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techtalk:ref:tools025 [2020/05/23 23:57] hippysmack [Torque Wrench Maintenance] |
techtalk:ref:tools025 [2020/06/18 02:46] hippysmack [Dry Torque Specs ft/lb] |
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| Related videos: | Related videos: | ||
| * [[https://www.youtube.com/watch?v=DQdOgW0Vl5Y|Clicker type torque wrench repair]] (includes disassembly) | * [[https://www.youtube.com/watch?v=DQdOgW0Vl5Y|Clicker type torque wrench repair]] (includes disassembly) | ||
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| ====== Torque Wrench and Accuracy ====== | ====== Torque Wrench and Accuracy ====== | ||
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| * These are only generalized specs that do not take into account the difference in steel and aluminum threading. See your FSM or instruction manual for specific torque values per application. | * These are only generalized specs that do not take into account the difference in steel and aluminum threading. See your FSM or instruction manual for specific torque values per application. | ||
| + | | **Steel Fasteners** ||||||||||| | ||
| ^Size/Grade^1/4"^5/16"^3/8"^7/16"^1/2"^9/16"^5/8"^3/4"^7/8"^1"^ | ^Size/Grade^1/4"^5/16"^3/8"^7/16"^1/2"^9/16"^5/8"^3/4"^7/8"^1"^ | ||
| |SAE 2|6|12|20|32|47|69|96|155|206|310((Clymer 2004-2013 HD Sportster Repair Manual))| | |SAE 2|6|12|20|32|47|69|96|155|206|310((Clymer 2004-2013 HD Sportster Repair Manual))| | ||
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| |SAE 7|13|25|44|71|110|154|215|360|570|840((Clymer 2004-2013 HD Sportster Repair Manual))| | |SAE 7|13|25|44|71|110|154|215|360|570|840((Clymer 2004-2013 HD Sportster Repair Manual))| | ||
| |SAE 8|14|29|47|78|119|169|230|380|600|700((Clymer 2004-2013 HD Sportster Repair Manual))| | |SAE 8|14|29|47|78|119|169|230|380|600|700((Clymer 2004-2013 HD Sportster Repair Manual))| | ||
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| + | **The following torque values (from engineersedge.com) are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners**. ((https://www.engineersedge.com/material_science/torque_values_stainless_steel_13353.htm)) \\ | ||
| + | For other friction conditions, significant modifications may be required. \\ | ||
| + | The following chart is a reprint from this site. \\ | ||
| + | | **Torque Values for Stainless Steel and Nonferrous Fasteners (inch series)** ||||||| | ||
| + | ^Bolt Size^18-8 Stainless Steel \\ Torque in-lbs^316 Stainless Steel \\ Torque in-lbs^Silicon Bronze \\ Torque in-lbs^Monel \\ Torque in-lbs^Brass \\ Torque in-lbs^2024-T4 Aluminum \\ Torque in-lbs^ | ||
| + | |4-40|5.2|5.5|4.8|5.3|4.3|2.9| | ||
| + | |4-48|6.6|6.9|6.1|6.7|5.4|3.6| | ||
| + | |5-40|7.7|8.1|7.1|7.8|6.3|4.2| | ||
| + | |5-44|9.4|9.8|8.7|9.6|7.7|5.1| | ||
| + | |6-32|9.6|10.1|8.9|9.8|7.9|5.3| | ||
| + | |6-40|12.1|12.7|11.2|12.3|9.9|6.6| | ||
| + | |8-32|19.8|20.7|18.4|20.2|16.2|10.8| | ||
| + | |8-36|22|23|20.4|22.4|18.0|12.0| | ||
| + | |10-24|22.8|23.8|21.2|25.9|18.6|13.8| | ||
| + | |10-32|31.7|33.1|29.3|34.9|25.9|19.2| | ||
| + | |1/4-20|75.2|78.8|68.8|85.3|61.5|45.6| | ||
| + | |1/4-28|94|99|87|106|77|57| | ||
| + | |5/16-18|132|138|123|149|107|80| | ||
| + | |5/16-24|142|147|131|160|116|86| | ||
| + | |3/8-16|236|247|219|266|192|143| | ||
| + | |3/8-24|259|271|240|294|212|157| | ||
| + | |7/16-14|376|393|349|427|317|228| | ||
| + | |7/16-20|400|418|371|451|327|242| | ||
| + | ^Bolt Size^18-8 Stainless Steel \\ Torque ft-lbs^316 Stainless Steel \\ Torque ft-lbs^Silicon Bronze \\ Torque ft-lbs^Monel \\ Torque ft-lbs^Brass \\ Torque ft-lbs^2024-T4 Aluminum \\ Torque ft-lbs^ | ||
| + | |1/2-13|43|45|40|48.7|35.2|26| | ||
| + | |1/2-20|45|47|42|51|37|27| | ||
| + | |9/16-12|56|59|53|65|47|34| | ||
| + | |9/16-18|62|65|58|71|51|38| | ||
| + | |5/8-11|92|96|86|111|76|60| | ||
| + | |5/8-18|103|108|96|123|85|67| | ||
| + | |3/4-10|127|131|118|153|104|82| | ||
| + | |3/4-16|124|129|115|149|102|80| | ||
| + | |7/8-9|194|202|178|231|159|124| | ||
| + | |7/8-14|193|201|177|230|158|124| | ||
| + | |1 - 8|286|299|265|344|235|184| | ||
| + | |1 - 14|259|270|240|311|212|166| | ||
| ===== Wet Torque Value Chart for Lubed Threads From Allied Systems ===== | ===== Wet Torque Value Chart for Lubed Threads From Allied Systems ===== | ||
