Yes, standard steel wing nuts can rust. Using stainless steel, brass, or applying protective coatings can prevent rust.

Are wing nuts reusable?

Yes, they can be reused if not damaged. Check for wear, corrosion, or stripped threads before reuse.

How do I prevent wing nuts from loosening?

Tighten properly, use a lock washer or nylon insert nut, apply thread locker, or ensure the bolt is clean and free of dirt.

OEM Carbon Steel Galvanized Butterfly/Hand-Screwed Wing Nut

Name: OEM Carbon Steel Galvanized Butterfly/Hand-Screwed Wing Nut
Brand: Weifang Shengao Machinery Co., Ltd.
SKU: 694736212

Shandong, ChinaWeifang Shengao Machinery Co., Ltd.

US$0.50-2.00

200 Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

After-sales Service

Warranty

Model NO.

SA-YJLM

Application

Machine Parts, Transportation, Decorations, Hardware, Concrete Fitting

Certification

CCC, CE, ISO

Surface Treatment

Yes

Technics

Forged

Material

Steel

Type

Fasteners

Name

Wing Nut

Standard

ASME

Molding Style

Forging

Molding Technics

Pressure Casting

Heat Treatment

Quenching

Forging Tolerance

+/-0.2mm

Brand Name

Shengao, OEM

Raw Material

Steel

Techincs

Forging

Factory

Over 15 Years'experience

Certificate

SGS, CE, ISO 9001:2008

Delivery Time

15 Days After Receiving The Payment

Service

OEM and ODM

Export Markets

Global

OEM Package

Composite Wood Box

Transport Package

Plywood Box

Specification

SGS

Trademark

ShengAo

Origin

Weifang, Shangdong, China

HS Code

87089910

Production Capacity

50000PCS/Month

Key features

Custom Forging Services: OEM/ODM support with drawings or samples for tailored metal parts.

Wide Material Selection: Available in Carbon Steel, Stainless Steel, Alloy Steel, and more.

High Precision Tolerance: Forging tolerance of +/-0.2mm ensures dimensional accuracy.

Diverse Surface Treatments: Options include Galvanizing, Polishing, Painting, and Powder Coating.

Global Certifications: Certified by CE, ISO 9001:2008, CCC, and SGS for quality assurance.

Fast Delivery Time: Standard delivery within 15 days after receiving payment.

Small Order Friendly: Accepts small orders starting from 1 piece with factory direct pricing.

Comprehensive Quality Control: Includes raw material testing, in-process inspection, and final strength tests.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Weifang Shengao Machinery Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2010-04-06 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.31h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryWeifang Shengao Machinery Co., Ltd. is a limited company focused on mechanical parts, hardware, metal tools, CNC machine tools, and related components. It identifies as a professional technical supplier and offers 3D software design and broad customization services, including sample-, design-, full-, minor-, and flexible customization. The supplier has written procedures and records for service assessment, corrective actions, and complaint handling. Its export sales share is stated at 71%–90%, with three years of export experience. However, the supplier has nine employees, only two years of total R&D engineer experience, no new products in the past year, no ODM, SDK, or overseas service infrastructure, and no stated customer cases. Audit information is provided for a TUV Rheinland audit with a validity period from September 4, 2025 to September 3, 2026, but the evaluation result is recorded as 0 and no certification name is specified.

Supplier typeThe supplier explicitly identifies as a professional technical supplier and a limited company. Its stated business and product scope covers mechanical parts, hardware products, metal tools, CNC machine tools, functional components, forgings, and powder metallurgy products; the audit record identifies mechanical parts as the primary product.

After-Sales capabilityThe supplier has clear written procedures and followed records for corrective and preventive actions and for handling customer complaints. This directly supports an established service-response process, although the slices do not provide service performance results or response-time data.

Production capacityThe supplier reports an annual production output range, six to ten quality-control staff, on-time delivery, random production quality inspection, and its own factory. It has nine total employees, so the available evidence supports an operating production capability, while capacity beyond the stated output range cannot be determined.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also welcomes OEM and ODM requests according to its company description. These repeated statements provide direct evidence of broad customization coverage, although the separate record states that ODM is not available, creating a conflict on ODM specifically.