What is the minimum order quantity?

The minimum order quantity is 1 piece, according to customer demand.

How long is the lead time for delivery?

Lead time is within 15 workdays for both peak and off-peak seasons.

What payment terms do you accept?

We accept T/T, L/C, Western Union, PayPal, and other standard terms.

Quality Assurance Carbon Steel Black Oxide Coated Hex Coupling Nuts

Name: Quality Assurance Carbon Steel Black Oxide Coated Hex Coupling Nuts
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 2061915472

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

US$0.50

100-499 Pieces

US$0.30

500-999 Pieces

US$0.10

1,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel/Stainless Steel/Alloy Steel/Other

Type

Hexagon Head

Model NO.

Savion-Hex Nut-35

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, GOST, BSW, DIN/GB/ISO/JIS B/BS/Ansl etc

Grade

4.8/6.8/8.8/10.9/12.9/A2-40/A2-70/A2-80/A4-80/etc.

Quality Control

100% Inspection

Measurement System

Imperial (Inch),Metric

Thread Type

M/Unc/Unf

OEM/ODM

Available

Size

M3-M72(3/16''- 4'')/etc

Certificate

Iecee/TUV/ISO9001/ISO14001/OHSAS18001

Length

Customized

Advantages

Price,Quality and Lead Time,etc.

Transport Package

25kg Per Carton and 36 Cartons Per Pallet

Specification

25*25*16cm

Trademark

Origin

Shanghai

HS Code

7318160000

Production Capacity

10000/Month

Key features

Wide Material Options: Available in Carbon Steel, Stainless Steel, Alloy Steel, and Brass.

Extensive Size Range: Sizes from M3 to M72 (3/16'' to 4'') with customized options.

Multiple Finish Types: Plain, Black Oxide, Zinc Plated, H.D.G, Nickel, Chrome, and more.

Comprehensive Standards: Meets DIN, ANSI, GB, JIS, GOST, BSW, and ISO standards.

High Grade Availability: Grades 4.8, 6.8, 8.8, 10.9, 12.9, A2-40, A2-70, A2-80, A4-80.

Full Customization: OEM/ODM available with customization from samples and designs.

Strict Quality Control: 100% inspection with ISO9001, TUV, and SGS certifications.

Fast Response Time: Professional team responds within 24 hours for inquiries.

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: ≤1.83h

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.