四角蝶ナット

Square wing nuts get different coatings to make them work better and look nicer. Here’s what they do:

Zinc plating (like electro-galvanizing) adds a rust-proof layer for indoor or light outdoor use.

Hot-dip galvanizing gives a thicker layer for tough places like coastal areas.

Stainless steel ones get passivated to remove iron bits and stop rusting.

Nickel or chrome plating makes them shiny for things like buildings.

Powder-coated nuts come in custom colors for visibility or branding.

Black oxide coatings cut down glare in machines.

These coatings make sure the square wing nuts work well and look good too.

Size

Square wing nuts have standard sizes used all over the world. The most common thread sizes range from M4 (4mm) up to M24 (24mm) to fit different bolt diameters. In North America, they also use Imperial sizes like #8-32 or 1/2"-13 UNC.

The wings are usually about 1.5 times the width of the nut for a good grip, following standards like DIN 315 or ANSI B18.13. If you need something special, you can get custom sizes—like longer wings or slimmer designs—for specific machines or tight spaces. Technical drawings show details like thread spacing, wing thickness, and total height to make sure they work with existing parts. You can also get them with left-handed threads for special rotation needs.

FAQ

Q: How do you handle quality disputes or defective square wing nuts in large shipments?

A:Here’s how we handle quality and service:

We check every square wing nut’s size and test batches for salt spray resistance, torque strength, and load capacity before shipping.

If you find any issues, send us photos/videos. Our team will get back to you within 24 hours. If we confirm the problem, we’ll either send replacements right away or issue a refund as per our warranty.

For critical projects, we can arrange pre-shipment inspections by SGS/BV.

Our 18-month warranty covers defects in materials or workmanship.

We keep 3% extra stock on hand for urgent replacements to minimize downtime.

Long-term clients get a dedicated rep who helps resolve issues fast and improves future orders based on your feedback.

Market Distribution

Product Uses

Square Wing Nut works well in scenarios that need frequent manual adjustments without additional tools. It is commonly applied to agricultural machinery parts, such as the adjustment components of harvesters and planters, allowing operators to make quick tweaks on site. In the construction field, it is used for temporary fixing of scaffolding accessories and formwork connections, where workers can tighten or loosen it by hand to save time. For outdoor equipment like solar panel supports and tent frames, it provides a reliable connection that can be adjusted according to weather conditions or installation needs. It also fits furniture assembly, especially for movable parts like cabinet doors and shelf brackets, and is widely used in DIY projects and small machine maintenance due to its simple operation and no need for professional tools.

Product Packaging

Square Wing Nut is packaged based on order quantity to ensure product integrity during transportation and storage. Small orders, usually less than 500 pieces, are packed in transparent plastic bags, each sealed tightly and labeled with basic information including size, material and quantity. Medium orders between 500 and 5000 pieces are placed in hard plastic boxes with separate compartments to prevent collision and scratching between individual nuts. Large orders over 5000 pieces are packed in corrugated cartons lined with foam or bubble wrap for extra protection, with each carton marked with the total quantity, product specifications and batch number. For customized packaging requests, such as adding desiccants to prevent rust or using specific brand packaging, customers can negotiate with the supplier in advance, and the packaging cost will be adjusted accordingly based on the actual requirements.