Are free samples available?

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.

What certifications do you provide?

We provide MTC and mill certificates upon completion, following the ISO9001 quality management system.

ASTM A193 Black Stud Bolt Set

Name: ASTM A193 Black Stud Bolt Set
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2112748155

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Material

Steel

Surface Finishing

Zinc Plated

Model NO.

ASTM A193

Product Name

Thread Stud Bolt

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: Guarantees 100% qualified products with lifetime warranty coverage.

ISO9001 Quality Control: Strict QC processes from raw materials to finished products.

OEM/ODM Support: Accepts OEM and ODM services for customized fastener needs.

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

Free Sample Policy: Free standard samples for new customers; client covers express.

Certified Quality: Provides MTC and mill certificates upon completion of orders.

Flexible Payment Terms: Accepts T/T, L/C, D/P, PayPal, and Western Union.

Custom Packaging: Standard 20-25kg/carton packaging with logo customization available.

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: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:What is the warranty period?

We guarantee 100% qualified products and offer lifetime warranty support.

Q:Do you accept OEM or ODM orders?

Yes, we accept OEM/ODM services and can produce fasteners according to specific requirements.

Q:What is the delivery time for orders?

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

Q:What are the payment terms?

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