Lock Nuts

Lock nuts are designed to provide secure fastening with added resistance to loosening under vibration and movement. Commonly used in mechanical, automotive and structural applications, these nuts incorporate a locking feature to maintain a firm connection over time. Manufactured in zinc plated steel, A2 and A4 stainless steel, and brass, they offer durability and corrosion resistance for both internal and external environments.

Available in commonly used metric sizes and thread types, these nuts ensure accurate fit, secure locking performance and consistent reliability across general engineering, maintenance and assembly applications.

Lock Nuts

Diameter

Material

Pitch

M20 Lock Nut DIN 439 A2 Pack 50

M20 Lock Nut LH Thread DIN 439 A2 Pack 50

M20 Lock Nut DIN 439 A4 Pack 50

M20 Lock Nut DIN 439 Brass Pack 100

M20 Lock Nut DIN 439 Zinc Plated Gr.4 Pack 100

M22x1.50P Lock Nut DIN 439 A2 Pack 25

Diameter

Material

Pitch

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