Is there a minimum order quantity (MOQ)?

We accept orders of any size. We keep stock of various fasteners to accommodate small orders as well.

What certifications do you provide?

Our QC team inspects every production link and provides MTC (Mill Test Certificate) and mill certificates upon completion.

What is the packaging standard?

Standard packaging is 20-25kg per carton. We also offer customization based on specific customer requirements.

Heavy Duty Stud Bolts with Nuts

Name: Heavy Duty Stud Bolts with Nuts
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2116889665

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Material

Steel

Surface Finishing

Black

Model NO.

ASTM A193

Packing

Cartons+Plastic Bags

Studs Type

Metric Studs B1=1.25D

Finish

Zinc

Application

Industry

Customized Support

OEM

Surface Treatment

Zinc Plated

Transport Package

Cartons+Plastic Bags

Origin

China

Production Capacity

100000 Piece/Pieces Per Month

Key features

Lifetime Warranty Support: Strict ISO9001 quality control ensures 100% qualified products with lifetime warranty coverage.

OEM/ODM Customization: Full customization support including samples, designs, and flexible minor adjustments.

Fast Delivery Options: Stocked items ship within 15 days; bulk orders take 25-35 days.

Free Sample Policy: New customers get free standard fastener samples (client pays shipping); old customers get free shipping.

Flexible Payment Terms: Accepts T/T, L/C, D/P for general orders and PayPal/Western Union for small or sample orders.

Certified Quality Control: Comprehensive inspection with MTC and mill certificates provided upon completion.

Reputable Manufacturer: Established in 2017 with Gold member status and credit guarantees on major platforms.

Small Order Acceptance: We accept orders of any size and maintain stock of various fasteners for quick fulfillment.

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: >24h

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:What is the warranty period for these bolts?

We provide lifetime warranty support for all our products, backed by strict ISO9001 quality control processes.

Q:Do you accept OEM or ODM orders?

Yes, we accept OEM/ODM services. We offer full customization from samples, designs, and flexible minor adjustments.

Q:What is the lead time for delivery?

Stocked goods can be delivered within 15 days. For larger quantities, the lead time is typically 25-35 days.

Q:Can I get free samples?

Yes. New customers receive free samples for standard fasteners (client covers express charges). Old customers receive free samples with express charges covered by us.

Q:What payment methods do you accept?

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