How do you control quality?

Our QC team inspects every production link, and 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 orders of any size and keep a variety of stock for quick production.

What is your delivery time?

If in stock, we can deliver within 15 days. Larger quantities may take 25-35 days.

How do you pack your products?

Our standard packing is 20-25kg per carton, with customized options available upon request.

What are your payment terms?

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

Flat Fasteners Hardened Washers ASTM F436

Name: Flat Fasteners Hardened Washers ASTM F436
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2114931255

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.

ASTM F436

Combination Washer Structure

A Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Standard

Packing

Cartons+Plastic Bags

Standard

DIN

Finish

Plain

Application

Industry

Surface Treatment

Hot DIP Galvanized

Transport Package

Carton+Pallet

Specification

M6-M100

Trademark

ningbo-bolt

Origin

Zhejiang, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

DIN Standard Compliance: Manufactured strictly according to DIN standards for universal compatibility.

Hot Dip Galvanized Finish: Provides superior corrosion resistance with a durable plain hot dip galvanized coating.

Lifetime Warranty Coverage: Covers all products with a lifetime warranty ensuring 100% qualification.

ISO9001 Quality Certified: Adheres to strict ISO9001 quality management system with comprehensive QC inspection.

OEM and ODM Services: Accepts full customization from samples, designs, and flexible minor customization options.

Fast Delivery for Stock Items: In-stock items can be delivered within 15 days for urgent needs.

Free Samples for New Clients: New customers receive free standard fastener samples (client covers express charges).

Flexible Order Acceptance: Accepts orders of any size with maintained stock for quick production turnaround.

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: ≤15h

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 measures 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 a Gold membership on *** and Made in China. You can place orders directly through *** with credit guarantees.

Q:What about your pricing?

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