Guidlines for Coefficients of Frictions - Stainless Steel Fasteners

Coeffiecients of friction u total of stainless steel screws (VDI 2230)
μ total for lubricated condition
Screw Nut Oiled MoS2 Paste
A2 to A4 A2 to A5 0.23 - 0.50 0.10 - 0.20
A2 to A4 AIMgSi 0.28 - 0.35 0.08 - 0.16


Note: Due to the fact that fastening applications differ greatly, the above information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information.