A hexagon nut with an exaggerated flange, which is serrated.
The serrated flange acts as a washer, spreading the tightening load over a greater area.
The serrations grip the mating surface once tightened, helping combat vibration.
Conforms to DIN 6923.
Grade 8 Steel.
Bright Zinc Plate (BZP) finish offers resistance to corrosion.
BOX OF 10