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FLANGE SLOTTED NUT

Parameter Category	Description
Material	Iron (carbon steel), stainless steel (304/316)
Surface Treatment	Electroplating (zinc/nickel), hot-dip galvanizing, black oxide
Standard Specifications	Complies with ISO 10513, GB/T 6181, DIN 6927, etc.
Thread Specifications	M8-M48, 5/16"-2"

Overview
Recommended Products

Structural Features

Hexagonal body + integrated wide flange (enhances contact area) + 2-4 axial top slots. Insert cotter pin through slots and bolt hole to lock the nut after tightening.