Powered by Made-in-China.com
Wholesale Metro Connecting Construction Bolt Subway Curved Tunnel Bolt Galvanized
US$0.40-0.60
100 Pieces
Product profile
Customization
AvailableAfter-sales Service
1 YearWarranty
1 YearModel NO.
Metro Connecting Construction BoltCustomized
CustomizedCertification
ISO14001, ISO9001Material
Q235,10b21,Stainless SteelStandard
GB/T 1346,GB,JIS,ANSI,DIN,BSProcessing
Hot RollingSurface
Bronze,Zinc,Rainbow,Plain,Nickle,Passivated,ElectrProduction
OEM ODM CustomSizes
M1.6,M2,M2.5,M3,M3.5,M4,M5,M6,M8,M10-M20Head Type
Hexaonal Head/Double End HeadDrive Type
Slotted(Socket),Square,Pz,Triangle,H,Torx(Heat Treatment
Tempering,Hardening,Stress Relieving,etc.Application
Railway,Subway,Tunnel BuildingGrade
4.8,5.6,8.8.10.9,12.9Quality Control
Inspection 100%Coating
Plain, Zinc Plated, Hot DIP Galvanized.Thread
Half or Full ThreadMaterial 2
Stainlesss Steel, Carbon Steel, Q235Transport Package
Wooden Box/PalletSpecification
Tunnle Segement BoltTrademark
Kingrail PartsOrigin
ChinaHS Code
86080090Production Capacity
50000PCS/YearCompany profile
Business Type: Manufacturer/FactoryAverage Response Time: ≤2.31h
AI-Powered supplier vetting
SummaryThe supplier is identified as a trading company with business activities covering metal-product research and development, technical services, key systems and components, railway rolling stock parts, and related equipment sales. It reports ISO 9000 and ISO 9001 certification, OEM service for well-known brands, ODM capability, and broad customization options. Reported production capacity includes wheels, track materials, and metal products, while quality-control and traceability evidence is incomplete. The supplier has one R&D engineer, no new products reported in the past year, no available SDK, and no R&D audit documentation. After-sales service is included in the R&D engineer’s responsibilities, but documented complaint-handling and corrective-action records are absent. No monetary or financial figures are included in this assessment; the available records only identify financial information for three historical years. Overseas service infrastructure is limited, with no overseas agents, branches,...
Supplier typeThe supplier is explicitly classified as a trading company. Its stated activities include metal-product R&D and technical services, as well as sales of key systems, railway rolling stock parts, and related equipment.
CertificationsThe supplier reports ISO 9000 and ISO 9001 management-system certifications. However, quality assurance status is unspecified, and approved-supplier, corrective-action, and complaint-handling records are incomplete or undocumented.
Production capacityReported annual capacity includes 20,000 wheels, 10,000 tons of track materials, and 800 tons of metal products, supported by 11–20 quality-control staff and ISO certifications. However, the supplier states it has no in-stock service capacity, while raw-material traceability and outsourcing controls remain unknown.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization, and also provides ODM services. These statements directly support broad customization capability.
Send Inquiry
*To:
Maanshan Kingrail Technology Co., Ltd.
Maanshan Kingrail Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Railway Metro Bolt for Railway Construction Railway Crane Bolts/
US$2.85-3.15
2,000 Pieces(MOQ)
Tunnel Concrete Connecting Bolt with Nut
US$1.20-1.80
1,000 Pieces(MOQ)
Factory Wholesale High-Pressure Tolerance Diamond Neck Fish Bolt for Rail Connection
US$1.65-1.68
1,000 Pieces(MOQ)
M22 Square Head Railway Products Fish Bolt Wholesales
US$0.40-0.50
50,000 Pieces(MOQ)
Wholesale Metro Bolt Connecting Construction Bolt Subway Curved Tunnel Bolt Galvanized
US$0.40-0.60
100 Pieces(MOQ)
Hex Counted Head Thread Bolts for Tunnel Concrete
US$0.50
1,000 Pieces(MOQ)
Factory Wholesale Galvanized Railway Components High-Strength Fish Plate Bolt
US$0.65-0.93
5,000 Pieces(MOQ)
High Tensile Subway Curve Tunnel Construction Bolt for Metro Curved Segmented Bolt
US$0.40-0.60
100 Pieces(MOQ)
Factory Wholesale Hot Forging Rail Joint Assemblies Countersunk Fish Plate Bolt
US$0.65-0.93
5,000 Pieces(MOQ)
Rail Carbon Steel Railway Bolt Track Construction Fastening Elements
US$0.60-0.70
1,000 Pieces(MOQ)
Heavy-Duty Fish-Tail Bolts for Industrial Applications and Construction
US$0.10-0.20
10,000 Pieces(MOQ)
Tunnel Concrete Ring Connecting Bolts Railway Metro Bolt for Railway Construction
US$0.40-0.60
100 Pieces(MOQ)
High Grade Segment Curved Connecting Construction Bolt for Subway Curved Tunnel Bolt
US$0.40-0.60
100 Pieces(MOQ)
Railway Construction Rail T Type Bolt Rail Fasteners
US$0.88-1.00
500 Pieces(MOQ)
Reliable Fishtail Bolt for Construction and Engineering Projects
US$0.10-0.20
10,000 Pieces(MOQ)
Hot Dipped Galvanized Oval Neck Railroad Track Bolt with Square Nut for Us Railway
US$0.40-0.50
500 Pieces(MOQ)
Wholesale Carbon Steel Railroad Track Bolts Railway Fasteners Fishbolts
US$0.05-0.40
1,000 Pieces(MOQ)
Rail T Type Track Bolt Railway Fastening System Components
US$0.50-0.60
1,000 Pieces(MOQ)
Durable M24×150 Galvanized Railway Sleeper Bolt for P50 P65 Tracks
US$0.50-2.00
1,000 Pieces(MOQ)
Premium Fishtail Bolt for Construction and Heavy-Duty Tasks
US$0.10-0.20
10,000 Pieces(MOQ)



















