What finishes are available for the bolts?

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

What is the minimum order quantity?

The minimum order is 500KG or according to customer demand, with a general MOQ of 1 Pc for some items.

How should I order if I cannot find the product on your website?

You can send pictures, photos, or drawings by email, or send samples via DHL/TNT, and we will develop the new model for you.

Galvanized Finish Grade 5 Flange Hex Bolt with Serration with Nut 3/8 X 3"

Name: Galvanized Finish Grade 5 Flange Hex Bolt with Serration with Nut 3/8 X 3"
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 1968265842

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

US$1.00

10-999 Pieces

US$0.10

1,000-9,999 Pieces

US$0.01

10,000+ Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head With Flange

Model NO.

DIN 6921/ GB 5789/GB 5787

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

4.8, 8.8, 10.9, 12.9;

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Color-Zinc Plated

Transport Package

Plastic Bag+ Carton+Wood Pallet

Specification

M3-M100, 1/4-2"

Trademark

G&T

Origin

Shanghai, China

HS Code

7318159001

Production Capacity

500 Tons/Month

Key features

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

Multiple Finish Options: Offers Plain, Black Oxide, Zinc Plated, H.D.G, Nickel, Chrome, PTFE, and Dacromet finishes.

High Precision Customization: Strictly follows drawing tolerances to provide high-precision custom-made hardware parts.

Flexible OEM/ODM Service: Supports full customization from samples or designs, including minor and flexible customization.

Strict Quality Control: Processes adhere to ISO9001:2008/2015 procedures with strict control from production to delivery.

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

Competitive Pricing: Provides high-quality fasteners at reasonable prices with one-stop shopping convenience.

Extensive Application Scope: Suitable for Machinery, Chemical Industry, Building, Oil & Gas, Wind Energy, and Automobile.

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.