5/16-18 Serrated Flange Hex Lock Nuts Grade 8 Black Phosphate 1 1/8-7 M20 x 80 DIN 931

M20 x 80 DIN 931 8

The 1/4-20 Heavy Hex Nut Black Oxide is a versatile and durable nut designed for heavy-duty applications

These nuts feature a serrated flange that bites into the mating surface

Its hexagonal shape allows for easy tightening and loosening with a wrench or socket

Its non-serrated design ensures a smooth surface and prevents damage to mating surfaces

5/16-18 Serrated Flange Hex Lock Nuts Grade 8 Black Phosphate 1 1/8-7 M20 x 80 DIN 9315 16 18 Serrated Flange Hex Lock Nuts Grade 8 Black Phosphate are designed to provide a secure and reliable connection in demanding applications. These nuts feature a serrated flange that bites into the mating surface, preventing loosening due to vibration or movement. The hex head allows for easy installation and removal using a standard wrench. The Grade 8 rating indicates high strength and durability, making them suitable for use in critical