Steel Hex Nuts w/ Plain Finish, DIN 934 Class 10 - Metric M3 M4 M5 M6 M8 M10 $4.37 Size M3-0.50 Package Quantity 10 System of Measurement Metric Model DIN 934 MPN DIN 934 Finish Plain Drive Style External Hex Material Steel Brand MonsterBolts Grade Class 10 Type Hex Nuts condition New New Metric Hex Nuts with a plain finish. These are heavy duty class 10 steel nuts in a standard Metric Coarse thread.Specification sheet for each item below: