Detail & Specs
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JIS B-1190 Metric Fine Thread Hex Flange Nut
M10X1.25 JIS flange nuts have a reduced wrench size for tight clearance applications where a small wrench is required. Commonly used in automotive and motorsport applications.
The flange under the nut acts as a built-in washer to evenly distribute pressure over a larger area against the fastening surface.
Smooth Flange: The smooth bottom will not mar the work surface.
Serrated Flange: The serrations on the bottom of this flange nut provide a locking action, digging into the parent material when tightened down and able to withstand extreme vibrations without loosening. Serrated flange nuts are meant to permanently mar the material they are installed against.
Base Spec: JIS B1190 Non-Serrated
Material: A2 Stainless Steel (304, 18-8)
