Hex flange nut

Hex flange nut is a nut with flange which offers bearing surface to prevent damage during assembly, normally flange nut need to match with bolts or screws on using. Sometimes the hex flange nut will be serrated on washer part to offer anti-rotation friction after assembly, especially when joining soft materials like wood and plastic.

Standards: DIN 6923/ISO 4161/ASME B 18.2.2
Material:Carbon and alloy steel/Stainless steel SS 304,SS 316 etc.
Surface treatment:Electroplated or plain.
Tolerance: thread tolerance 6 H.
Product grade A D≤M 16，B D>M 16.
Mechanical properties: class 6/8/10 as agreed.