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Durable 4-40 and 8-32 Flush Head Screws From China
US$0.10
1,000-19,999 Pieces
US$0.05
20,000+ Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Carbon Steel,Stainless Steel,AluminumSurface Finishing
Zinc PlatedModel NO.
LHFHGrade
ACertification
ISO, GS, RoHSCustomized
CustomizedSize
Metric,UnifiedService
OEM/ ODMFinish
Zinc / Black/Yellow,etcSeries
Nut for Sheet Metal/Screw /StandoffTransport Package
PE Bag + CartonsSpecification
M2 M3 M4 M5 M6Trademark
In-saiLOrigin
Shenzhen ChinaProduction Capacity
1000000Key features
Customized Service: OEM/ODM services available with customizable size, finish, and series.
Wide Material Options: Available in Brass, Stainless Steel, Carbon Steel, and Aluminum Alloy.
Diverse Surface Finishes: Offers Zn/Ni/Tin/Au plating, Black Oxide, Anodizing, and more.
ISO9001:2008 Certified: Quality management system certified for precision and reliability.
Fast Lead Time: Standard lead time of 5-10 working days for most orders.
Global Delivery Options: Supports DHL, UPS, TNT, FedEx, EMS, Ocean, and Air shipping.
Sample Availability: Samples are welcome for quality verification before bulk production.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2008-06-30Average Response Time: ≤1.83hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA
AI-Powered supplier vetting
SummaryThe supplier is identified as Shenzhen In-sail Precision Parts Co., Ltd., a China-based limited company and manufacturer/factory in Shenzhen, Guangdong. It produces precision fasteners and parts, including thread inserts, CNC-machined components, pogo pins, press-fit connectors, and self-clinching standoff nuts. The available information indicates ISO 9000 and ISO 9001 management-system certifications, more than 10 production lines, 21–30 quality-control staff, and 41–50 years of cumulative R&D-engineer experience. Export activity is reported at 41%–50% of total sales, with exporting beginning in 2008 and including agent-assisted exports. The evidence supports production, quality-management, export, and R&D strengths, but does not sufficiently establish after-sales service, financial credibility, customization capability, or a broad customer track record.
Supplier typeThe supplier is described as Shenzhen In-sail Precision Parts Co., Ltd., a China-based limited company and manufacturer/factory located in Shenzhen, Guangdong. Its stated business focuses on precision fasteners and parts, although one slice also classifies the company nature as a trading company, creating a mixed classification.
CertificationsThe supplier reports ISO 9000 and ISO 9001 certifications for its management systems. These certifications provide explicit evidence of formal quality-management practices.
R&D capabilityThe supplier reports 41–50 years of total R&D-engineer experience and explicitly emphasizes R&D, continuous learning, and ongoing improvement. This supports an established technical-development orientation, though no specific patents, new products, or innovation results are listed.
Production capacityThe supplier is identified as a manufacturer/factory producing precision fasteners and parts, with more than 10 production lines and an annual production-output range stated in the records. Its product keywords include thread inserts, CNC machining, pogo pins, press-fit connectors, and self-clinching standoff nuts, indicating relevant manufacturing scope.
Product Q&A
Q:What materials are available for these screws?
A:
We offer Brass, Stainless Steel, Carbon Steel, Aluminum Alloy, and other materials according to customer requirements.
Q:Can I customize the size and finish?
A:
Yes, we provide customized services for size (Metric/Unified), finish (Zinc/Black/Yellow, etc.), and series.
Q:What is the typical lead time for production?
A:
The standard lead time is 5-10 working days, with peak season taking up to one month.
Q:Do you accept samples before bulk orders?
A:
Yes, samples are welcome to ensure the product meets your quality standards.
Q:What certifications do your products hold?
A:
Our products are certified under ISO9001:2008, SGS, RoHS, and include material certifications and PPAP.
Send Inquiry
*To:
Shenzhen Sandum Precision Parts Co., Ltd.
Shenzhen Sandum Precision Parts Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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