unf thread chart pdf

GO =+ NO GO =-GO NOT GO GO NOT GO (.060) #0-80 UNF.0514 .0496 .0519 .0506 .0002 (.073) #1-64 UNC.0623 .0603 .0629 .0614 .0002 (.073) #1-72 UNF.0634 .0615 .0640 .0626 .0002 (.086) #2-56 UNC.0738 .0717 .0744 .0728 .0002 External threads: the root has a maximum and minimum prescribed continuous radius, and is not merely rounded due to tool wear. 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. The JIC or AN seat is 74º when measured across them both. x��1 DQk5q&0&0� �a�M`!��/7��{u��|.�ԟ�v�_�j_��|xI��IOzғ��'=�I��W�W�� 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 … ��P��}�?l�9aQ� x�� 0�%�]�8�|䂒�ڨ�}�z��{��/��N_g��b��t��r� 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. 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. 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. 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series) are the inchbased thread series currently used in the United States, and have been since 1949.1 They superceded the American National Series (NC, NF, etc.) of Threads/Inch BA BSW BSF BSP Major Dia. There are other Unified UNJ threads such as UNJC coarse pitch threads and UNJEF ultra fine pitch threads. endobj x��1�0E�f��hd��G�c�^�|��:Bd�L50�Oq�s��A;�ݛ��Bd�H30�5��fkA�jЮu`=p�Ff��@�=�d[ ̑��}��Y%}2o�>�-��3��> stream Sales West: 1-800-665-4825 Sales East: 1-888-665-4825 eShop; Blog; Contact Us; Menu. The 1/4"-28 UNJF is a Unified fine pitch UNJ inch thread for aerospace. Thread UNC Thread UNF Thread Hole Ø Pitch No. x�� 0Ė�%�Kv��A��I��FY�"Rir�uu�ٶ�-%[��_��h��;6i1�i16i1d��u 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. 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 TAP DRILL DIAMETERS FOR THREAD CUTTING Nominal Size ø d1 UNC UNF UNEF UNJC UNJF M MF MJ NPSM NPSC NPSF Rp_ (BSPP) G STI-UNC STI-UNF STI-M LK-UNC LK-M BSW BSF Pg Tr Tr-F Rd inch Fraction Wire letter mm 0.1102 2.800 #6-32 UNC 0.1142 2.900 #6-32 UNJC M3.5 LK-UNC #6-32 0.1150 2.920 0.1181 3.000 #6-40 UNF #6-40 UNJF MJ3.5x0.6 … min. x�� 1[9$-�B��k`?Ȿ�`FkQ��S�(�;e��LFF&^�e�w�p��k��};mM�y�NC;��]��Av��E[ ,W�C�X�*Ͳ�Uv�}e'EW+�}��Ъ��ί;��cw��;��/R�� d . BSP, Metric, American and Japanese thread sizes can be very similar. ��P"�eaQ6��(qߨ?F�1�Q��c��: N+ UNJ product threads are … for fasteners: UNC (coarse), UNF (fine), and 8-UN (8 thread). �^_!� All thread size chart pdf Thread diameter/height series cover markings measured by thread count per inch (TPI) applied to one diameter. At this point you know that the thread has the following characteristics: a . CHARTE DES FILETS THREAD CHART … x�� 1D�Æ�-�@��40,��~�*��a�X�u��ܱ�;�>�e�Lډ�Da�y��@��4��?A��Sd x�[� Pitch Dia d2=D2 max. endstream endobj 30 0 obj <> stream endstream endobj 28 0 obj <> stream It has the same 60° profile as the ISO metric screw thread, … Know your threads, inside-out. min. 1 0 obj <> endobj 2 0 obj <> endobj 4 0 obj <>/Type /Page>> endobj 5 0 obj <> stream Size Gauge BRITISH No. 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. (If you have a UNF thread with 90º across the seat this is an SAE union - these are rare in automotive applications but I thought I'd mention it) This drawing conveys what an JIC … 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�. BASICS OF THREAD 1.1 Gender 4 1.2 Handedness 4 1.3 Design 4 1.4 Pitch / TPI 5 1.5 Diameter 5 1.6 Angle 5 1.7 Crest / root 5 2. 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 Male b . endobj endstream endobj 32 0 obj <> stream 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. The thread accuracy is referred to as a 3B class of fit or a 2B class of … endstream endobj 26 0 obj <> stream ISO Metric profile External (bolt thread) Internal (nut thread) Basic mm Size mm Thread Designation Simple Thread Designation … 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� It is important to measure and match every criteria of thread diameter, thread pitch, seating or sealing type … Pitch equals … 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 … <> UNS thread . 