OEM Heavy Duty Stainless Steel SS304 Butterfly Toggle/Edged Wing Nut
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Basic Info.
- Model NO.
- WF-JF
- Application
- Machine Parts, Transportation, Decorations
- Certification
- CCC, CE, ISO
- Surface Treatment
- Yes
- Technics
- Forged
- Material
- Steel
- Item
- Wing Nut
- Standard
- ASTM
- Casting Form Material
- Metal
- Casting Metal
- Cast Steel
- Casting Form Usage Count
- Permanent
- Surface Roughness
- Ra3.2
- Coating
- Sodium Silicate
- Machining Tolerance
- +/-0.02mm
- Casting Method
- Precision Casting
- Raw Material
- Carbon Steel, Stainless Steel
- Tolerance
- +-0.2 or as Drawings
- Technology
- Casting + Machining
- Service
- Shengao, OEM
- Color
- Nature or as Request
- Export Markets
- Global
- Transport Package
- Plywood Box
- Specification
- SGS
- Trademark
- Shengao
- Origin
- Weifang, Shangdong, China
- HS Code
- 87089910
- Production Capacity
- 50000PCS/Month
Packaging & Delivery
- Package Size
- 30.00cm * 20.00cm * 15.00cm
- Package Gross Weight
- 45.000kg
Product Description
Our Services
1. We are specialized in manufacturing fastener
2. Rich manufacture experience.
3. High quality with 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 product.
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 Discreption
| 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 confirmed and able to offering fast delivery for urgent order |
| Customer Service | Replacement at all our cost for rejected products if the part does not match with the PO drawings |
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.
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Products name
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BOLTS, NUTS, WASHERS, SCREWS, THREADED ROD, ANCHOR BOLTS, STAMPING PART,SOLAR ENERGY ACCESSORIES
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Standard
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DIN,ASTM/ANSI JIS EN ISO,AS,GB
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Material
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Stainless Steel: SS201, SS303, SS304, SS316,SS316L,SS904L ,SS31803
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Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449,
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Finishing
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Zinc(Yellow,White,Blue,Black),Hot Dip Galvanized(HDG),Black, Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated |
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Production
Process
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M2-M24:Cold Froging,M24-M100 Hot Forging, Machining and CNC for Customized fastener |
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Customized Products
Lead time
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Busy season:15-30days,Slack seaon:10-20days
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Stock Products
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Stainless steel: All DIN Standard stainless steel fastener(BOLTS,NUTS.SCREWS.WASHERS)
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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 requirments.
What is the advantages of wing nut?
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
We are a fastener group that integrates product development,production and sales, and owns an area of over 10,000 square meters warehouses. With over 100 highly qualified marketing & managing staff, advanced & perfect management, practical & efficient operations, the corporation has always enjoyed a valuable reputation. It has been consecutively ranked AAA grade credit enterprise.
The company specializes in the production of various standard fasteners and non-standard fasteners. The main products include: all kinds of ordinary flat washers, high-strength washers, spring washers, stamping parts, etc. Main product standards: DIN, ASTM / ASME, ANSI, JIS, NFE, ISO and GB, etc. Our production capacity per month is around 10 containers equal to around 200 tons. Our products are sold to America, Europe and Australia. Our annual sales grows around 40% per year recently, and we has long been ranked first in the domestic industry.
We will always maintain the core service concept of "Quality First, Technology Development, Customer Supreme, and Excellent Service" no matter now or in the future to reassure our customers. Our mission is to let 'Screws are not hard to find'. Shenzhen Haosheng Stainless Steel Products Co. Ltd is willing to advance together with you and creating a grand blue print for tomorrow.
FAQ:
1. What is a stainless steel wing nut?
A stainless steel wing nut is a type of fastener with two protruding "wings" that allow for hand-tightening and loosening without tools. It is made from stainless steel, providing excellent corrosion resistance and durability.
2. What are the advantages of stainless steel wing nuts?
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Corrosion Resistance: Ideal for outdoor, marine, and high-moisture environments.
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Strength & Durability: Good mechanical strength and long service life.
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Tool-Free Operation: Easy to install and remove by hand for quick adjustments.
