What is your delivery time?

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

How to custom-made (OEM/ODM)?

Send us a new product drawing or sample, and we will custom-make the hardware as required while providing professional advice to maximize performance.

Which mode of transport would be better?

Since production is generally heavy, we advise delivery by sea, but we also respect your views on other transportation methods.

Best Price M14 M3 M5 M6 Short Neck Black Square Mushroom Round Head Decorative Carriage Bolt

Name: Best Price M14 M3 M5 M6 Short Neck Black Square Mushroom Round Head Decorative Carriage Bolt
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 1984402725

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

US$0.01-0.10

1,000 Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

Carriage Bolt

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN

Grade

4.8

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Color-Zinc Plated

Size

M6, M8, M10, M12, M20, M48

Coating

Plain,Black Oxide, Zinc Plated(Clear/Blue/Yellow/B

Diameter

M6, M8, M10, M12, M20, M48, 1/2"

Length

10, 20, 40, 60, 1"

Lead Time

15-60 Days

Sample

Accepted

Using

Right Hand Threads

Surface Treatment

Zinc Plated, Black Oxide, Copper Plating...

Thread

Full Threaded

Payment Term

Tt 50% Deposit

Area

Industry, Machine, Building

Production

Standard/Customized

Packing

Carton and Pallet

Material Grade

Stainless Steel A2 A4 304 316

MOQ

100PCS

Transport Package

Plastic Bag+ Carton+Wood Pallet

Specification

1/4"-4", M4-M100

Trademark

G&T

Origin

Shanghai, China

Production Capacity

1000 Tons/Month

Key features

Comprehensive Customization: Offers full customization including size, coating, diameter, length, and thread based on drawings or samples.

Wide Material Selection: Available in Carbon Steel, Alloy Steel, Stainless Steel (A2/A4/304/316), and Brass.

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

Strict Quality Control: Processes adhere to ISO9001:2008/2015 standards with rigorous inspection from production to delivery.

High Precision Capability: Capable of strictly following drawing tolerances for high precision parts and custom manufacturing.

Flexible Payment Terms: Accepts T/T, L/C, West Union, and PayPal with 30% deposit for production and 100% for samples.

Fast Delivery for Standard Parts: Standard parts delivered within 7-15 days; non-standard parts within 15-25 days.

Free Samples Available: Samples are provided free of charge to verify quality and specifications before bulk orders.

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: ≤1.78h

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:Why choose us?

We provide first-class services in supplying quality fasteners while minimizing costs, aiming to be your first choice with professional customer service and innovation.

Q:How is quality ensured?

All processes strictly adhere to ISO9001:2008 procedures with strict quality control from producing to delivery, supported by experienced management and strong technology.

Q:What if I cannot find the product on your website?

You can send pictures, photos, or drawings via email for us to check availability, or send samples by DHL/TNT for us to develop a new model specifically for you.

Q:Can you strictly follow the tolerance on the drawing and meet high precision?

Yes, we can provide high precision parts and manufacture them exactly according to your drawing.

Q:How should I order and make payment?

For samples, pay 100% with the order via T/T. For production, pay 30% deposit by T/T before arrangement and the balance before shipment.