Fasteners - Bolts, nuts and threaded rods - torque, tension and loads; Related Documents . Metric Recommended Bolt Torque. Lubricating the bolts is the suggested method. Estimated with clamp load as 75% of proof load as specified in ISO 898-1 8.8. In general the proper torque spec is usually around 65-70% of the failure torque rate. ;D���v��:�����9�n� Y��,LO���,}\9g��\�s"m�����!J�u�����fh��7�?AT�DZs*�:t�/�e�E�ݻ�>�{�:���y����Lo���Q�Vq� ̈́�X�L����d�����E����0 3P ���8�[靥I�刺gG�6A������,x�b��EA������6W1`p�����pr�W?ɳ0_�WaªiᏤ��A-z�]"�y�� R]$E�h������b~�D�Q�m���M��g�)�Eaxr��OF�ʫ��Lq��eȥ�z恾(�>�g�t&f��93�!�Lk3Wj��k;SJ� �)J��R�����r���3�������'�a��6�fB2�"ƺ*|7 �s����=���QV厮���`��u���i�H�@�&4G��〩w�~M" endstream endobj 32 0 obj <>stream Always go to the manufacturer for proper torque specs. Proper torque spec varies depending on the material, bolt grade or wether lubrication is used such as oil, wax, or anti-seize Always go to the manufacturer for proper torque specs if needed. Related Topics . Metric Bolt Torque Table.
The below chart refers to usage in steel. endstream endobj 10 0 obj 45 endobj 7 0 obj << /Type /XObject /Subtype /Image /Name /im1 /Filter /FlateDecode /Width 946 /Height 417 /BitsPerComponent 8 /ColorSpace [ /Indexed /DeviceRGB 255 6 0 R ] /Length 8 0 R >> stream 10.9. H��VK��0��W��H�;3���ą���*@D��rXuZ+h��q�iӄ�U�������T��v��S���{�ȧ�2�q!Yʼn�%���V}�/����nX�֍�E���U���~T�R�@�7Q!rj��ޫ��i[]�-(T���Á�8�AF��(��0d�����/0���_]ig��ފ�u�w�u���vf6�`�q���3}�Ч=Ϸ#�SH8���UvC)ԏ3� %PDF-1.2 %����
Bolt Torque Specs in Foot Pounds or (Inch Pounds) Size/Thread Grade 5 Grade 8 Grade ASTM-A574 Class Tensile Torque Reference Chart Metric (ISO 898) - Inch (SAE J429) Note: These charts are provided as a Reference only. ; Bolt size Low Grade Grade 8.8 Grade 10.9 Grade 12.9; 6mm: 3-5 ...Articles The numbers above have been compiled from various machine builder specs and other resources. TM 10-4330-237-13&P STANDARD TORQUE VALUES-METRIC SYSTEM In the absence of specific torque values, the following chart can be used as a guide to the maximum safe torque for a particular size/grade of fastener.
Cables & more The chart above is an approximate estimate of torque values and have not been validated for accuracy. Bolt Torque Calculator - Calculate required bolt torque; Improvised Torque Wrench - Improvised torque wrench with luggage scale; ISO 724 - Metric Threads - Dimensions of metric threads according ISO 724; Lubricated Bolts and Reduced Torque - Lubrication effect on bolt tension and torque The values shown in the chart are to be used as a mid-range guideline. If you require additional torque specs for other applications search on the internet or get in tough with your bolt supplier. There is no torque difference for fine or coarse threads. Lubed means cleaned, dry bolts, lubricated with standard medium viscosity machine oil. Bolts in soft materials such as aluminum Example-hydraulic manifolds. Smaller size bolts which can be easily over torqued. 1040
endstream endobj 29 0 obj <>/Metadata 2 0 R/Pages 26 0 R/StructTreeRoot 6 0 R/Type/Catalog/ViewerPreferences<>>> endobj 30 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC/ImageI]/Properties<>>>/XObject<>>>/Rotate 0/StructParents 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 31 0 obj <>stream CNC Store, Share your CNC information? Buy RS232 TM 10-4330-237-13&P STANDARD TORQUE VALUES-METRIC SYSTEM In the absence of specific torque values, the following chart can be used as a guide to the maximum safe torque for a particular size/grade of fastener. Accepted formulae relating torque and tension, based on many tests are: M = P x D M = torque lbf.ft 60 P = bolt tension lbf D = bolt dia.ins Or for metric sizes: M = P x D M = torque N.m 5000 P = bolt tension Newtons D = bolt dia. at the Below is a list of bolt torques compiles from various machine tool manufacturers. endstream endobj 33 0 obj <>stream Metric Bolts Maximum Torque, in foot-pounds, for clean, dry threads Check your Shop Manual! h�bbd```b``� "�$�1�d�fW��_`���"��A$�I��0[l�3�`g ��`Y-���`�S R�,�V "�v�MX$���0I��u��R�2 �.��W�j@"�Q_��@��0�D�}���l/�]��n ��� &�A$g*�\"���I&��@��D8�.�.� ��@�c�C&`H����8�H`2ȼ` ��'D endstream endobj startxref
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; Bolt size Low Grade Grade 8.8 Grade 10.9 Grade 12.9; 6mm: 3-5 Metric Recommended Bolt Torque. Always refer to vehicle manufactures recommended Torque … Bolt Diameter (mm) Recommended Torque (Nm) Class 8.8 Print this page . Torque values are based on clean, dry threads.
