Stainless Steel Hex Socket Countersunk Head Machine Screw DIN7991

Name: Stainless Steel Hex Socket Countersunk Head Machine Screw DIN7991
Brand: Jiaxing Sini Fastener Co., Ltd.
SKU: 927012105

Zhejiang, ChinaJiaxing Sini Fastener Co., Ltd.

US$0.015

100,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Flat Head

Groove

Hexagon

Connection

Common Bolt

Head Style

Flat Head

Standard

DIN

Grade

4.8

Transport Package

Carbon

Specification

M0.8-M12

Origin

China

HS Code

7308900000

Production Capacity

1000ton/Year

Key features

Extensive Material Options: Available in Stainless Steel, Carbon Steel, Brass, Bronze, Iron, Aluminum, and Alloy Steel.

Diverse Surface Finishing: Offers Zn-plated, Ni-plated, Anodize, Chrome plated, Hot Deep Galvanize, and many more.

Comprehensive Heat Treatment: Includes Tempering, Hardening, Spheroidizing, and Stress Relieving processes.

Wide Standard Compliance: Meets ISO, GB, DIN, JIS, ANSI, and BSW international standards.

Fast Sample Delivery: Samples sent within 5 days for existing models or 15 working days for custom tooling.

OEM and ODM Services: Full customization available from samples, designs, or minor modifications.

Strict Quality Control: All products undergo 100% inspection before delivery to ensure reliability.

Versatile Applications: Suitable for automobiles, electronics, electric machinery, and motocar accessories.

Company profile

R&D CapabilitiesCustomization from Samples100% Finished Products InspectionManagement Certification

Jiaxing Sini Fastener Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shanghai Port; Ningbo PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier operates in hardware and mechanical equipment, with stated import/export licensing and products including fasteners. It reports OEM and ODM capability, broad customization options, and manufacturing equipment that includes punching, rolling, deburring, laser cutting, bending, riveting, and hydraulic machines. Export sales account for 90% of total sales, and stated quotation terms include FOB, CFR, CIF, and EXW. However, the available evidence indicates important operational weaknesses: only one production line is reported, there is no valid manufacturing-capacity contract with related subcontractors, no inventory or overseas service infrastructure, no written supplier-service assessment procedure, and no documented corrective-action, complaint-handling, quality-assurance, or traceability systems. No certification information or specific customer cases are provided.

Supplier typeThe supplier is presented as a hardware and mechanical-equipment business, with licensed import/export and technology-import/export activities, plus sales and R&D of hardware products, mechanical equipment, and mechanical components. Its stated product scope includes fasteners such as carriage bolts, indicating a manufacturer/supplier focused on hardware and related mechanical products.

After-Sales capabilityThe supplier has no stated overseas agents or branches, overseas warehouse, overseas showroom, or overseas service countries, and it has no written procedures or records for corrective and preventive actions or customer-complaint handling. These explicit gaps indicate weak documented after-sales and international service infrastructure.

Production capacityThe supplier lists multiple processing machines and reports one production line, a one-month average lead time in both peak and off-season, and 90% export sales. Nevertheless, it lacks a valid manufacturing-capacity contract with related subcontractors, does not continuously reconcile production quantities, has no outsourcing SOP, and has no quality assurance or raw-material traceability, creating material production-control deficiencies.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization through its design and R&D capabilities. It also states that special parts can be manufactured, providing clear evidence of broad customization capability.

Product Q&A

Q:What is your main products?

Fasteners, sheet metal parts,Bolt, nut, screws, washer, threaded rod, anchors, self tapping screws, self driling screws, stainless steel plate, etc.

Q:How long is your delivery time?

It depends on whether we have stock, if we have stock products, we can delivery in 2 days after receive the payment. And normally our production time is in 15-20 workdays for one container (20-26 ton).

Q:What s your after-sale service?

We produce your order strictly by your request.The product is remanufactured after sample confirmation. If there is quality problem. please provide photos or test reports, we will replace defective goods or return funds

Q:What is your payment term?

Mostly we use 30% advance payment by T/T, 70% before shipment.For small amount order, we have paypal account.

Q:How can I get the quotation?

Please send us information for quote: drawing, material, weight, quantity and request,we can accept PDF, ISGS, DWG, STEP file format. If you don't have drawing, please send the sample to us,we can quote base on your sample too.

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Jiaxing Sini Fastener Co., Ltd.

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Stainless Steel Hex Socket Countersunk Head Machine Screw DIN7991