A serrated lock washer is a washer with radial teeth that bite into the mating surfaces under tightening. The serrations increase friction and resist rotation, providing effective anti-loosening performance without adding significant stack height.
ProductNuts & Washer
materialsCarbon/Alloy/Stainless Steel
FinishBlack Oxide/Plain
Size RangeM12-M36+
Strength GradeHV 300-400
ApplicationsAnti-loosening under vibration/Electrical grounding connections