�)?V��t7�R�!K�T3���=��DK_�e��u?\t^� '�A�0�����5i�W{���]��s�]7�Az���k][��.�D�#�Ã���)��(N�Q g���p�3rN�d�?��ã�q:��Ra'��u(��L�F����;�Цe ��d]�Ε�ì��r���. }�i�f�U����hF?>C��*M�$_ϼ�S�x��J��#���_��_��cPp���p���C�����m�� ** Torque values for 1/4" and 5/16" sizes are in inch lb. %PDF-1.6 %���� M6 - M16: 800 M20 - M30: 830. Bolt Diameter (mm) Recommended Torque (Nm) Class 8.8 Clamp loads for Grade C lock nuts equal 75% of the bolt proof loads specified for SAE J-429 Grade 8, and ASTM A-354 Grade BD bolts. �s� z:?��� T/��ʠ��b���a@:QN��b�n�I�k�%���cod�+aA�M�+�u� w�����)]��ݓ Fastener Torque Specifications 8 SAE and Metric Fastener Torque Specifications Metric Plain and Zinc Plated Hex and Socket Head Cap Screws TORQUE CHART - METRIC PLAIN AND ZINC PLATED HEX HEAD AND SOCKET HEAD CAP SCREWS 0 There is no torque difference for fine or coarse threads. Any housing or thin wall material that has a chance to be distorted if over tightened or an uneven torque is applied. Lubrication added to a dry bolt will typically reduce the torque value 15-25%. ...Macro programs l;b��+��IЛ�D���ST���7ß�^�FB�{��11`�Q�'4Z�'opc��bY$pA�VJ4���v������pƞ�C�{�ՠF�vެ3f9�����5�9[f��ҽ^p bolts. H�+T�522U0 B]KK#=sS#c=S��\^��\C�|^ � Always go to the manufacturer for proper torque specifications. Please Email Us ��OL�D��ı����&�z�k��MB������LY&�����;�5��i��Õ� �<1�
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[���56��� #��0ځx�7vJPg�3TO4a�7��. The below is approximate values and have not been validated for accuracy. TORQUE-TENSION RELATIONSHIP FOR A307A, GRADE 5, 8 & 9 BOLTS Locknut Size Threads per inch Steel Hex Locknut Steel Hex Flange Nut ... ELECTRODEPOSITED ZINC & LUBRICATED PREVAILING-TORQUE ALL-METAL TYPE NUTS Nominal Dia. IFI-100 does not govern lock nuts above 1". 10.9. | CNC books store | back to top, Machinetoolhelp home | CNC buying tips | CNC Automation | CNC Programming | Machinery installation | Machine preventive maintenance | Machinery troubleshooting | CNC machine repair | Learning CNC & Tutorials | CNC Professional Forums | CNC information | Links | CNC Software | CNC videos and CNC training videos, document.write("Machinetoolhelp.com LLC all rights Reserved copyright © 2003-2010
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�D3`�1���T�ܒA l2��#���M8���.��,�b�'�Z�a� �3ƈ�`�I �`�@eL��g��>vg�+�^A⋅A�x? Related Topics . Print this page . METRIC FASTENERS Nominal Size or Basic Screw Dia. Bolt Torque Specs in Foot Pounds or (Inch Pounds) Size/Thread Grade 5 Grade 8 Grade ASTM-A574 Class Tensile Torque Reference Chart Metric (ISO 898) - Inch (SAE J429) Note: These charts are provided as a Reference only. h�b``0a``�```��v�01G�� �H�l�L��1h:0�3�n`�ʠ�����[�B� �[���� �� H��VM�9������W���j��JK�Bv��6Y���*�=lB:l$.n�ۯ��*'�����fϞM�7�`�ŋW��Ln�狏����_��W}3���o��u3��_��f�����OMg�1Y�G˱M�:��\B�ђ��K�^M�ΫE�Y���ռ�пޅ�5���Q�������i;T�y�9���]N� ��.iÈ�tXaA�ڨVA����Q���5{y%�U���� l�:R$m��L�=l�;X������:�Չ��="8���]&����F���p��pE��۶���][����?