What is your delivery time?

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

How to custom-made (OEM/ODM)?

Send us a new product drawing or sample, and we can custom-make the hardware as required with professional design advice.

Which mode of transport would be better?

In general, we advise delivery by sea due to heavy production, but we respect your views on other transportation.

8 Serrated Hexagon Flange Head Bolt Full Thread Grade 5 Flange Bolt

Name: 1/4-20*3/8 Serrated Hexagon Flange Head Bolt Full Thread Grade 5 Flange Bolt
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 1988532632

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.

Comprehensive 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 parts.

Flexible OEM/ODM Service: Accepts drawings, photos, and samples to develop new models and custom hardware.

ISO 9001 Quality Assurance: All processes strictly adhere to ISO9001:2008 procedures with strict quality control.

Fast Delivery for Standard Parts: Standard parts delivered within 7-15 days; non-standard parts within 15-25 days.

High Monthly Supply Capacity: Supply ability of 1500 tons per month to meet large volume demands.

Free Samples Available: Samples provided free of charge for product evaluation and testing.

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: ≤1.71h

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.