What are the payment terms?

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

How do I order custom parts?

Send us your drawings, photos, or samples, and we will develop them for you.

What is the minimum order quantity?

The MOQ is 1 Pc, according to customer demand.

ANSI Square Head Bolts

Name: Carbon Steel Black Grade 4.8 / 8.8 DIN / ANSI Square Head Bolts
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 916007645

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

4.8, 8.8, 10.9, 12.9, etc

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

Wide Grade Range: Available in 4.8, 8.8, 10.9, 12.9 and other standard grades.

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

Diverse Surface Finish: Options include Black, Zinc Plated, HDG, PTFE, and more.

Strict Quality Control: Processes adhere to ISO9001:2008 with strict QC from production to delivery.

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

High Precision Parts: Capable of strictly following drawing tolerances for high precision.

Competitive Pricing: Offers reasonable prices with one-stop shopping and timely delivery.

Free Samples: Provides free samples for testing and quality verification.

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: ≤1.56h

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.