What is your delivery time?

Standard parts take 7-15 days. Non-standard parts take 15-25 days. We make delivery as soon as possible with guaranteed quality.

How to custom-made (OEM/ODM)?

Send us a new product drawing or sample, and we can custom-make the hardware as required. We also provide professional advice to maximize performance.

Which mode of transport would be better?

Generally, we advise sea delivery as production is heavy. However, we respect your views on other transportation methods as well.

ASTM A325 Hex Head Heavy Structural Bolt

Name: ASTM A325 Hex Head Heavy Structural Bolt
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 909300975

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

US$0.01-0.20

500 Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN

Grade

8.8

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Black

Length

<800mm or 30"

Transport Package

Plastic Bag+ Carton+Wood Pallet

Specification

M4-M64

Trademark

G&T

Origin

Shanghai, China

Production Capacity

500 Tons/Month

Key features

Comprehensive Standard Coverage: Meets ASME, ANSI, DIN, ISO, and ASTM standards for global compliance.

Wide Material Selection: Available in Carbon Steel, Alloy Steel, Stainless Steel, and Brass.

Extensive Finish Options: Offers Plain, Black Oxide, Zinc Plated, HDG, Nickel, Chrome, and more.

Flexible Customization: Custom lengths up to 800mm and full OEM/ODM services from drawings.

High Precision Manufacturing: Capable of strictly following drawing tolerances for high precision parts.

Fast Delivery for Standard Parts: Standard parts delivered within 7-15 days; non-standard within 15-25 days.

ISO 9001 Quality Assurance: Strict quality control processes adhering to ISO9001:2008 procedures.

Free Samples Available: Samples provided free of charge for new model development and testing.

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: ≤1.66h

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:Why choose us?

We provide first-class services in the supply of quality fasteners minimizing costs. Our vision is to build successful relations with partners, and our mission is professional customer service and innovation in technology.

Q:How is quality ensured?

All processes strictly adhere to ISO9001:2008 procedures. We have strict quality control from producing to delivery and strong technology support with experienced managers.

Q:What if I cannot find the product on your website?

You can send pictures, photos, or drawings via email for us to check. Alternatively, send samples by DHL/TNT, and we will develop a new model especially for you.

Q:Can you strictly follow the tolerance on the drawing and meet high precision?

Yes, we can. We provide high precision parts and make the parts exactly as your drawing.

Q:How should I order and make payment?

For samples, 100% payment with the order. For production, 30% deposit by T/T before arrangement, and the balance paid before shipment.