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GB856-88 GB848-95 External Tap Washers for Cheese Head Screws
US$0.10
1,000-19,999 Pieces
US$0.78
20,000+ Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableType
Hexagon HeadConnection
Common BoltModel NO.
GB856-88Head Style
HexagonalStandard
DIN, ANSI, GB, JISGrade
4.8Application
Machinery, Chemical Industry, Environmental, BuildingFinish
Color-Zinc PlatedSize
Metric,InchTransport Package
PE+CartonSpecification
M2 M3 M4 M5 M6Trademark
In-saiLOrigin
Shenzhen ChinaProduction Capacity
1000000Key features
Customizable Sizes: Available in Metric and Inch sizes according to customer requirements.
Wide Material Options: Brass, Stainless Steel, Carbon Steel, Aluminum Alloy, and more.
Fast Response Time: Technical support available within half an hour.
Certified Quality: ISO9001:2008, SGS, RoHS, and Material Certification.
Fast Delivery: Lead time 5-10 working days; standard products 1-2 weeks.
Extensive Inventory: More than 10,000 specifications of fasteners available.
Global Service: 24-hour online service and efficient global delivery options.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2008-06-30Average Response Time: ≤1.98hTerms 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 washers?
A:
We offer Brass, Stainless Steel, Carbon Steel, and Aluminum Alloy, customized according to customer requirements.
Q:Can the size be customized?
A:
Yes, we provide Metric and Inch sizes, and can customize per your specific requirement.
Q:What is the lead time for production?
A:
The general lead time is 5-10 working days. Standard products take around 1-2 weeks, with peak season taking one month.
Q:What certifications do you have?
A:
We hold ISO9001:2008, SGS, RoHS, and provide Material Certification and PPAP.
Q:What is the minimum order quantity (MOQ)?
A:
Samples are welcome, and we support both prototyping and series production without strict MOQ limits mentioned.
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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