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3/4in Flat Stainless Steel Spring Washer Spring Lock Washers
US$0.10-1.00
1,000 Pieces
Product profile
Customization
AvailableType
Spring WasherMaterial
SteelModel NO.
ASME B18.21.1Spring Washer Type
StandardPacking
Cartons+Plastic BagsStandard
DINFinish
PlainApplication
IndustrySurface Treatment
Hot DIP GalvanizedTransport Package
Cartons+Plastic BagsSpecification
M20Origin
Zhejiang, ChinaProduction Capacity
100000 Piece/Pieces Per MonthKey features
DIN Standard Compliance: Manufactured according to ASME B18.21.1 and DIN standards for industry applications.
Hot Dip Galvanized Finish: Surface treated with hot dip galvanized coating for enhanced corrosion resistance.
OEM and ODM Services: Full customization available including custom logos and carton designs based on client requests.
ISO9001 Quality System: Strict quality control from raw materials to finished products ensuring 100% qualified goods.
Lifetime Warranty: All products are guaranteed with a lifetime warranty against defects.
Free Samples for New Clients: Free standard fastener samples provided for new customers (client pays express charges).
Flexible Order Acceptance: Accepts small orders and maintains stock for various bolts, nuts, and washers.
MTC and Mill Certificate: Material Test Certificates provided upon completion of goods production.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤18h
AI-Powered supplier vetting
SummaryThe supplier is identified as a professional technical supplier and operates as a combined company involved in producing and selling fasteners, hardware products, auto parts, and oil pipeline fittings. It supports extensive product customization, including samples, designs, full customization, minor customization, and flexible customization. The supplier reports two production lines and one presence in a main export market, with an average lead time of one month in both peak and off-season periods. However, it lacks 3D software design services, SDK availability, in-stock capacity, overseas warehouses, overseas agents or branches, and offline trade-show participation. Finished products are checked by packing staff, while no written procedures or records are used for assessing service capability. The provided information does not establish certifications, financial strength, after-sales performance, or customer case history.
Supplier typeThe supplier is explicitly identified as a professional technical supplier. It is a combined company whose stated business scope includes production and sales of fasteners, hardware products, auto parts, and oil pipeline fittings, as well as related import and export activities.
R&D capabilityThe supplier is identified as having professional technical research and development capability, and it offers multiple forms of customization. However, it explicitly does not provide 3D software design services and has no available SDK, so the evidence supports technical customization but not broader digital or software innovation capability.
Production capacityThe supplier reports two production lines, one-month average lead times in both peak and off-season, and six years of exporting experience. Countervailing controls are limited: finished products are checked by packing staff, there is no continuous quantity reconciliation for each batch or production run, no outsourcing SOP, no valid manufacturing-capacity contract with related subcontractors, and no in-stock capacity.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad product-design and modification capability, although 3D software design services are not available.
Product Q&A
Q:Are you a manufacturer or trading company?
A:
The Ningbo Steel Bolt Co., Ltd is a manufacturer of fasteners factory with many years of experience in Bolts, Nuts, Threaded Rods and Washers in Ningbo, China.
Q:Are OEM/ODM services provided?
A:
Yes, the Ningbo Bolt accepts OEM/ODM services.
Q:How to guarantee quality?
A:
We have strict quality control from raw materials to finished products according to the ISO9001 quality management system. We guarantee all products 100% qualified and support lifetime warranty.
Q:How do you let me trust you?
A:
The Ningbo Steel Bolt Co., Ltd is a fasteners factory in China with many years of production experience. We are a Gold member of Made in China and have credit guarantee from Made in China.
Q:How about your price?
A:
High quality products with reasonable price. Please give us an inquiry, the Ningbo Bolt will quote you a price for your reference at once.
Send Inquiry
*To:
Ningbo Steel Bolt Co., Ltd
Ningbo Steel Bolt Co., Ltd*Content:
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