Can you provide free samples?

Yes, free samples are available for customers to verify quality and specifications before placing bulk orders.

What standards do your bolts comply with?

Our bolts comply with major international standards including DIN, ANSI, ASME, ISO, and IFI specifications.

What packaging methods are used?

Standard packing is bulk in cartons (max 25kg) on wood pallets, but we can accommodate special customer demands.

Customized Steel 10.9 Black Oxide A325 High Strength Hex Bolts

Name: Customized Steel 10.9 Black Oxide A325 High Strength Hex Bolts
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 2060247295

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

US$0.01-0.10

1,000 Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

ASTM

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 Customization Range: Customizable surface, length (30-500mm), and diameter (M3-M100) based on samples or designs.

Multiple Material Options: Available in Carbon Steel, Alloy Steel, Stainless Steel, and Brass with various grades.

Extensive Finish Choices: Options include Black Oxide, Zinc Plated, HDG, Nickel, Chrome, PTFE, and Dacromet.

Comprehensive Standards: Meets DIN, ANSI, ASME, ISO, and IFI standards for global compliance.

Flexible MOQ: Minimum order quantity is 1 piece, supporting small batch testing.

Fast Delivery: Average lead time within 15 workdays for both peak and off-season periods.

Free Samples: Free samples available for quality verification before bulk orders.

Professional Support: Over 10 years experience with technical support and supply 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: ≤1.80h

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 from samples or designs, including minor and flexible customization. Surface, length (30mm-500mm), and diameter (M3-M100) can be tailored.

Q:What materials and grades are supported?

Materials include Carbon Steel, Alloy Steel, Stainless Steel, and Brass. Grades range from 4.8 to 12.9, including A325, A490, and various ISO/ASTM classes.

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

The MOQ is 1 piece, allowing for small batch orders and sample testing without high barriers.

Q:What are the lead times for production?

The average lead time is within 15 workdays, applicable to both peak season and off-season periods.

Q:What payment terms are accepted?

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