General description Qualfast M38X1.50 Hex Thin Nut is a high-quality hexagon thin nut designed for various applications. Made from standard steel with a plain surface treatment, this nut is suitable for metric fine threading and features a right-hand thread direction. It is classified as Grade 4 and complies with DIN 439 B (1987) standards. Technical specifications Thread Size: M38 Thread Type: Metric Fine Material: Steel Surface Treatment: Plain Grade: 4 Driving Features: Hexagon Box Quantity: 3 Thread Direction: Right MPN: 11070.380.150 Other information