M8-1.25 Din 6923 Metric Hex Flange Nut Non Serrated 316 Stainless Steel (Pack Qty 750) BC-M8D6923316

PICTURES ARE REPRESENTATIVE OF ITEM BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions finish head markings thread length stamping shape or forging shape etc. may differ from picture. Products are guaranteed to meet the specifications to which they are manufactured. Specifications allow for tolerances in dimension and shape which can vary from lot to lot. A hex nut with an enlarged circular base flaring out from the bottom of the nut and a metric thread pitch. The bearing surface of the flange is smooth.. Class 8 nuts are intended for use with screws and bolts of property class 8.8 or lower. The flange design will span oversized or poorly aligned ratio.. Class 10 nuts are intended for use with screws and bolts of property class 10.9 or lower. The flange design will span oversized or poorly aligned holes. The flange provides a more uniform bearing-stress to clamp force ratio.. Class 8 nuts shall be made of a steel which conforms to the following chemical composition-- Carbon: 0.58% maximum; Manganese: 0.25% minimum; Phosphorus: 0.060% maximum; Sulfur: 0.150% maximum.. Class 10 nuts shall be made of a steel which conforms to the following chemical composition-- Carbon: 0.58% maximum; Manganese: 0.30% minimum; Phosphorus: 0.048% maximum; Sulfur: 0.058% maximum..