How do you control quality?

Our QC team inspects every production link for each batch of goods. We provide MTC and mill certificates upon completion.

Do you provide free samples?

New customers can receive free samples for standard fasteners, with express charges covered by the client. Old customers receive free samples with express charges covered by us.

Do you accept small orders?

Yes, we accept any orders and keep stock of various fasteners. We can also produce fast in these products.

What is your delivery time?

If goods are in stock, we can deliver within 15 days. For larger quantities, delivery may take 25-35 days.

What is your packing method?

Our standard packing is 20-25kg per carton, with 36 or 48 cartons per pallet. Customized packaging with logos is also available.

What are your payment terms?

We accept T/T, L/C, and D/P for general orders, and Paypal and Western Union for small or sample orders.

Steel Wide Washer with Round Shape

Name: Steel Wide Washer with Round Shape
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2117328655

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Type

Flat Gasket

Material

Steel

Model NO.

DIN9021

Spring Washer Type

Standard

Packing

Pallets

Product Name

Round Washer

Standard

DIN

Finish

Plain

Application

Industry

Surface Treatment

Zincplated

Transport Package

Cartons+Plastic Bags

Specification

M20

Origin

Zhejiang, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

Lifetime Warranty Coverage: Covers all mechanical defects with free parts and labor for the machine's entire life.

ISO9001 Quality Management: Strict quality control processes ensure all products are 100% qualified.

OEM/ODM Services Available: Accepts custom orders based on samples, designs, or full customization.

Fast Delivery Options: In-stock goods delivered within 15 days; larger quantities take 25-35 days.

Free Samples for New Customers: Free standard fastener samples provided; client covers express charges.

Flexible Payment Terms: Accepts T/T, L/C, D/P, PayPal, and Western Union for various order sizes.

Customized Packaging: Standard 20-25kg cartons available with logo customization options.

Comprehensive Quality Inspection: QC team inspects every production link; MTC and mill certificates provided.

Company profile

High Repeat Buyers Choice

Ningbo Steel Bolt Co., Ltd

Zhejiang, China

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?

Ningbo Steel Bolt Co., Ltd is a manufacturer of fasteners with years of experience in producing Bolts, Nuts, Threaded Rods, and Washers in Ningbo, China.

Q:Do you provide OEM/ODM services?

Yes, Ningbo Steel Bolt Co., Ltd accepts OEM/ODM orders.

Q:How do you guarantee quality?

We have strict quality control processes in place, following the ISO9001 quality management system, to ensure all products are 100% qualified with a lifetime warranty.

Q:How can I trust you?

We are a reputable fasteners factory in China with many years of production experience. We are a Gold member of *** and Made in China, with credit guarantees from *** Group.

Q:What about your pricing?

We offer high-quality products at reasonable prices. Contact us for a quote.