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Stainless Steel Bolt Torque Chart

Stainless Steel Bolt Torque Chart - For a307 grade a, 75% of 36,000 psi is utilized. = clamp load for j429 grade 5 and 8, fnl grade 9, a574, class 4.6, 8.8, 10.9 and 12.9, the clamp loads are listed at 75% of the proof loads specified by the standard. All material included in this chart is advisory only, and its use by anyone. Use of its content by anyone is the sole responsibility of that person and they assume all risk. Torque values are calculated giving way to preliminary data tables. Web torque and pullout load. Web stainless steel bolt and machine screw torque reference. The following torque values are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners. This table is offered as the suggested maximum torque values for threaded products and is only a guide. The below estimated torque calculations are only offered as a guide.

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The Above Data Is Based On A Dry Installation And Should Not Be Used For A Lubricated Installation.

Different lengths of thread engagement were analyzed Web the following data tables are designed to be used as general guidance when installing stainless steel fasteners. In developing this information, fastenal has made a determined effort. This table is offered as the suggested maximum torque values for threaded products and is only a guide.

Torque Values Are Calculated Giving Way To Preliminary Data Tables.

For a307 grade a, 75% of 36,000 psi is utilized. The following torque values are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners. Around 640 torque tables were developed for unc, unf, and m fasteners. This shows torque values in nm for property classes 50, 70 and 80 as shown in the table below.

Testing Is Done To Various Bolts And Metal Plates, Torqueing Them Until The Point Of Failure.

Stainless steel fasteners tend to gall, especially with long run downs, prevailing torque fasteners, impact drivers, and lack of lubrication. The risk of galling or thread seizing can be reduced by: Stainless steel fasteners tend to gall, especially with long run downs, prevailing torque fasteners, impact drivers, and lack of lubrication. Stainless steel fasteners tend to gall, especially with long run downs, prevailing torque fasteners, impact drivers, and lack of lubrication.

* This Table Is Recommended For Use As A Guide Only.

While fastenal has used reliable sources and testing to determine these values, there are many variables that will effect the results and the use of this information is at sole risk of the user. This applies to ‘grades’ a1, a2, a3, a4 and a5. Stainless steel fasteners tend to gall, especially with long run downs, prevailing torque fasteners, impact drivers, and lack of lubrication. Web bolt torque chart reference guides include grade 2, b7, a307, a325, grade 8, a490, and grade 5.

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