����x�����?�?@9�� %PDF-1.5 %���� )�Y2�K��ձ�6N��t�;�w�16L�:��p�V7�7�����#���n;��O�ߺ��i� Cast Iron Flanges - Stud Reference Chart - The number, diameter and length of studs for cast iron flanges class 125 and 250; EN 10226 - Pipe threads where pressure tight joints are made on the threads - Dimensions - Pipe threads where pressure tight joints are made on the threads - Part 1: Taper external threads and parallel internal threads Thread and Connector Identification How to Use this Section This section is intended as an aid to identifying the most popular threads on hydraulic hose couplings and adaptors, and hydraulic equipment. x���� �Z�yr��yڧyl���P�z"�t���J��.,��5�>�`�{�ڙ����w��n� mK`�E����g��&��_g6i�Ϳ��o�`��7� A.C.T. �^_!� endstream endobj 36 0 obj <> stream Class Minor Dia D1 min. %���� DIN 931 / ISO 4014 Partially Threaded Hex Cap Screw.
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