What materials are used for these bolts?

We use Carbon Steel, Alloy Steel, Stainless Steel, and Brass, depending on the specific grade and application requirements.

What surface finishes are available?

Options include Plain, Black Oxide, Zinc Plated (Clear/Blue/Yellow/Black), Hot Dipped Galvanized (HDG), Nickel, Chrome, PTFE, and Dacromet.

What is the minimum order quantity?

The minimum order quantity is 1 piece, allowing for flexible ordering based on customer demand.

8.8 10.9 12.9 Grade High Strength Square Head Bolt M10 M12 M14

Name: 8.8 10.9 12.9 Grade High Strength Square Head Bolt M10 M12 M14
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 915992915

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

US$1.00

100-9,999 Pieces

US$0.10

10,000-49,999 Pieces

US$0.01

50,000+ Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Square Head

Connection

Common Bolt

Head Style

Square

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

Grade 2, 5, 8.

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Black, Plain, Zinc Plated, HDG, PTFE, etc.

Transport Package

Plastic Bag+ Carton+Wood Pallet

Specification

M3-M100, 1/4-2"

Trademark

G&T

Origin

Shanghai, China

Production Capacity

500 Tons/Month

Key features

High Strength Grades: Available in 8.8, 10.9, and 12.9 grades for demanding applications.

Wide Material Options: Carbon Steel, Alloy Steel, Stainless Steel, and Brass materials available.

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

Multiple Surface Finishes: Options include Zinc Plated, HDG, Black Oxide, PTFE, and more.

Strict Quality Control: ISO9001:2015 certified with rigorous testing and inspection processes.

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

Competitive Pricing: High quality fasteners at reasonable prices with one-stop shopping.

Global Supply Capability: 1000 tons per month supply ability serving worldwide markets.

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: ≤1.75h

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:What grades are available for these bolts?

We offer various grades including Grade 2, 5, 8, 8.8, 10.9, and 12.9, as well as stainless steel grades A2-70 and A4-70.

Q:Can you provide custom-made parts?

Yes, we support OEM and ODM services. You can send drawings, photos, or samples, and we will manufacture parts according to your specific requirements.

Q:How is product quality ensured?

Our processes strictly adhere to ISO9001:2015 procedures. We have strong technical support and strict quality control from production to delivery.

Q:What is the delivery time for orders?

Standard parts take 7-15 days, while non-standard parts take 15-25 days. We aim to deliver as soon as possible with guaranteed quality.

Q:What are the payment terms?

We accept T/T, L/C, D/A, D/P, Western Union, and PayPal. Typically, 30% deposit is required for production, with the balance paid before shipment.