What is your delivery time?

Standard parts take 7-15 days. Non-standard parts take 15-25 days. We ensure delivery as soon as possible with guaranteed quality.

How to custom-make (OEM/ODM)?

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

Which mode of transport is better?

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

Hot DIP Galvanized ASTM A325 Hex Head Bolt and Nut Washer

Name: Hot DIP Galvanized ASTM A325 Hex Head Bolt and Nut Washer
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 2081745415

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

Customizable Dimensions: Length is fully customizable; diameters range from M6 to M36+.

High Precision OEM/ODM: Strictly follows drawing tolerances; supports custom samples and designs.

ISO9001 Quality Control: Strict quality control from production to delivery adhering to ISO9001:2008.

Wide Standard Coverage: Meets DIN, ANSI, GB, JIS, BSW, GOST, EN, and ISO standards.

Competitive Pricing: Factory direct supply with competitive prices and one-stop shopping.

Fast Delivery: Standard parts: 7-15 days; Non-standard parts: 15-25 days.

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

Free Samples Available: Provides free samples for quality verification 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.

Product Q&A

Q:Why choose us?

We provide first-class services in supplying quality fasteners while minimizing costs. Our mission includes professional customer service, technological innovation, and offering reasonable quality and price.

Q:How is quality ensured?

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

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

You can send pictures, photos, or drawings via email for us to check. We also accept samples sent by DHL/TNT to develop new models specifically for you.

Q:Can you strictly follow tolerances on drawings?

Yes, we can provide high-precision parts and manufacture them exactly according to your drawings.

Q:How should I order and make payment?

Payment is by T/T. For samples, it is 100% with the order. For production, a 30% deposit is paid before production, and the balance is paid before shipment.