How is product quality ensured?

All processes adhere to ISO9001:2008 procedures. We conduct strict quality control from production to delivery, including hardness, torque, and salt spray tests.

What surface treatments are available?

We offer Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black Oxide, Nickel, Chrome, and Hot-Dip Galvanizing (HDG) to meet anti-corrosion requirements.

Do you provide free samples?

Yes, samples are all free. You can request them to verify quality before placing a bulk order.

Large Capacity and Durability M10X1.5X55mm Black Oxide Finish Hex Head Screw Bolt

Name: Large Capacity and Durability M10X1.5X55mm Black Oxide Finish Hex Head Screw Bolt
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 2064385202

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

US$0.03

100-999 Pieces

US$0.02

1,000-9,999 Pieces

US$0.01

10,000+ Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

aisi b 18.2.1

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

10.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Blue-White Zinc Plated

Product Name

Heavy Hex Bolt

Surface Treatment

Plain/Black Oxide/Galvanized/HDG/Dacromet/Geomet.

Class

Class 4 8 10

Sample

Available

OEM

Acceptable

MOQ

One Piece

Delivery

Quick Delivery

Thread

Unc, Unf, Uef, Un, Uns

Application Industry

House Building ; Bridge Construction

Field of Employment

Ocean Engineering ; Petroleum ; Natural Gas

Surface Characteristic

Anti-Corrosion

Transport Package

Box Pallet

Specification

din931 din933 ASME B 18.2.1

Trademark

Origin

China

HS Code

7318150000

Production Capacity

10000000pieces/Year

Key features

Wide Material Selection: Available in Stainless Steel (SS201-316), Carbon Steel, and Alloy Steel grades.

High Precision Customization: Supports OEM/ODM with strict tolerance adherence to customer drawings and samples.

Flexible Surface Treatment: Options include Zinc Plated, Black Oxide, Nickel, Chrome, and HDG for anti-corrosion.

Strict Quality Control: Adheres to ISO9001 standards with hardness, torque, and salt spray endurance tests.

Low MOQ & Fast Delivery: Minimum order of 1 piece; standard parts ship in 7-15 days, non-standard in 15-25 days.

Free Sample Service: Samples are provided free of charge to help customers verify quality before bulk orders.

Multi-Industry Application: Suitable for machinery, construction, oil & gas, wind energy, and automotive sectors.

Professional Technical Support: Dedicated team provides design advice, new model development, and market suggestions.

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 materials are available for this bolt?

We offer Stainless Steel (SS201, SS303, SS304, SS316, SS410, SS420), Steel (C45, C46, C20), and Carbon Steel (1010, 1035, 1045, etc.) with various grades like 10.9 and 12.9.

Q:Can you customize products based on my drawings?

Yes, we strictly follow tolerances on drawings and can provide high-precision parts. You can send pictures, drawings, or samples, and we will develop new models specifically for you.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is just one piece, allowing for flexible purchasing for both samples and bulk orders.

Q:What are the delivery times for standard and non-standard parts?

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

Q:How should I make payment?

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