Do you offer free samples?

Yes, sample service is all free.

What materials are available?

We offer Stainless Steel (SS201, SS304, etc.), Steel (C45, C20), and Carbon Steel (1010, 1045, etc.).

Custom Private Label Custom Non-Standard M8 25mm Black Oxide Hex Head Flange Bolt Fastener

Name: Custom Private Label Custom Non-Standard M8 25mm Black Oxide Hex Head Flange Bolt Fastener
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 2064456662

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

US$0.03

100-999 Pieces

US$0.02

1,000-9,999 Pieces

US$0.01

10,000+ Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

din 6921

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

10.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Blue-White Zinc Plated

Product Name

Heavy Hex Bolt

Surface Treatment

Plain/Black Oxide/Galvanized/HDG/Dacromet/Geomet.

Class

Class 4 8 10

Sample

Available

OEM

Acceptable

MOQ

One Piece

Delivery

Quick Delivery

Thread

Unc, Unf, Uef, Un, Uns

Application Industry

House Building ; Bridge Construction

Field of Employment

Ocean Engineering ; Petroleum ; Natural Gas

Surface Characteristic

Anti-Corrosion

Transport Package

Box Pallet

Specification

din931 din933 ASME B 18.2.1

Trademark

Origin

China

HS Code

7318150000

Production Capacity

10000000pieces/Year

Key features

Custom Private Label: Accepts OEM/ODM with full customization from samples or designs.

High Precision Parts: Strictly follows drawing tolerances for high-precision hardware.

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

Quality Assurance: ISO9001 certified with strict QC from production to delivery.

Low MOQ: Minimum Order Quantity is just one piece.

Free Samples: Sample service is provided free of charge.

Multiple Standards: Complies with DIN, ANSI, GB, JIS, BSW, and GOST standards.

Fast Delivery: Standard parts ship in 7-15 days; non-standard in 15-25 days.

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: ≤1.86h

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 is the minimum order quantity?

The minimum order quantity is one piece.

Q:Can you provide custom-made parts?

Yes, we accept OEM/ODM. You can send drawings or samples, and we will custom-make the hardware according to your requirements.

Q:How is quality ensured?

All processes strictly adhere to ISO9001:2008 procedures with strict quality control from production to delivery.

Q:What are the payment terms?

We accept T/T, L/C, and others. For samples, 100% payment is required; for production, a 30% deposit is needed, with the balance paid before shipment.

Q:What is the delivery time?

Standard parts take 7-15 days, while non-standard parts take 15-25 days.