What is your delivery time?

Standard parts take 7-15 days, and non-standard parts take 15-25 days. We ensure delivery as soon as possible while guaranteeing quality.

How do you handle custom-made (OEM/ODM) orders?

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

Which mode of transport is better?

Since production items are generally heavy, we advise delivery by sea. However, we respect your views on other transportation methods as well.

ASTM ANSI A193 A325 A490 B7 B7m Black Oxide Heavy Full Half Thread Hex Head Bolt

Name: ASTM ANSI A193 A325 A490 B7 B7m Black Oxide Heavy Full Half Thread Hex Head Bolt
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 2057701355

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

US$0.01-0.10

1,000 Pieces

Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Model NO.

ASTM

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI

Grade

304 316 SS304 SS316 A2-70 A4-80 B8 B8m

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Plain PTFE

Surface

HDG, Black, Zinc Plated, PTFE

Length

30mm to 500mm

Diameter

M3-M100, 1/2" - 4"

MOQ

Transport Package

Plastic Bag+ Carton+Wood Pallet

Specification

M3-M100

Trademark

G&T

Origin

Shanghai, China

Production Capacity

500 Tons/Month

Key features

Extensive Customization: Customizable surface, length (30mm-500mm), and diameter (M3-M100) to meet specific requirements.

High Precision Manufacturing: Capable of strictly following drawing tolerances to provide high-precision parts and custom models.

Wide Material Selection: Available in Carbon Steel, Alloy Steel, Stainless Steel (304/316), and Brass with various grades.

Multiple Surface Finishes: Options include Black Oxide, Zinc Plated, HDG, Nickel, Chrome, PTFE, and Dacromet.

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

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

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

Free Samples Available: Customers can request free samples to verify quality before placing large orders.

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: ≤1.60h

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 should I choose your company?

We provide first-class service, minimize costs, and offer professional customer service with technological innovation. We aim to be your preferred fastener supplier and provide market sales suggestions.

Q:How is product quality ensured?

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

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

You can send pictures, photos, or drawings by email for us to check. We develop new models every month. Alternatively, you can send samples via DHL/TNT, and we will develop a new model specifically for you.

Q:Can you strictly follow the tolerance on the drawing and meet high precision?

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

Q:How should I order and make payment?

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