What surface finishes are available?

Options include Plain, Black Oxide, Zinc Plated (Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome, PTFE, Dacromet, Geomet, and Magni.

Do you provide samples?

Yes, samples are available for free. You can also send us samples by DHL/TNT for model development.

What is the minimum order quantity?

The minimum order quantity is 1 Pc, according to customer demand.

ASTM A325m Bolts Nuts Washers Fastener Bulloneria 8s Heavy Hex A325 Structural Bolt

Name: ASTM A325m Bolts Nuts Washers Fastener Bulloneria 8s Heavy Hex A325 Structural Bolt
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 913144945

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

A325 A325m

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Color-Zinc Plated

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

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

Extensive Finish Options: Includes Zinc Plated, Black Oxide, H.D.G, Nickel, Chrome, and Dacromet.

High Precision Customization: Strictly follows drawing tolerances for high-precision non-standard parts.

ISO9001 Quality Control: Strict quality control from production to delivery adhering to ISO9001:2008.

Flexible OEM/ODM Service: Custom manufacturing available via drawings, photos, or physical samples.

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

Comprehensive Testing: Equipped with salt spray, hardness, tensile, and spectrometer testing facilities.

Global Market Experience: Over 10 years experience serving North America, Europe, and Asia markets.

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: ≤1.50h

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.