Do you provide quality certificates?

Yes, every production link is inspected, and Mill certificates (MTC) are provided upon completion.

What is the minimum order quantity?

We welcome all orders with ample stock available for various fasteners and quick production capabilities.

What is your main product range?

We specialize in manufacturing Bolts, Nuts, Threaded Rods, and Washers.

Industrial SAE J429 Hex Bolts

Name: Industrial SAE J429 Hex Bolts
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2119751425

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Material

Steel

Type

Hexagon Head

Model NO.

SAE J429

Connection

Common Bolt

Head Style

Hexagonal

Standard

SAE

Grade

Grade 2, 5, 8

Application

Machinery, Chemical Industry, Environmental, Building, Industry

Finish

Plain

Packing

Cartons+Plastic Bags

Head Type

Hexagon Head

Surface Treatment

Black Oxide

Transport Package

Carton+Pallet

Specification

M6-M100

Trademark

ningbo-bolt

Origin

Zhejiang, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

OEM/ODM Services: Full customization, minor customization, and flexible customization available from samples or designs.

Lifetime Warranty: Comprehensive lifetime warranty support for all mechanical defects with strict quality control.

ISO9001 Certified: Manufacturing follows ISO9001 quality management system ensuring 100% qualified products.

Free Samples: Free samples available for new customers (client pays express) and existing customers (company pays).

Fast Delivery: Stocked items delivered within 15 days; larger quantities take 25-35 days.

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

Competitive Pricing: High-quality fasteners offered at competitive market prices with credit guarantee.

Mill Certificates: Mill certificates and MTC provided upon completion for every production link.

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 OEM/ODM services including full customization, minor customization, and flexible customization from samples or designs.

Q:What is the warranty period?

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

Q:Can I get free samples?

New customers receive free samples for standard fasteners (client covers express charges), while existing customers receive free samples with company-paid express charges.

Q:What are the delivery times?

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

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.