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. endstream endobj 54 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 42 0 obj <> stream A coarse thread is useful, since it is less likely to cross the thread, more x� � �0��P��9`Q��u�v_$�G�y(P? x��[ Chart No 5 - SI Metric Threads (60 Deg Angle) SI Metric Threads (60 Deg Angle) - Dimensions in Millimetres - Inch table below Thread Form Data Tapping Drill Clearance Drill Diameter O/Diameter Core Pitch Depth Flat Effective Dia T.P.I Dec / Met / Frac Dec / Met / Frac 6mm 6.00mm 4.70mm 1.00mm 0.650mm 0.125mm 5.350mm 25.40 5.00mm 6.10mm 7mm 7.00mm … 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 max. 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 … ��P��}�?l�9aQ� endstream endobj 46 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 Thread Chart, American Standard, UNC, UNF. 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. @�G�Q;��De��U7�nTݨ�Qu��F� u zh9 Below are some of the aspects of fine and coarse threads. 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. \d�A��`уlDH)s�;��hsL�%.>a@bR��A�SR�KKϰffe�:l��y�F��)�;n��E��Ҳ� 'M��2u��3g͞S5��y�\��z��%~��,�o. x� � ��0AC(��O�:j��#ּ <>>> %PDF-1.5 %�� /I�@�6��&�i��i��i��v>�8�~ When ordering or referencing inch fasteners, Threads Per Inch (TPI) is used instead of the thread pitch. Pink shading indicates secondary sizes whose use is discouraged by standards … Fax: +33(0)4 37 490 055 - cial2@hpceurope.com Volume 1 2016 447 Thread UNC Thread UNF Thread Hole Ø Pitch No. Thread Diameter in. 3B #0 - 80 UNF … THREAD GAGING REFERENCE GUIDE THE L. S. STARRETT COMPANY 121 Crescent Street • Athol, MA 01331 Telephone • (508) 249-3551 Fax • (508) 249-8495. 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 … The threads per inch come directly after the thread diameter and before the length (if applicable) when describing an inch fastener. 4�b��U�ۏE��tp��S��a��v�a3� ��,,�VcQ�Eݪ!�.��D��`W7o��6o��6o��6�� UNF Thread (USA) UNM Thread (USA) UNR Thread (USA) UNS Thread (USA) 8-UN Thread (USA) 12-UN Thread (USA) 16-UN Thread (USA) 20-UN Thread (USA) NPT Thread (USA) NPTF Thread (USA) NPSC Thread (USA) NPSF Thread (USA) NPSL Thread (USA) NPSM Thread (USA) ACME Thread (USA) STUB ACME Thread (USA) Sharp V Thread (USA) ME Model Engineer Thread … x�� 0��%��>|i��"��x$eI�H��)��fYJ�.%oM��! A chart listing the standards sizes and thread pitches with their respective thread stress areas is listed in the Fastenal Technical Reference Guide, along with a special series designated UNS. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 841.92] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> max. Recommended Maximum Bolt Loads and Torque Values (UNF Threads) UNF Quality P S T A/F in Newtons N.m lbf lbf.ft Newtons N.m lbf lbf.ft Newtons N.m lbf lbf.ft in 1/ 4 5232 6.28 1176 4.63 9941 11.9 2234 8.78 10730 12.9 2412 9.51 7/ 16 5/ 16 8410 12.5 1891 9.22 15979 23.8 3592 17.55 17247 25.7 3877 18.96 1/ 2 3/ 3 0 obj ��O�̫ݾf�JN��4�_��/��ɟ�zOO��m�� 19 jan 2018 C AT ALOG 1 4 R P: 1-800-265-8772 F: 1-888-252-6380 www. 1 0 obj MOST COMMON THREADS 2.1 M - ISO thread (metric) 7 2.2 NPT - Pipe thread 8 2.3 G/R/Rp - Whitworth thread (BSPP/BSPT) 9 2.4 UNC/UNF - Unified National thread 10 )�Y2�K��ձ�6N��t�;�w�16L�:��p�V7�7��#��n;��O�ߺ��i� endstream endobj 44 0 obj <> stream Distributed by: Gage Crib Worldwide Inc 6701 Old 28th St SE, Suite B Grand Rapids, MI 49546-6937 USA Phone: 001.616.954.6581 x��ұ � DQ�8��X�a�I� Click here to return to the thread data chart page index. x�� 0E�C��>��[�u��y�cOBI��)��65k��l�tQ��0��o�Q�W��ݦԦ�E5��=W8��;T�Ⱅw(8$�H6�l��8��/�žf�#� threads (inches) Basic minor dia of int. Unified Thread Plug Gages Pitch Diameter Chart NOMINAL SIZE UNIFIED PITCH DIAMETERS CLASS 2A CLASS 3A X TOL. For example, a hex cap screw with a 1/2" thread diameter, 13 threads per i nch, and … endstream endobj 8 0 obj <> stream UNC UNF UNEF 8UN NPT METRIC Dia. .com Inch and Metric Pouce et Métrique Thread Size Comparison Chart … 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 … ��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. Class 2B Internal Threads Nuts Min. 