China Fastener Precision Casting Stainless Steel Large Ear Nut Edged Butterfly Wing Nut

Product Description

   China Fastener Precision Casting Stainless Steel Edged Wing Nut
 

Product Description

Stainless steel wing nuts are thumb screw-style fasteners featuring two protruding "wings" for manual tightening and loosening. They eliminate the need for tools in assembly and disassembly processes, making them perfect for applications requiring regular maintenance, adjustment, or quick access.

Available Types
Standard Wing Nuts: Traditional two-wing design
Heavy-Duty Wing Nuts: Reinforced wings for higher torque applications
Knurled Wing Nuts: Enhanced grip surface on wings
Wing Nuts with Washers: Integrated or attached washers
Custom Wing Nuts: Special sizes, finishes, or markings

We specializes in manufacturing premium stainless steel wing nuts for industrial, marine, automotive, and construction applications. As a trusted OEM/ODM supplier, we produce AISI 304 (A2) and 316 (A4) grade wing nuts that combine corrosion resistance with user-friendly hand-tightening functionality. Our wing nuts are ideal for applications requiring frequent adjustment, easy installation without tools, and reliable performance in demanding environments.

Notes
1. The above parameter is only for reference, the product is subject to the actual dimension
2. Customized product is welcome, please contact us for more details
Product Description

Product Name	Butterfly Wing Nut
Material	Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420 Carbon Steel: 4.8, 6.8, 8.8, 10.9, 12.9
Size	M3-M20 or as per your request
Standard	ISO,GB, DIN, JIS, ANSI, BSW,ASME
Certificate	ISO9001:2008, SGS testing report & RoHS
Finishing	Zn- Plated, Ni-plated, Tin-Plated, Radiant Plated, Passivated, Brass plated, Cd- plated, Phosphate Anodize, Cr-plated, Black Oxide etc
Heat Treatment	Tempering, Hardening,Spheroidizing, Stress Relieving etc
Package	General export package, or according to customer's requirement
Delivery time	About 7 -15 days after all details are confirmed and able to offer fast delivery for urgent order
Customer Service	Replacement at all our costs for rejected products if the part does not match the PO drawings

Our Services
1. We are specialized in manufacturing fastener
2. Rich manufacturing experience.
3. High quality at a competitive price.
4. Domestic and Overseas markets.
5. Well equipped with complete facilities.
6. Strict quality control
7. In addition to supplying varieties of types and specifications to our customers, we also accept customized products.




Product Features
1. No glitches: It has advanced deburring equipment and is reprocessed by hand. Let each product be clean without leaving burrs
2. No deformation: All the polishing masters have more than 10 years of polishing experience, and they have one-to-one training before starting to make the polished products have sharp edges and corners without deformation.
3. No pitting: Owning a surface treatment department, no outsourcing processing is required. The surface treatment of the product selects high-quality materials to make the product shiny and super three-dimensional.
4. Strict standards: Each product is fully inspected according to quality standards, and the delivery rate is high.

Quality Control Steps
Raw material inspection and certification
Dimensional verification at each production stage
Thread gauge inspection (GO/NO-GO gauges)
Surface finish evaluation
Final audit and batch testing
Salt spray testing (upon request)

Testing Capabilities
Dimensional Inspection: CMM, optical comparators, thread gauges
Material Analysis: Spectrometer testing for alloy verification
Mechanical Testing: Tensile strength, hardness testing
Corrosion Testing: Salt spray (ASTM B117), humidity chamber
Torque Testing: Installation and removal torque verification

Our Advantages

With more than 10 years of experience, we know exactly what you need; 
Strict quality control in raw material selection, production line, and pre-packing, which ensures reliable product quality as per customer's request. 
Prompt action on customer's requirements. 

Packaging & Shipping

Shipping way:
1) 0-100kg: express&air freight priority,
2) >100kg: sea freight priority,
3) As per customized specifications

Packing & Delivery:
1. Packing Detail: Each product is packed with plastic preservative, EPE, foam plastic bag, Carton outside, wood case, or iron case or as per the customer's special requirement. Besides, the custom package takes a week to prepare in advance.
2. Delivery Detail: the fast International Shipping time takes 3 ~5 working days by DHL/UPS/FedEx, and slow shipping time takes 7~ 8 working days by DHL/UPS/FedEx/TNT, etc

FAQ

Q1: Do you offer free samples? 
A: Sure,we are glad to send you free samples for your evaluation. But currently we need you to kindly pay the delivery charge on your side if you'd like to have our samples. 

Q2:How long does your delivery time take? 
A:In general, our delivery time is within 7 days, and may be longer if the quantity is extremely large or special circumstances occur. 

Q3:Can I go to your factory to visit? 
A:Of course, we welcome customers from all over the world to visit our factory. 

Q4:Does the product have quality inspection before loading? 
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed and customers can appoint third parties to inspect the products before loading too. 

Q5:How to pack the products?
 A: Standard export sea-worthy packaging, the inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion and various climate changes during ocean transportation. 

Q6: How to order? 
A: Buyer sends the enquery --> Buyer gets the quotation --> Order confirmation --> Buyer send the deposit --> Seller prepares goods --> Seller makes the strict inspection --> Buyer Arranges Balance Payment --> packing and delivery

Please contact us with your detailed drawings, our well-trained service staff and professional engineers will get back to you according to your requirement.

If there's anything we can help with, please feel free to contact us.