Do you provide mill certificates?

Yes, Mill certificates and MTC are provided upon completion of goods.

What is the standard packaging?

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

What is the warranty period?

We provide a comprehensive lifetime warranty support for all our mechanical equipment.

Heavy-Duty Hex Bolts Industrial Strength Set

Name: Heavy-Duty Hex Bolts Industrial Strength Set
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2116095555

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Material

Steel

Standard

DIN

Model NO.

DIN6914 - 6915

Application

Machinery, Chemical Industry, Environmental, Building, Industry

Finish

Plain

Packing

Cartons+Plastic Bags

Head Type

Hexagon Flange Head

Surface Treatment

Black Oxide

Transport Package

Cartons+Plastic Bags

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.

OEM/ODM Services Available: Full customization options including from samples, designs, and flexible requirements.

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

Free Samples for New Customers: Standard fasteners available free of charge; client covers express shipping.

Fast Delivery for Stock Items: Stocked goods delivered within 15 days; larger quantities take 25-35 days.

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

Mill Certificates Provided: MTC documents included upon completion of goods for traceability.

DIN Standard Compliance: Manufactured to DIN6914-6915 standards for machinery and industrial applications.

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:Is OEM or ODM service available?

Yes, we offer full customization options including from samples, designs, and flexible requirements.

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 receive free samples of standard fasteners with express charges covered by the client. Old customers receive free samples with express charges covered by us.

Q:What payment terms do you accept?

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

Q:What is your quality guarantee?

We maintain strict quality control following the ISO9001 system, ensuring 100% qualified products with lifetime warranty support.