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 … There is no radius requirement for either the crest or the root of the internal thread. Home; Products; Metric Fasteners. 4 0 obj � D�-JA�E�� t>Z)��}�l*��ĩ�%��'�j�vS��o��S�9p �D�X!� �w�U%��%;�� endstream endobj 24 0 obj <> stream Thread Pitch in mm mm Coarse Fine Dia. DIN 931 / ISO 4014 Partially Threaded Hex Cap Screw. endstream endobj 14 0 obj <> stream endstream endobj 16 0 obj <> stream 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.) • 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. 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 endstream endobj 40 0 obj <> stream x�� !B��ފ��i�ţ�/�� 6C�); %PDF-1.5 endstream endobj 18 0 obj <> stream 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 What is the difference between a standard Unified 1/4"-28 UNF internal thread and a Unified 1/4-28 UNJF internal thread? BASICS OF THREAD INDEX TYPE OF THREAD | 3 1. Minor Dia d3 max. 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. Inch mm Thread Size Comparison Chart continued from facing page. x��1 Ak��&� L��X��L��a��_ endstream endobj 34 0 obj <> stream 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 . 2B CL. Nominal thread diameter of 0 .430 in . unf: unef: 32: 7/16: 1/2--0.5000: 13: 20: 28-----16: unf: unef: 32: 1/2: 9/16--0.5625: … 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% x�� \qI��`�1�}!�א &MGhNȶ �e�$��+��՝��m�x��3{��7y�7�{3y�7y��3u�pC၏ g3ގ��x��?�?@9�� endstream endobj 48 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; … endobj stream Thread Chart Threads Per Inch (TPI) Thread Pitch . <> 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 / … endstream endobj 20 0 obj <> stream Class Minor Dia D1 min. Thread dimensions and pitch for metric and imperial fasteners - Metric, Metric Fine, BSW, BSF, UNC, UNF and BA . 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 … endstream endobj 36 0 obj <> stream ��A�neYX�M��`|�n�0��x��x��x�� D�� Internal threads: the minor diameter is increased to accommodate the maximum root radius of the external thread. x�� 0C�%�%�%�@.E�~��c"]��];��G��u3�v��;~�7,��b�X,��=�z; endstream endobj 10 0 obj <> stream 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��ҥ� �u؝��h1�|��oA~N� x�� Z�yr��yڧyl��P�z"�t��J��.,��5�>�`�{�ڙ��w��n� mK`�E��g��&��_g6i�Ϳ��o�`��7� A.C.T. 11 IDENTIFICATION Step 4: Determine the thread standard. Size Gauge Dia. The Coarse Thread Series (UNC/UNRC) is the most common designation for general applications of screws and nuts. [��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�� Hex Head Fasteners . 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 endstream endobj 22 0 obj <> stream Straight c . THREAD CHART Grandeur Size UNC Filet / Thread UNF Filet / Thread Diamètre nominal Nominal diameter 1/4 20 28 0.2500 5/16 18 24 0.3125 3/8 16 24 0.3750 7/16 14 20 0.4375 1/2 13 20 0.5000 9/16 12 18 0.5625 5/8 11 18 0.6250 3/4 10 16 0.7500 7/8 9 14 0.8750 1 8 14 1.0000 1.1/8 7 12 1.1250 1.1/4 7 12 1.2500 1.3/8 6 12 1.3750 1.1/2 6 12 1.5000 UNC / UNF. x��! 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 … %�� ]��#ȵ ��v min. x� � ��0AC(��O�:j��#ּ x�� E(�(~pE0�x�&�wih�PB��FЉ�C��t�JJ�gW6� ��t��޵��^S��Ou��y�k� &Z� Pitch Dia d2=D2 min. Designation. endstream endobj 12 0 obj <> stream
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