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Premium Keep-Nut Lock Nut for Secure Anti-Loose Fastening Solutions
US$0.20
1,000-9,999 Pieces
US$0.17
10,000+ Pieces
Sample price:US$300.00/piece.Request sample
Product profile
Customization
AvailableType
NutApplication
MarbleModel NO.
HKMateril
StainlessFunction
LockStandard
Industry StandardsCraftsmanship
CNCTransport Package
PESpecification
M2 M3 M4 M5 M6 M8 M10Trademark
In-saiLOrigin
Shenzhen ChinaProduction Capacity
100000000Key features
Strong Pull-Out Load: Delivers average pull-out load of ~300kg via radial fit between washers and hole walls.
Easy Installation: Drill cylindrical hole and press in; no resin, adhesives, or undercut needed.
Durable Material: Made of stainless steel with toothed elastic crown washers and plastic retaining ring.
Versatile Substrates: Ideal for marble, granite, quartz, glass, wood, plastic, and composite materials.
Custom Sizes: Available in various lengths and custom sizes to fit specific requirements.
Precision Engineering: CNC crafted with serrated external walls for exceptional torque resistance.
Non-Through Threads: Internal threads prevent detachment and ensure permanent thread reinforcement.
Multiple Options: Offers flanged and unflanged designs with various length options.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2008-06-30Average Response Time: ≤2.83hTerms 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 can this insert be used on?
A:
It is suitable for stone (marble, granite, quartz), glass, wood, plastic (PC, ABS, nylon), and composite substrates.
Q:How is the product installed?
A:
Simply drill a cylindrical hole without an undercut and press the insert in; no resin or adhesives are required.
Q:What is the pull-out strength?
A:
It delivers strong stability with an average pull-out load of approximately 300kg.
Q:Are custom sizes available?
A:
Yes, custom sizes and various length options are available to meet specific needs.
Q:What is the material composition?
A:
The insert is made of stainless steel featuring a threaded sleeve, toothed elastic crown washers, and a plastic retaining ring.
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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