Are free samples available?

Yes, we provide free samples for customers to verify quality and specifications before placing a bulk order.

What standards do your bolts comply with?

Our bolts comply with major international standards including ASME/ANSI B 18.2.1, IFI149, DIN931, DIN933, DIN558, DIN601, DIN960, DIN961, ISO4014, and ISO4017.

What applications are these bolts suitable for?

They are widely used in structural steel, metal buildings, oil & gas, towers & poles, wind energy, mechanical machines, automobiles, and home decoration equipment.

Geomet HDG ASME B18.2.6 ASTM A325 A449 A490 Heavy Hex Structural Bolt

Name: Geomet HDG ASME B18.2.6 ASTM A325 A449 A490 Heavy Hex Structural Bolt
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 2092736255

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

US$0.03

5,000-9,999 Pieces

US$0.02

10,000-49,999 Pieces

US$0.01

50,000+ Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

A490

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

Extensive Customization: Customizable surface, length, and diameter with flexible options from samples or designs.

Wide Material Range: Available in Carbon Steel, Alloy Steel, Stainless Steel, and Brass with various grades.

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

High Supply Capacity: Capable of supplying 1000 tons per month to meet large-scale project demands.

Flexible MOQ: Minimum Order Quantity is just 1 piece, accommodating small trial orders.

Comprehensive Standards: Complies with ASME, ANSI, DIN, ISO, and ASTM standards for global compatibility.

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

Professional Support: Over 10 years experience with technical support and material test reports.

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 customization options are available?

We offer full customization including surface finish (HDG, Black, Zinc Plated, PTFE), length (30mm to 500mm), and diameter (M3-M100). Customization is available from samples, designs, or minor adjustments.

Q:What materials and grades are supported?

Materials include Carbon Steel, Alloy Steel, Stainless Steel, and Brass. Grades range from SAE J429 Gr.2, 5, 8 to ASTM A307, 4.8, 5.8, 6.8, 8.8, 10.9, 12.9, and stainless grades A2-70, A4-70, A4-80.

Q:What is the minimum order quantity (MOQ)?

The MOQ is very flexible, with a minimum of just 1 piece. We accommodate both small trial orders and large bulk purchases.

Q:What are the payment terms?

We accept T/T, L/C, D/A, D/P, Western Union, and PayPal. Trade terms include FOB, CIF, CFR, CNF, EXW, DDU, and DDP.

Q:What is the lead time for production?

The average lead time is within 15 workdays for both peak and off-peak seasons. Supply ability is up to 1000 tons per month.