What is your delivery time?

Standard parts take 7-15 days, and non-standard parts take 15-25 days, with delivery made as soon as possible with guaranteed quality.

How to custom-make (OEM/ODM)?

Send new product drawings or samples to us, and we will custom-make the hardware as required, providing professional advice to maximize performance.

Which mode of transport is better?

Generally, we advise delivery by sea due to heavy production weight, but we respect your views on other transportation methods as well.

Hot DIP Galvanized M12 M13 M15 Heavy Hexagon Bolt and Nut

Name: Hot DIP Galvanized M12 M13 M15 Heavy Hexagon Bolt and Nut
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 2081710975

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

US$0.10

2,000-2,999 Pieces

US$0.08

3,000-3,999 Pieces

US$0.06

4,000-4,999 Pieces

US$0.05

5,000-9,999 Pieces

US$0.03

10,000+ Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

Heavy Hex Bolt

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST, etc.

Grade

8.8

Application

Machinery, Chemical Industry, Environmental, Building, etc.

Finish

Color-Zinc Plated

Other Product Name

Hex Head Screw / Hh Bolt / Outer Hex Head Bolt

Dimensiong Standard

DIN 933 DIN931

Equivalent

En 1665

Thread

Full Thread/Half Thread

Diameters

M6 M8 M10 M12 M14 M16 M18 M20 M24 M26 M30 M36 etc

Length

Custom

Color

Blue

Measure System

Metric

Measure Unit

Quality

Good

Head Mark

G&T or OEM

Company Type

Factory / Direct Manufactory

Stock

Plenty

After-Sale Service

Available

Delivery Time

30 Days in Usual

Transport Package

Carton or Wooden Boxes

Specification

25mm*30mm*50mm

Trademark

G&T

Origin

China

HS Code

7318159001

Production Capacity

300000 Pieces/Month

Key features

Custom Length & Thread: Length is customizable; Full or half thread options available.

Wide Diameter Range: Diameters from M6 to M36+ available to meet specific requirements.

High Precision OEM: Strictly follows drawing tolerances for high-precision custom parts.

ISO9001 Quality Control: Strict quality control from production to delivery per ISO9001 standards.

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

Flexible Payment Terms: Supports T/T, L/C, D/A, D/P, Western Union, and PayPal.

Free Samples Available: Samples provided free of charge for quality verification.

20+ Years Experience: Over 20 years of expertise in fasteners and DIN/ASME standards.

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.

Product Q&A

Q:Why choose us?

We provide first-class services in supplying quality fasteners while minimizing costs, aiming to be your preferred partner with professional service and innovation.

Q:How is quality ensured?

All processes strictly adhere to ISO9001:2008 procedures with strict quality control from production to delivery, supported by experienced management and technology.

Q:What if I cannot find the product on your website?

You can send pictures, photos, or drawings via email for checking, or send samples by DHL/TNT for custom development of new models.

Q:Can you follow drawing tolerances for high precision?

Yes, we can strictly follow the tolerances on your drawings to provide high-precision parts made exactly as required.

Q:How should I order and make payment?

For samples, 100% payment with the order; for production, 30% deposit by T/T before production, and the balance before shipment.