M8-1.25 Din 934 Metric Hex Nuts 18 8 Stainless Steel (Pack Qty 3 000) BC-M8D934188

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. Class 6 nuts are to be used with screws and bolts of property class 6.8 or lower. They are commonly used with metric machine screws. Class 6 nuts shall be made of a steel which conforms to the following chemical composition-- Carbon: 0.50% maximum; Phosphorus: 0.060% maximum; Sulfur: 0.150% maximum. Class 8 nuts are for use with screws and bolts of property class 8.8 and lower. They are often used in automotive and electronic applications. Class 8 nuts shall be made of a steel which conforms to the following chemical composition-- Carbon: 0.58% maximum maximum; Manganese: 0.25% minimum; Phosphorus: 0.060% maximum; Sulfur: 0.150% maximum. . Class 10 nuts are intended for use with screws and bolts of property classes 10.9 and lower. They are widely used in farm equipment. 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.