Can you provide mill certificates?

Yes, mill certificates and MTC can be provided upon completion of each production batch.

What are the packaging options?

Standard packaging includes 20-25kg cartons on pallets. Customized packaging with logos is available upon request.

What is your warranty policy?

We provide lifetime warranty support for all our products, ensuring coverage for mechanical defects.

Heavy-Duty Steel Locking Washers for Industrial Use

Name: Heavy-Duty Steel Locking Washers for Industrial Use
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2118843645

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Type

Standard

Material

Steel

Model NO.

DIN127B

Packing

Pallets

Standard

DIN

Finish

Plain

Application

Industry

Origin

Zhejiang, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

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

ISO9001 Certified Quality: Strict quality control from raw materials to finished products ensuring 100% qualified items.

OEM/ODM Services Available: Accepts customization from samples, designs, and offers flexible minor customization options.

Fast Delivery for Stock Items: Stocked goods can be delivered within 15 days for urgent industrial needs.

Free Samples for New Clients: New customers receive free standard fastener samples with express charges covered by client.

Comprehensive Payment Options: Accepts T/T, L/C, D/P, Paypal, and Western Union for various order sizes.

Mill Certificates Provided: MTC and mill certificates available upon completion of each production batch.

Customized Packaging Available: Standard 20-25kg cartons on pallets with optional logo printing upon request.

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 OEM and ODM services available?

Yes, we accept OEM/ODM services including customization from samples, designs, and flexible minor customization.

Q:What is the delivery time for stock items?

Stocked goods can be delivered within 15 days, while larger quantities may take 25-35 days.

Q:Do you provide free samples?

New customers may receive free samples for standard fasteners with express charges covered by the client. Old customers receive free samples with express charges covered by the company.

Q:What payment methods do you accept?

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

Q:Is there a quality guarantee?

Yes, we maintain strict quality control following the ISO9001 system and provide lifetime warranty support with 100% qualified products.