What certifications do you have?

We hold ISO9001:2015 certification and can provide MTC certificates.

What payment terms do you accept?

We accept T/T, L/C, D/A, D/P, Western Union, and PayPal.

What is your supply ability?

We have a supply ability of 1000 tons per month.

M4 M5 M6 M8 Blue Zinc Plated Carbon Steel Iron Custom Square Hex Head Bolt

Name: M4 M5 M6 M8 Blue Zinc Plated Carbon Steel Iron Custom Square Hex Head Bolt
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 908416875

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

US$0.10

1,000-9,999 Pieces

US$0.05

10,000-99,999 Pieces

US$0.01

100,000+ Pieces

Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

Square Hex Head Bolt

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

4.8 8.8 10.9 12.9 Grade 2 5 8 A325 A490 B7 etc.

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Plain, Black Oxide, HDG, Dacromet, PTFE. etc.

Certificate

ISO9001/Ts16949/Mtc

Lead Time

in Stock or About 35 Days of Production Time.

Sample

Available for Test

Supply Ability

500 Ton/Tons Per Month

Transport Package

Plastic Bag+ Carton+Wood Pallet

Specification

M3-M100, 3/8"-6"

Trademark

G&T

Origin

Shanghai, China

Production Capacity

500 Tons/Month

Key features

Wide Material & Grade Range: Carbon steel, alloy steel, stainless steel, brass with grades 4.8 to 12.9.

Extensive Surface Finish Options: Zinc plated, black oxide, HDG, Dacromet, PTFE, and more available.

Flexible Customization Service: OEM/ODM supported with full customization from samples or designs.

High Supply Capacity: Supply ability of 1000 tons per month ensures timely delivery.

Comprehensive Quality Control: Equipped with salt spray tester, hardness tester, and spectrometer.

Multiple Standard Compliance: Meets DIN, ANSI, ASME, ISO, JIS, and other international standards.

Low Minimum Order Quantity: MOQ starts from just 1 piece to accommodate small batch needs.

Experienced Professional Team: Over 10 years experience in fasteners with 2 dedicated R&D engineers.

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.