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$19.99
qjuwhua 100 Pieces M4 Serrated Flanged Nuts 4mm Hexagonal Nuts DIN 6923 — image 1
Flange Nutsqjuwhua✓ In stock

qjuwhua 100 Pieces M4 Serrated Flanged Nuts 4mm Hexagonal Nuts DIN 6923

$19.99

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About this item
  • Practical Kit: You will receive 100 silver zinc hexagonal serrated M4 nuts, which can be used with standard parts such as M4 bolts and screws. Sufficient quantity, suitable for home maintenance, bicycle decoration, and other scenarios, meeting the needs of production, repair, and DIY projects.
  • Premium Material: qjuwhua M4 nylock nuts are made of high-quality carbon steel with zinc coating, making them sturdy, durable, uniform in color, and smooth without burrs. 4mm nuts have excellent rust and corrosion resistance, making them suitable for humid outdoor or industrial environments and ensuring structural stability even after long-term use.
  • Integrated Flange Design: qjuwhua M4 nut features a bottom-mounted locking tooth structure, effectively increasing frictional resistance. The integrated M4 nylock nut design increases the contact area, distributes pressure, and ensures stable locking. This dual design combination achieves stable locking and effectively prevents the M4 nut from loosening due to vibration or impact.
  • Easy to operate: qjuwhua hexagonal design of the M4 nut allows for quick adaptation to various commonly used wrenches and sockets, enabling efficient assembly and disassembly. Its sharp edges and precise dimensions provide a stable and reliable point of force application, preventing slippage during operation and effectively simplifying the assembly process while balancing work efficiency and operational safety.
  • Wide Range of Applications: M4 nuts are suitable for industrial applications such as mechanical engineering, automotive repair, building construction, and furniture assembly. They are also widely used in everyday projects such as solar panel installation, 3D printing, bicycle repair, and home DIY projects. Their versatility and reliability make them an ideal fastening choice for both industrial and everyday use.
Product description

Serrated Flange Hex Lock Nuts M4 100Pcs: 1.Made of high-quality carbon steel with a white zinc coating, these 4mm nuts are sturdy, rust-proof, and suitable for long-term use in humid environments. 2.qjuwhua M4 nylock nuts feature an integrated flange design with locking teeth, increasing the contact surface to prevent loosening and resisting vibration and impact. 3.The hexagonal shape of M4 nuts is compatible with common tools, ensuring stable and non-slip operation and improving assembly efficiency. 4.qjuwhua M4 nuts are widely used in machinery, construction, automotive, and DIY fields, and are universal and reliable fasteners. 5.We offer various sizes of white zinc hexagonal serrated nylock nuts: M3, M4, M5, M6, M8, M10, M12, M14, M16. Product Specifications: Material: Carbon steel, white zinc Size: M4 Pitch: 0.7 mm Package List: 100 Pcs M4 Serrated Flange Hex Lock Nuts Precautions: 1.Please check the fasteners regularly during use to ensure safety and stability. 2.Slight errors may exist due to manual measurement.

Product details
Brand
qjuwhua
Manufacturer
qjuwhua
Material
Carbon Steel
Size
M4-100pcs
Part number
042-2

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10 Trustpilot reviews total, with 2 shown at a time.

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Sigalit
🇮🇱 · January 2026

I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

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Verified buyer
🇦🇺 · November 2025

The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

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