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Sems Screw Pre-Assembled Washer Industrial Hardware
US$1.80
2,000-9,999 Pieces
US$1.11
10,000-49,999 Pieces
US$0.29
50,000-99,999 Pieces
US$0.01
100,000+ Pieces
Sample price:US$20.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Carbon Steel/Stainless Steel/Brass/AluminiumType
Hexagon/Roun/Countersunk/PanModel NO.
SEMS screwGroove
Pozi/Cross/HexagonalConnection
Common BoltHead Style
Round/HexagonalStandard
DIN, GB, ANSI, JISGrade
4.8/5.8/8.8/A2-50/A2-70/A4-70MOQ
2000PCSCertificate
ISO9001Quality Control
100% InspectionFinish
Plain/Zinc Plated/Black/Chrome/H.D.G and etcDelivery Time
10-15 DaysExperience
for 20 YearsSample
Sample AvaliableApplication
Building & Decoration, Industrial Aluminum Light SDelivery Method
by Sea, by Air or by Express ServiceTransport Package
Woven Bag, Carton, Box+Carton, Pallet PackingSpecification
M3-M12Trademark
JMOrigin
ChinaHS Code
7318159001Production Capacity
10000000PCS/MonthKey features
Custom Fastener Production: Supports customized production based on customer drawings, samples, or specific technical requirements.
Comprehensive Material Options: Available in stainless steel, carbon steel, alloy steel, aluminum, copper, and other special alloys.
Multiple Surface Treatments: Offers zinc plating, hot dip galvanizing, black oxide, phosphate, and other customized finishes.
Complete Set Supply: Supplies fasteners as complete sets (e.g., bolt + nut + washer) to simplify assembly and sourcing.
Rigorous Quality Control: Systematic inspection from raw material to final shipment, including mechanical and dimensional testing.
Free Sample Service: Provides free samples for standard items and sample production for customized items upon request.
Flexible Packaging Solutions: Offers cartons, wooden cases, pallets, and customized packaging to meet specific logistics needs.
Global Export Experience: 20 years of export experience with support for sea, air, and express delivery worldwide.
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Flexible customization CertifiedExport Year: 20 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤5.65h
AI-Powered supplier vetting
SummaryShanghai Jian & Mei Industry and Trade Co., Ltd. is identified as a China-based trading company and manufacturer/factory with five production lines, broad export coverage, and overseas agents or branches. It provides OEM and ODM services, flexible customization, and overseas maintenance and repair support, but reports no available SDK and no new products during the past year. Quality processes include documented corrective and preventive actions, complaint handling, quality assurance, and raw-material traceability. Service capability is supported by eight qualified suppliers and written procedures, although peak-season lead-time information is inconsistent across the provided records. Financial information is limited to year labels without financial metrics, so credibility cannot be assessed. No certifications or specific customer cases are documented.
Supplier typeThe supplier is described as both a trading company and a manufacturer/factory, while another record identifies it specifically as a trading company. Its registered business scope covers mechanical equipment, hardware, electronic products, and related goods, consistent with a broad industrial trading and manufacturing profile.
After-Sales capabilityThe supplier offers overseas maintenance and repair services, has overseas agents or branches, and has documented procedures and records for corrective actions and customer complaints. It also reports eight qualified service-capability suppliers and participation in an offline trade show, but it has no overseas warehouse or showroom.
R&D capabilityThe supplier conducts mechanical equipment, household appliance, metal product, hardware, and electronic specialty material R&D, and offers ODM services. However, it reports no available SDK and no new products during the past year, indicating documented limitations in software integration and recent product development.
Production capacityThe supplier operates five production lines and exports to markets across the Americas, Europe, the Middle East, Africa, Asia, Oceania, and related regions. It reports an order fulfillment time of four to six months during peak season, while another record contains inconsistent peak-season lead-time wording; therefore, capacity is evidenced but peak-season responsiveness may require confirmation.
Customization capabilityThe supplier explicitly provides flexible customization and OEM services for well-known brands, as well as ODM services. These records directly support both customized manufacturing and customer-specific design capability.
Product Q&A
Q:Can JM Hardware produce customized fasteners based on drawings?
A:
Yes. JM Hardware supports customized production based on drawings, samples, or technical requirements. Customers can provide drawings (PDF/DWG/STEP), material/specification requests, and key dimensions/tolerances. JM Hardware will review feasibility, confirm process route, and provide a quotation with lead time.
Q:What materials are available for JM Hardware fasteners?
A:
JM Hardware offers fasteners in common industrial materials such as stainless steel, carbon steel, alloy steel, aluminum alloy, copper, and other special alloys based on customer requirements. Material selection can be aligned with strength requirements, corrosion conditions, and project standards.
Q:What surface treatments can JM Hardware provide?
A:
JM Hardware can provide multiple surface treatments based on application needs, such as zinc plating, hot dip galvanizing (HDG), black oxide, phosphate coating, and other customized finishes. If you have coating thickness or corrosion resistance requirements, JM Hardware can align production and inspection accordingly.
Q:Does JM Hardware provide samples before mass production?
A:
Yes. JM Hardware can provide samples for confirmation when required. For standard items, available samples may be provided quickly. For customized items, JM Hardware can arrange sample production after confirming drawings/specifications. Sample lead time depends on complexity and material availability.
Q:How does JM Hardware control quality?
A:
JM Hardware implements quality control throughout production, including: Raw material verification and incoming inspection, In-process inspection during forming/machining/threading, Final inspection before packing and shipment, and Packaging checks and traceability labeling. This systematic approach helps maintain stable product quality and reduce installation risks.
Send Inquiry
*To:
Shanghai Jian & Mei Industry and Trade Co., Ltd.
Shanghai Jian & Mei Industry and Trade Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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