POWERTEC QLN1203 Serrated Flange Hex Lock M12 Nuts Premium Carbon Steel Zinc Plated Fasteners 25 Pack

INCLUDES: Flange Hex Lock Nuts M12 25pcs, FUNCTION: These high quality serrated lock nuts bite into the surface that they’re tightened against, preventing any rotation or loosening, while the wide flange acts as an integrated washer providing a firm solid grip, APPLICATION: These steel lock nuts are perfect for a variety of heavy duty automotive applications, tank repairs, and machinery with severe vibration, SPECS: (item# QLN1203) Thread and Opposing Screw Size – M12 (12 mm diameter) External Hex Drive Style