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Partially Full Thread Hex Socket Cap Vacuum Vented Hollow Screw
US$0.05-0.50
1,000 Pieces
Sample price:US$5.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Stainless SteelType
Cap HeadGroove
SocketConnection
Common BoltHead Style
RoundStandard
DIN, GB, ANSI, JISGrade
4.8/8.8/10.9/12.9/5/8Transport Package
Plastic Bag+CartonSpecification
M2-M24Trademark
PDMOrigin
ChinaProduction Capacity
200000/MonthKey features
Vacuum Vented Design: Features a through hole to vent accumulated air in vacuum equipment applications.
Customizable Hole: Offers customized hole options to meet specific client requirements.
Wide Material Selection: Available in Carbon Steel, Stainless Steel, Aluminium, and Brass.
Multiple Grade Options: Grades include 4.8, 6.8, 8.8, 12.9, and others for varied strength needs.
Flexible Size Range: Sizes range from 3mm to 80mm or can be customized as per client specs.
Various Finish Options: Finishes include Plain, Zinc Plated, Black Oxide, H.D.G, and others.
OEM/ODM Service: Supports OEM and ODM services with full and minor customization options.
Strict Quality Control: 100% inspection of finished products including visual and function checks.
Company profile
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: 14 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤24h
AI-Powered supplier vetting
SummaryThe supplier presents established manufacturing and export capabilities, with ISO9001:2015 certification, two production lines, 6–10 quality-control staff, and stated contracts with affiliated subcontractors. It supports flexible customization, ODM, OEM for popular brands, and reports new products in the past year. Export activity has continued for 11 years, with 51%–70% of sales from exports and self-operated import/export rights. Service strengths include inventory capability, documented complaint and corrective-action procedures, quality assurance, and lead times within 15 working days in both peak and off-season periods. However, the supplier has no overseas warehouse, showroom, agents, branches, or stated overseas-service countries, and has not participated in offline trade shows. Supplier-service assessment lacks written procedures and complete records. Financial credibility cannot be assessed from the non-monetary information provided.
Supplier typeThe supplier is identified as a combined company rather than an offshore company, and its profile covers manufacturing, export trade, service, quality control, R&D, and sustainability capabilities. This supports classification as an integrated manufacturing and trading-oriented supplier, although the exact legal business structure is not further specified.
CertificationsThe supplier holds an ISO9001:2015 certificate. This is explicit evidence of a recognized quality-management-system certification, although no additional certifications are stated.
After-Sales capabilityThe supplier has documented procedures and records for customer complaints and corrective/preventive actions, provides inventory capability, and reports lead times within 15 working days in both peak and off-season periods. However, it has no overseas warehouse, showroom, agents, branches, or stated overseas-service countries, while its supplier-service assessment process has no written procedures or followed records.
R&D capabilityThe supplier reports two years of total R&D-engineer experience, new products developed during the past year, ODM capability, customization from designs and samples, an available SDK, and one national science and technology progress award. These stated capabilities provide explicit evidence of active R&D and innovation support.
Production capacityThe supplier operates two production lines, has 6–10 quality-control staff, maintains valid manufacturing-capacity contracts with affiliated subcontractors, and reports 30 qualified suppliers for service capability. It also states inventory capability and lead times within 15 working days in both peak and off-season periods, indicating established operational capacity.
Customization capabilityThe supplier explicitly offers flexible, minor, and full customization, including customization from customer designs and samples, as well as ODM services and OEM for popular brands. These stated services demonstrate broad customization and contract-manufacturing capability.
Client casesThe supplier names long-term customers including Richelieu Hardware, Hillman Agroup, VIPA, CFI, and BUFAB. These named customer relationships provide explicit evidence of customer experience, although the information does not state order scope, duration for each account, or independently verified performance outcomes.
Product Q&A
Q:What is the main function of this screw?
A:
It is designed for vacuum equipment, featuring a through hole to vent air accumulated between the device body and the screw.
Q:What materials are available for this product?
A:
We offer Carbon Steel, Stainless Steel, Aluminium, and Brass as material options.
Q:Can the size and hole be customized?
A:
Yes, sizes range from 3mm to 80mm or can be customized. The hole can also be customized according to client requirements.
Q:What grades of screws do you provide?
A:
We provide various grades including 4.8, 6.8, 8.8, 12.9, and others.
Q:What standards does this screw comply with?
A:
It complies with ISO, JIS, GB, ANSI, BSW, DIN standards, or non-standard custom designs.
Send Inquiry
*To:
Qingdao Pengrui Machinery Co., Ltd.
Qingdao Pengrui Machinery Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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