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Hygienic & Aesthetic: Easy to clean, with a clean, modern appearance suitable for food service, medical, and architectural applications.
3. What are the common grades of stainless steel used?
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AISI 304 (A2): The most common grade, offering good corrosion resistance for general purposes.
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AISI 316 (A4): Superior corrosion resistance, especially against chlorides and acids. Recommended for marine and chemical environments.
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Other Grades: 303 (for improved machinability) and 410 (martensitic, heat-treatable for higher strength).
4. What thread types are available?
Standard thread types include:
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Coarse Thread (UNC): Common, faster assembly.
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Fine Thread (UNF): For applications requiring finer adjustment.
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Metric Threads: Standard in many countries.
Always specify the thread size (e.g., #8-32, 1/4"-20, M6, M8) when ordering.
5. What finishes are available?
Common finishes include:
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Plain / Mill Finish: Natural stainless steel appearance.
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Passivated: Chemical treatment to enhance corrosion resistance by removing free iron and forming a protective oxide layer.
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Electropolished: Smooth, mirror-like finish that further improves corrosion resistance and cleanability.
6. Are stainless steel wing nuts magnetic?
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Austenitic grades like 304 and 316 are generally non-magnetic in the annealed state but may become slightly magnetic after cold working (e.g., during forging or threading).
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Martensitic grades (like 410) are magnetic.
7. Can I use stainless steel wing nuts with other metal fasteners?
Use caution to avoid galvanic corrosion. Stainless steel is cathodic relative to many metals (like aluminum, zinc, or carbon steel). Direct contact in a corrosive environment can accelerate corrosion of the less noble metal. Use insulating washers or choose compatible materials.
8. What are typical applications?
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Marine equipment (boats, docks)
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Food processing and beverage machinery
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Architectural fixtures and furniture
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HVAC systems
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Agricultural equipment
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Stage and lighting rigging
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Recreational vehicles and camping gear
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Any application requiring frequent, tool-free adjustment in corrosive environments.
9. How do I choose the right size?
Determine:
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Thread Diameter and Pitch (e.g., 1/4"-20 or M6 x 1.0)
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Wing Span: For grip and torque application.
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Height/Profile: Low-profile or standard.
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Grade: 304 for general use, 316 for harsh environments.
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Standards: Compliance with relevant standards (e.g., ASME B18.6.9, DIN 315).
10. What is the maximum torque I can apply by hand?
Torque varies by size and user strength. Generally, hand-tightening provides sufficient clamping for light to medium-duty applications. For critical high-vibration applications, consider a final check with a torque wrench or using a locking variant (e.g., with a nylon insert).
11. Are there locking or self-locking wing nut versions?
Yes. Options include:
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Nylon Insert Locking Wing Nuts: A nylon ring prevents loosening from vibration.
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Serrated Bearing Surface: Provides a grip on the mating surface.
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Prevailing Torque Types: Deformed threads create friction.
12. How do I clean and maintain stainless steel wing nuts?
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Regular wiping with mild soap and water is usually sufficient.
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For stubborn stains or salt deposits, use a stainless steel cleaner or a diluted vinegar solution.
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Avoid abrasive pads or steel brushes that can damage the passive layer. Use non-metallic scouring pads if needed.
13. Can they be used in high-temperature applications?
Stainless steel has good high-temperature properties. However, the continuous service temperature limit for standard 304/316 is typically around 800°F - 870°F (427°C - 466°C). For higher temperatures, verify the grade's specific properties and consider potential thread galling.
14. What is thread galling, and how can I prevent it?
Galling is a form of wear where threads seize and tear due to friction and adhesion between stainless steel surfaces.
Prevention Tips:
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Use a different grade for the bolt and nut (e.g., 316 nut on a 304 bolt).
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Apply a lubricant or anti-seize compound (e.g., nickel-based) on threads before assembly.
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Start threads carefully and tighten slowly.
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Avoid over-torquing.
15. Where can I purchase stainless steel wing nuts?
They are available from:
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Industrial distributors (e.g., Fastenal, Grainger, McMaster-Carr)
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Specialty fastener suppliers
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Online marketplaces
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Directly from manufacturers
Please contact us with your detailed drawings, our well-trained serve 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.
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