Copper Lock Nut M10 x 1.25 DIN 14441
Copper Lock Nut
Hexagon
Metric Fine
Copper-plated steel
High Tensile Grade 8
Dia: M10
Pitch: 1.25
DIN: 14441
Wrench Size Across Flats: 17mm
A DIN 14441 (often sold as an Exhaust Slotted Nut) is a specialty fastener engineered for the high-vibration and extreme-heat environments of automotive exhaust systems.