�eJ��o�ǐ��u�k����Bλ��a �b"�gŽ{�ݴY�)o+��yūe���c��X!���).k���tLSO�10�����O[�;æd�5���v�8�fGv 4nK���H����IWK'HZ,�T]�.��8�SR�2~�f-��^�L�-W�R����r��7����Kl�ol{ܶd�L�cB�-�����p��G���.�������aQkm��T���b&�)i#V@'�y�k��츻�M�[&7܄у��'�L,�'��X�f_��7 S�;� *z+(_؈x�˧Q��#��Z�.�6��Ϥ�f���s4�~ �=��-��"����)������Sɍ(=2�!C��G���p�4l\��Ѝ'�̋������j�$�Dv'�Ɠ�{��)ʆ���5U�g�T���Aq ����O(>�v�F?�{u�ґ���?��9 �� Jٗ�|����h�_ �z� /�<1� :gg*5I�G�L�Vp�.������iy��K+_%� 9XI�с�+cņOn��}8]d�.�P�߃8~��� �=�o���� g�z�f��S������6yC�߶&d ]/�U�y����WJ�!$v�o@�����xS�í�غ�Xz��6 Fasteners - Bolts, nuts and threaded rods - torque, tension and loads; Related Documents . The chart above is approximate values and have not been validated for accuracy. Nom Dia-Pitch Nom Size x Pitch INCH BOLT TORQUE TABLE SAE J429 and ASME 574 METRIC BOLT TORQUE TABLE ISO 898 28 0 obj <> endobj %%EOF Proper torque spec varies depending on the material, bolt grade or if lubrication is used such as oil, wax, or anti-seize. 9 0 obj << /Length 10 0 R /Filter /FlateDecode >> stream 2,7��V+0>c�7`,d2}�h�tJ�1�uc�*FI���1�>`g���i����u�a����5MLq� @��@�ٱ�;�B͔ eaP���{� ы'� Lubricating the bolts is the suggested method. Thank you for all your contributions and supporting the CNC community. Suggestions or comments? >� ��' ��8Ri3��*DѢ2��S�iW2�"n�j+�jyH�ar�{�ߍS&�m��u�M��(zy�9��*�4��RB�6w�!ot�X�N][L�Ŷ�:b�sN�>d � ����?�m�w��S~;�){,��:��r3-T�L ���Fd#��1�(�X�o�� 12.9 Socket Head Cap Screw. METRIC GRADE 10.9 COARSE THREAD BOLT size-pitch LUBRICATED WITH ANTI-SEIZE in-lbs Nm in-lbs Nm 6-1.00 119 13 80 9 ft-lbs Nm ft-lbs Nm 8-1.25 25 34 17 23 10-1.50 48 65 32 43 12-1.75 84 114 56 76 14-2.00 135 183 89 121 16-2.00 210 285 140 190 Proper torque spec varies depending on the material, bolt grade or wether lubrication is used such as oil, wax, or anti-seize Always go to the manufacturer for proper torque … "����w�%i3� �}�;�?��XA(��hE�"�2b5aRk3�XK8��O�Pħ�kM|F�o�ω����H.�/����(m�(1DKA|K��6�X!� In general the proper torque spec is usually around 65-70% of the failure torque rate. Proper torque spec varies depending on the material, bolt grade or if lubrication is used such as oil, wax, or antisieze. 1040 Author: JFonder Created Date: 7/8/2004 2:16:57 PM Title: metric torque values Keywords "metric torque values" Title: Metric Bolts, Screws & Nuts: Tightening Torques Author: Fastener Mart Created Date: 8/12/2006 10:22:23 PM ...Procedures 12.9 Socket Head Cap Screw. Metric Bolts Maximum Torque, in foot-pounds, for clean, dry threads Check your Shop Manual! %PDF-1.4 %���� mm These formulae may be used for bolts outside the range of the tables overleaf. Estimated with clamp load as 75% of proof load as specified in ISO 898-1 8.8.