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?

The average lead time is within 15 workdays for both peak and off-season periods.

What payment methods do you accept?

We accept T/T, L/C, Western Union, PayPal, D/P, and small-amount payments.

High Strength Black Oxide Galvanized Carbon Steel Hexagon Socket Head Cap Screws

Name: High Strength Black Oxide Galvanized Carbon Steel Hexagon Socket Head Cap Screws
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 2059432862

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-Allen Bolt-30

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB, ANSI, BSW, JIS, GOST, 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

7318159090

Production Capacity

10000/Month

Key features

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

Extensive Size Range: Diameter M3-M72 (3/16''-4'') with customizable length options.

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

OEM/ODM Services: Supports full customization from samples, designs, or minor adjustments.

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

Fast Response Time: Professional team ensures response within 24 hours.

Large Stock Availability: Extensive inventory of standard sizes for timely delivery.

Flexible Payment Terms: Accepts T/T, L/C, Western Union, and PayPal.

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:What materials are available for these screws?

We offer Carbon Steel, Stainless Steel, Alloy Steel, Brass, and other materials.

Q:What is the size range for the hexagon socket head cap screws?

The diameter ranges from M3 to M72 (3/16'' to 4''), with customizable lengths.

Q:Can I customize the surface finish?

Yes, we provide Plain, Black Oxide, Zinc Plated (Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome, PTFE, Dacromet, Geomet, Magni, Zinc Nickel, and Zinteck.

Q:Do you accept OEM or ODM orders?

Yes, we support OEM/ODM services including customization from samples, designs, full customization, and minor customization.

Q:What certifications do your products have?

Our products are certified with ISO9001-2008, SGS, CTI, and RoHS. We also offer IECCEE, TUV, ISO14001, and OHSAS18001 certificates.