METALLIXITY Hex Lock Nut Fasteners(#4-40) 50Pcs, Carbon Steel Nylon Inserted Self-Lock Nuts - for Car Garage Ship Mechanical Equipment, Silver Tone

• [1]: APPLY TO - Can be used in all kinds of machinery and industry. Such as aerospace equipment, agricultural machinery, automotive industry, electrical products, construction machinery, ships, garage doors, etc.
• [2]: SPECIFICATION - Thread Size: #4-40(Dia); Width Across Flats: 6mm(W)/0.24"; Thickness: 4mm(T)/0.16"; Color: Silver Tone
• [3]: DESIGN - The product is designed to be secured with a nylon insert that rely on friction to create tension between the bolt and hex nut. Despite the high vibrations encountered by the lock nut, the lock nut cannot move freely for the purpose of locking.
• [4]: ADVANTAGE - All use carbon steel material with zinc plating, high hardness, strength, durability, no-rust, wear-resistance, and perfect corrosion resistance.
• [5]: QUANTITY INCLUDED - 50pcs x Hex Lock Nut Fasteners

APPLY TO - Can be used in all kinds of machinery and industry. Such as aerospace equipment, agricultural machinery, automotive industry, electrical products, construction machinery, ships, garage doors, etc. SPECIFICATION: Material: Carbon Steel Color: Silver Tone Style: Nylon Insert Thread Size: #4-40(Dia) Width Across Flats: 6mm(W)/0.24" Thickness: 4mm(T)/0.16" QUANTITY INCLUDED - 50pcs x Hex Lock Nut Fasteners ADVANTAGE - All use carbon steel material with zinc plating, high hardness, strength, durability, no-rust, wear-resistance, and perfect corrosion resistance. EXPLAIN: Please determine the correct size hex lock nut you need based on your old hex nut or bolt thread size before ordering.