What payment methods do you accept?

We accept T/T, L/C, D/A, D/P, Western Union, and PayPal.

What are the common applications for these bolts?

They are widely used in structural steel, metal buildings, oil & gas, towers, wind energy, machinery, and automobiles.

How is the product packed?

Packed in bulk cartons (max 25kg) on wood pallets, or according to special customer demands.

Galvanized Grade 10.9 A325 A325m Hex Structural ASTM A490 A490m Dacromet Heavy Hex Bolt

Name: Galvanized Grade 10.9 A325 A325m Hex Structural ASTM A490 A490m Dacromet Heavy Hex Bolt
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 2056013735

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

US$0.05

1,000-9,999 Pieces

US$0.03

10,000-99,999 Pieces

US$0.01

100,000+ Pieces

Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

4.8 8.8 10.9 12.9 Grade 2 5 8 A325 A490 B7 etc.

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Plain, Black Oxide, HDG, Dacromet, PTFE. etc.

Transport Package

Plastic Bag+ Carton+Wood Pallet

Specification

M3-M100, 3/8"-6"

Trademark

G&T

Origin

Shanghai, China

Production Capacity

1000 Tons/Month

Key features

Wide Grade Range: Available in 4.8, 8.8, 10.9, 12.9, A325, A490 and more.

Multiple Finish Options: Plain, Black Oxide, HDG, Dacromet, PTFE, Zinc Plated, etc.

Extensive Size Coverage: Diameter 1/4'-6', M4-M150; Length up to 800mm or 30'.

OEM & ODM Service: Supports full customization from samples, designs, or minor adjustments.

High Supply Capacity: Supply ability of 1000 tons per month for large orders.

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

Free Samples Available: Provides free samples for quality verification before bulk order.

ISO9001 Certified: Manufacturing process certified under ISO9001:2015 management system.

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: ≤1.82h

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 materials are available for these bolts?

We offer Carbon Steel, Alloy Steel, Stainless Steel, and Brass.

Q:What is the minimum order quantity?

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

Q:Can you customize bolts based on drawings?

Yes, we support OEM/ODM services including customization from samples, designs, and full customization. Please provide drawings or photos for special products.

Q:What is the lead time for production?

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

Q:What standards do your bolts comply with?

Our bolts comply with DIN, ANSI, GB, JIS, BSW, GOST, ASTM A325/A490, ASME/ANSI B 18.2.1, and other international standards.