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High Strength ASTM A193 B7 Heavy Hex Structural Bolt for Heavy Duty Tower Crane
US$0.38
2,000-4,999 Pieces
US$0.25
5,000-9,999 Pieces
US$0.13
10,000-49,999 Pieces
US$0.01
50,000+ Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Carbon Steel/Alloy SteelType
Hexagon HeadModel NO.
Heavy hex structural boltConnection
Common BoltHead Style
HexagonalStandard
DIN, ANSI, GB, JISGrade
Astma325/A490/Cl10.9Application
Machinery, Chemical Industry, Environmental, BuildingFinish
Plain/Zinc Plated/Black Oxide/H.D.G and etcCertification
ISO9001MOQ
2000PCSDelivery Time
10-15 DaysInspection
100% QC TestManufacture Processing
Cold Forging/ Hot ForgingExperience
for 20 YearsThread
M/Unc/UnfSample
Sample AvaliableDelivery Method
by Sea, by Air or by Express ServiceSupply Type
OEM / Custom / DrawingTransport Package
Plastic Bag/Boxes and Cartons/Pallets/CustomizedSpecification
1/2"-1 1/2", M12-M36Trademark
JMOrigin
ChinaHS Code
7318159001Production Capacity
10000000PCS/MonthKey features
Comprehensive Material Options: Available in Stainless Steel, Carbon Steel, Alloy Steel, Aluminum, and Copper.
Multiple Surface Treatments: Includes Zinc Plating, HDG, Black Oxide, Nickel, Chrome, and Phosphate.
Custom Drawing Production: Supports manufacturing based on customer drawings, samples, and technical specs.
ISO9001 Certified Quality: Manufacturing follows internationally recognized quality management systems.
Free Sample Service: Samples are available for standard items and customized production upon request.
Complete Set Supply: Offers fasteners with nuts and washers as complete sets for assembly.
Rigorous Quality Testing: Includes tensile strength, hardness, dimensional, and coating thickness verification.
Flexible Packaging Solutions: Options include cartons, wooden cases, pallets, and bulk packaging per demand.
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: ≤4.97h
AI-Powered supplier vetting
SummaryShanghai Jian & Mei Industry and Trade Co., Ltd. is a China-based trading company and manufacturer with comprehensive service capabilities, including ODM and OEM services. The company is adept in handling after-sales services and maintains a sound quality control system. Despite limited innovation in new product development, it offers flexible customization and participates in international trade shows to enhance its presence. Financially, the company has demonstrated stability over the past three years, but specifics on certification holdings are not provided.
Supplier typeThe supplier is identified as both a trading company and a manufacturer/factory, based in Shanghai, China.
After-Sales capabilityThe supplier has established procedures for corrective and preventive actions, and effective handling of customer complaints, ensuring quality assurance and traceability in quality control processes.
Financial creditThe supplier's financial capacity is demonstrated over the last three years, indicating financial stability.
R&D capabilityThe supplier has not introduced new products in the past year, indicating limited innovation capability.
Production capacityThe supplier operates five production lines with an annual production output valued between US$10 million and US$50 million.
Customization capabilityThe supplier offers flexible customization and provides ODM services.
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 JM Hardware 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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