Flange Hex Nuts (Serrated) A2 Stainless Steel M3 M4 M5 DIN 6923

These high-quality nuts feature a built-in flange and serrated face, designed to resist loosening from vibration and torque. A2 Stainless Steel Serrated Flange Nuts DIN 6923 Hex Lock Nut Anti-Loosen M3-M4-M5.

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