What is your minimum order quantity?

The minimum order quantity is 1000 pieces.

What are your payment terms?

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

What is your average lead time?

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

GB/T 70.3 Carbon Steel Hexagon Socket Countersunk Screw, Flat Head

Name: GB/T 70.3 Carbon Steel Hexagon Socket Countersunk Screw, Flat Head
Brand: Yangzhou Shuojia Electromechanical Co., Ltd.
SKU: 2323928675

Jiangsu, ChinaYangzhou Shuojia Electromechanical Co., Ltd.

US$0.08

500-999 Pieces

US$0.06

1,000-99,999 Pieces

US$0.05

100,000+ Pieces

Product specifications

length

thread size

Product profile

Customization

Available

Material

Carbon Steel

Type

Socket Countersunk Screw

Model NO.

GB/T 70.3

Groove

Word

Connection

Common Bolt

Head Style

Hexagonal

Standard

Grade

8.8

Transport Package

Box

Trademark

shuojia

Origin

Jiangsu, China

Key features

The 90 degree countersunk head sinks flush with the surface, giving a clean, obstruction-free finish. It is the usual choice for machine covers, plates and moving parts where a protruding head is not

Made to GB/T 70.3-2023, the current standard that replaced GB/T 70.3-2008, covering M2 to M20 in property classes 8.8, 10.9 and 12.9. It corresponds to ISO 10642 and DIN 7991 on the international side

Black oxide or zinc plated finish keeps the screws rust-free before installation. Note that this head form is rated with reduced loadability, so design should use the reduced load values given in the

Company profile

Importers and ExportersIn-stock CapacityFast Delivery

Yangzhou Shuojia Electromechanical Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.34h

AI-Powered supplier vetting

SummaryYangzhou Shuojia Electromechanical Co., Ltd. is a China-based manufacturer specializing in fasteners such as bolts, screws, rivets, and anchors. It reports customization from samples and designs, ODM availability, recent new-product development, raw-material traceability, 100% finished-product inspection, and documented R&D procedures. Its stated business scope also covers broad categories of metal, mechanical, electrical, railway, automotive, and related products. However, no supplier-management-system certification is reported, after-sales processes are not described in substantive terms, R&D and quality staffing is limited to one person each, and the available financial information is insufficient for a positive credibility assessment. No customer cases are provided.

Supplier typeThe supplier identifies itself as a manufacturer of fasteners, including bolts, screws, rivets, and anchors. Its registered business scope also includes metal products, mechanical components, molds, bearings, valves, auto parts, electrical equipment, and related categories, indicating a manufacturing and trading scope centered on industrial hardware and components.

CertificationsThe supplier-management-system certification field is explicitly reported as NIL. Although quality assurance in quality-control processes is marked as present, no formal certification is evidenced in the provided slices.

R&D capabilityThe supplier reports new products during the past year, one R&D engineer, design work using AutoCAD and PS, and available design-input, output, review, verification, and validation documentation. It also provides technology support during production, but no SDK is available and the R&D team is very small.

Production capacityThe supplier specializes in producing fasteners and reports 100% finished-product inspection and raw-material traceability. Its broad industrial-product scope supports relevant manufacturing coverage, although the slices do not provide production capacity, equipment, facility size, or workforce data.

Customization capabilityThe supplier explicitly offers customization from samples and designs, provides ODM services, and prepares product specifications for customer approval. These statements directly demonstrate customization capability.

Product Q&A

Q:Are you a manufacturer or a trading company?

We are a trading company with cooperated factories and over 30 years of fasteners experience.

Q:How does your factory control product quality?

We have a quality inspection department that checks each product before sending it out. If there is a quality problem, we will produce a new one.

Q:Can I get samples and what is the fee?

We provide free samples for standard products, but you need to pay the express fee. For customized products, there is a sample charge which will be deducted from the official order.

Q:What are your main products?

In addition to standard fasteners like bolts, screws, nuts, and gaskets, we can also produce special customized products according to customer drawings.

Q:Do you offer customization services?

Yes, we offer ODM OEM services and can customize products from samples or designs.