What finishes are available for the bolts?

Options include Plain, Black Oxide, Zinc Plated (Clear/Blue/Yellow/Black), Hot Galvanized, Nickel, Chrome, and Dacromet.

What is the minimum order quantity?

The minimum order is 500KG or according to customer demand, though some items may allow 1 Pc MOQ.

How should I order if I cannot find the product online?

Send pictures, photos, drawings, or samples via email/DHL, and we will develop the new model for you.

ASME B 18.5 SS304 Round Head Square Neck 3/8 Carriage Bolts

Name: ASME B 18.5 SS304 Round Head Square Neck 3/8 Carriage Bolts
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 923343205

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

US$1.00

100 Pieces

Product profile

Customization

Available

Material

Carbon Steel/Stainless Steel/Brass/Titanium

Type

Mushroom Head

Connection

Plough Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW

Grade

4.8, 8.8, 10.9, 12.9, 304(A2), 316(A4)

Application

Machinery, Chemical Industry, Environmental, Building, Agriculture, etc.

Finish

Zinc Plated, Black, Hot Galvanized, Dacromet, etc.

Transport Package

Plastic Bag+ Carton+Wood Pallet

Specification

1/2"-1 1/2", M5-M36

Trademark

G&T

Origin

Shanghai, China

HS Code

73181510

Production Capacity

1500 Tons/Month

Key features

High Precision Customization: Strictly follow drawing tolerances for high-precision parts and custom-made hardware via OEM/ODM.

Wide Material Selection: Available in Carbon Steel, Stainless Steel (304/316), Brass, and Titanium with various grades.

Extensive Finish Options: Zinc Plated, Black Oxide, Hot Galvanized, Dacromet, Nickel, Chrome, and PTFE finishes available.

ISO9001 Quality Assurance: Strict quality control from production to delivery adhering to ISO9001:2008/2015 procedures.

Fast Delivery Time: Standard parts delivered in 7-15 days; Non-standard parts in 15-25 days with timely service.

Large Supply Capacity: Supply ability of 1500 tons per month to meet large-scale industrial demands.

Flexible Customization: Full customization, minor customization, and flexible options from samples or designs.

Professional Industry Experience: Over 10 years experience in fasteners industry with strong technical force and testing facilities.

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: ≤1.71h

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.