NUTFIX
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Technical data / Performances

< Torque - Tensile force - Push-out - Stainless steel grades >

Torque resistance

Direct torque
This value is representative of resistance to unscrewing after ageing.

NUTFIX Direct torque

Indirect torque
In most cases, indirect torque resistance is higher (even much higher) than recommended maximum tightening torque for 8.8 grade bolts with a friction coefficient of 0.20.
The value shown in the data sheets has therefore been limited to the recommended maximum tightening torque for 8.8 grade bolts with a friction coefficient of 0.20.
In other cases, the value shown in the data sheets corresponds to the recommended torque value that is compatible with NUTFIX™ indirect torque resistance.

NUTFIX Indirect torque

Recommended maximum tightening torque (N.m) - NF E25-030 (8.8 grade bolt)

Friction coefficient M 3 M 4 M 5 M 6 M 8 M 10 M 12 M 14 M 16
0.20 1.4 3.2 6.4 11.1 27 53 92 148 232
0.15 1.2 2.8 5.5 9.5 23 46 79 127 198
0.10 0.9 2.2 4.3 7.5 18.2 36 62 99 153

< Torque - Tensile force - Push-out - Stainless steel grades >

Tensile force

This value is representative of the force applied after NUTFIX™ assembly.
The tensile force values are provided in the NUTFIX™ data sheets.

NUTFIX Tensile force

< Torque - Tensile force - Push-out - Stainless steel grades >

Push-out force

This value is representative of the component’s resistance prior to assembly.
The push-out force values are provided in the NUTFIX™ data sheets.

NUTFIX Push-out

Data related to those tests is provided as a guideline only. These values may vary in accordance with the materials used and implementation conditions. It is recommended that tests be conducted in the actual application conditions.

< Torque - Tensile force - Push-out - Stainless steel grades >

Stainless steel grades

NUTFIX Inox NUTFIX Couleur Inox Stainless steel: The NUTFIX™ stainless steel range is produced using stainless steel from the austenitic family. This material is recognised for its effectiveness in corrosive environments.
NUTFIX Inox 316L NUTFIX Couleur Inox 316L 316L Stainless steel: Austenitic A4 stainless steel. The presence of Molybdenum in its composition encourages the auto-generation of a passive coating. This coating offers a natural protection which preserves the intrinsic properties of the component.
316L NUTFIX™ stainless steel components can be recognized by the groove on the body.
NUTFIX Inox HR NUTFIX Couleur Inox HR HR Stainless steel: The mechanical resistance of these HR stainless steel components facilitates and allows crimping on extremely hard workpieces (up to 90 HRB). The HR range is therefore the optimal solution, in mechanical terms, for stainless steel to stainless steel crimping.
The HR stainless steel NUTFIX™ components can be recognized by the wide groove on the body.
For extremely harsh environments and specific applications, LA CLUSIENNE-CLUFIX offers custom-made products that are extremely resistant to corrosion.

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