What is the lead time for delivery?

The average lead time is within 15 workdays for both peak and off-peak seasons.

Do you offer free samples?

Yes, we provide free samples for customers to evaluate the quality and specifications before placing a large order.

What payment terms do you accept?

We accept T/T, L/C, D/A, D/P, Western Union, PayPal, and other small-amount payment methods.

Hot DIP Galvanized A325 A490 En 14399 Hex Heavy Duty Bolt

Name: Hot DIP Galvanized A325 A490 En 14399 Hex Heavy Duty Bolt
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 2098443045

Shanghai, ChinaShanghai G&T Industry Co., Ltd.

US$0.01-0.10

1,000 Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

heavy hex structural bolt

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI

Grade

4.8 8.8 10.9 Gr2 5 8 A325 A490

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Hot Galvanizing

Surface

HDG, Black, Zinc Plated, PTFE

Length

30mm to 500mm

Diameter

M3-M100, 1/2" - 4"

MOQ

Transport Package

Plastic Bag+ Carton+Wood Pallet

Specification

M3-M100, 1/2" - 4"

Trademark

G&T

Origin

Shanghai, China

Production Capacity

500 Tons/Month

Key features

Wide Grade Range: Available in grades 4.8, 8.8, 10.9, A325, A490, and more.

Extensive Size Options: Diameter from M3 to 100mm; Length up to 800mm or 30 feet.

Multiple Finish Types: Hot Galvanizing, Zinc Plated, Black Oxide, PTFE, and Nickel.

Global Standard Compliance: Meets DIN, ANSI, ASME, ASTM, and ISO standards.

Flexible Customization: Full customization available from samples or designs.

Low Minimum Order: Accepts orders as small as 1 piece.

Fast Delivery: Lead time within 15 workdays for both peak and off-peak seasons.

Free Samples: Samples provided free of charge upon request.

Company profile

Years of Export ExperienceHigh Repeat Buyers ChoiceFast DeliveryManagement Certification

Shanghai G&T Industry Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.63h

AI-Powered supplier vetting

SummaryShanghai G&T Industry Co., Ltd. is identified as a limited trading company offering bolts, nuts, threaded rods, stud bolts, and customized fasteners. The supplier reports broad customization, ODM capability, new products launched during the past year, and OEM service for well-known brands. Stated annual productivity includes 6,000 tons of thread rods, 5,000 tons of bolts, 5,000 tons of nuts, 3,000 tons of washers, and 3,000 tons of stud bolts. Service procedures include documented supplier assessment, corrective and preventive actions, and customer complaint handling, with lead times within 15 workdays in both peak and off-season. However, the supplier has no overseas agents or branches, overseas warehouse, showroom, or inventory capability. Raw-material traceability, quality assurance status, outsourcing controls, and contract status are unknown. An audit by TUV Rheinland is recorded, but the audit type and evaluation result are not sufficiently interpretable from the provided values.

Supplier typeThe supplier is a limited company classified as a trading company, with a stated business scope covering metal materials, hardware, machinery, and related products. Its offered products are bolts, nuts, threaded rods, stud bolts, and customized fasteners, and it is not identified as part of a larger company group.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaint handling. It has no overseas agents or branches, overseas warehouse, showroom, or in-stock service capability, which limits local and immediate after-sales support.

R&D capabilityThe supplier reports new products during the past year, ODM service, and multiple design-based customization options. It does not have an available SDK, but the available evidence supports product development and design capability.

Production capacityReported annual productivity is 6,000 tons of thread rods, 5,000 tons each of bolts and nuts, and 3,000 tons each of washers and stud bolts. Lead time is stated as within 15 workdays in both peak and off-season; however, the supplier also reports no inventory capability, while outsourcing procedures and manufacturing-capacity contracts remain unknown.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its product scope also expressly includes customized fasteners, and it reports ODM capability.

Product Q&A

Q:What grades are available for these bolts?

We offer a wide range of grades including 4.8, 5.8, 6.8, 8.8, 10.9, 12.9, A325, A490, and various stainless steel grades like A2-70 and A4-70.

Q:What is the minimum order quantity?

The minimum order quantity is 1 piece, allowing for flexible purchasing based on customer demand.

Q:Can you customize the bolts?

Yes, we offer full customization, minor customization, and flexible customization options based on your samples or designs.

Q:What are the available sizes?

Diameters range from M3 to 100mm (1/2" to 4"), and lengths can go up to 800mm or 30 feet depending on the specific requirements.

Q:What finishes are available?

We provide various finishes including Hot Dip Galvanizing (HDG), Zinc Plated (Clear/Blue/Yellow/Black), Black Oxide, PTFE, Nickel, Chrome, and Dacromet.