安装扭矩和预紧力计算-带摩擦系数（公制）

为六角头和内六角头螺钉计算拧紧力矩和预紧载荷。
计算考虑到摩擦分摊、工具精度和预紧载荷的分摊。

基于VDI 2230:2014

Screw type

Hex head	Socket head
ISO 4014/ISO 4017

Clearance hole - ISO 273

Fine Medium Coarse

Mechanical properties of material, thread size and friction

Property class of screw
Thread size
Utilization of yield strength %
Friction range
Thread friction value	Lower Upper
Nut/bolt head friction value	Lower Upper

Tool precision

Include tool precision

Data used in calculation

Results

Maximum tightening torque MA	Nm
Maximum preload FM	kN
Minimum preload FM	kN
Minimum preload FM	kN
Minimum preload FM	kN
Difference	%

Dimension doesn't exist, select a new!

Upper friction value cannot be smaller than lower friction value!

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