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M12 1/2" Coupling Extra 3" Bolt Class 4 8 Black Hex Long Nut

Name: M12 1/2" Coupling Extra 3" Bolt Class 4 8 Black Hex Long Nut
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 1990290065

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

US$0.05

100-999 Pieces

US$0.03

1,000-9,999 Pieces

US$0.01

10,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

DIN 6334 Coupling Nut

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB

Grade

4.8

Product

Coupling Nut

Size

M6, M8, M10, M12, M20, M48

Material Grade

4, 6, 8, 10, 12

Diameter

M6, M8, M10, 1/2", 3/4", 7/8", 1 1/2"

Length

10, 20, 40, 60, 1", 2", 3"

Thread Length

10, 20, 40, 60, 1", 2", 3"

Packing

Carton and Pallet

Shipping Method

Express, Air, Sea, Train

Production

Standard/Customized

Area

Industry, Machine, Building

Payment Term

Tt 50% Deposit

Using

Right Hand Threads

Sample

Accepted

Lead Time

15-60 Days

Head Mark

Customized

Transport Package

Carton and Pallet

Specification

25kg/ carton, 900kg/pallet

Trademark

Origin

Shanghai

Production Capacity

100000

Key features

Comprehensive Customization: Offers full customization including size, material grade, diameter, length, thread length, and head mark.

Wide Material Range: Available in Carbon Steel, Alloy Steel, Stainless Steel, and Brass with various grades.

Diverse Surface Finishes: Options include Plain, Black Oxide, Zinc Plated, H.D.G, Nickel, Chrome, PTFE, and Dacromet.

Flexible Shipping Methods: Supports Express, Air, Sea, and Train shipping to meet global logistics needs.

Free Samples Available: Samples are provided upon request to help customers verify product quality and specifications.

Global Market Coverage: Serves markets in Europe, Americas, Asia, Middle East, and Australia with competitive pricing.

Industry Experience: Over 10 years of experience in the fasteners industry with professional technical support.

One-Stop Shopping: Provides high-quality products, competitive prices, timely delivery, and material test reports.

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: ≤1.68h

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:Are you a trading company or manufacturer?

We are a factory and manufacturer.

Q:How long is your delivery time?

For products in stock, we can ship within 7 days after receiving payment. For custom orders under 24 tons, production time is 20-35 days after confirming all details.

Q:Do you provide samples? Is it free or extra?

We have thousands of products, so sending the full catalogue is difficult. Please inform us of the styles you are interested in, and we can offer a price list for your reference.

Q:What about the warranty?

We pack products carefully to ensure protection. We suggest checking goods upon receipt. If there is transport damage or quality issues, please take detailed pictures and contact us immediately so we can handle it to minimize your loss.

Q:What is the minimum order quantity?

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