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Product profile
Customization
AvailableStandard
DINMaterial
Medium Carbon SteelModel NO.
M30X100Connection
AssembleSurface Treatment
HDGHead Type
HexagonTransport Package
25kg/BagSpecification
M30X100Trademark
QBHOrigin
ChinaHS Code
7318159001Production Capacity
200ton/MonthKey features
High-Quality S45C Material: Made from JIS G4051 S45C medium carbon steel with excellent weldability and machinability.
DIN Standard Compliance: Bolts meet DIN931 standard and nuts meet DIN934 standard for precise engineering fit.
HDG Surface Treatment: Hot-dip galvanized finish provides superior corrosion resistance and durability.
Versatile Heat Treatment: Capable of full annealing, normalizing, hardening, and tempering for various strength requirements.
Wide Application Range: Ideal for motor shafts, automotive parts, and general machinery manufacturing components.
Robust Mechanical Properties: Tensile strength up to 686 MPa after quenching and tempering for high-load applications.
Global Market Reach: Exporting to North America, Europe, Asia, and other major international markets since 2004.
Flexible Payment Options: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments for convenience.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2004-01-10Nearest Port: SHANGHAI, NINGBOAverage Response Time: ≤15hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, EXW, Others
AI-Powered supplier vetting
SummaryJiaxing City Qunbang Hardware Co., Ltd. is identified as a limited trading company supplying fasteners, including bolts, nuts, thread rods, washers, and related products. It reports more than 10 production lines, stated bolt and nut output, broad export-market coverage, and access to Shanghai and Ningbo ports. The supplier has documented procedures and records for corrective/preventive actions, complaint handling, supplier approval, and service-capability assessment. It provides 3D software design, ODM, and customization from designs or samples, and reports OEM service for known brands. However, no certification information is provided, overseas showrooms or agents are absent, no offline trade-show participation is reported, and recent new-product activity, environmental assessment, and fire-drill status are either negative or unknown. Financial records are referenced for multiple years, but the provided information does not establish financial strength.
Supplier typeThe supplier is explicitly classified as a limited trading company. Its stated business scope covers hardware, fasteners, plastic products, molds, and import/export activities, while its company description also presents production, design, sales, and after-sales functions.
After-Sales capabilityThe supplier has clear procedures and followed records for corrective and preventive actions, customer complaints, approved-supplier updates, and service-capability assessment. It is located near Shanghai and Ningbo ports, but reports no overseas showroom, overseas agent or branch, and no offline trade-show participation.
R&D capabilityThe supplier provides 3D software design, has CAD capability, reports one R&D patent and one registered trademark, offers ODM services, and has an available SDK. Conversely, it reports no new products in the previous year and no private-mold capability, indicating documented but limited evidence of ongoing innovation.
Production capacityThe supplier reports more than 10 production lines, annual bolt output of 4,000 tons and nut output of 5,000 tons, with off-peak lead time within 15 working days. Its stated product range and proximity to Shanghai and Ningbo ports further support operational and export capability.
Customization capabilityCustomization from customer designs and samples is explicitly available, together with 3D software design, ODM services, OEM service for known brands, CAD capability, and SDK availability. The absence of private-mold capability limits the documented customization scope but does not negate the stated services.
Product Q&A
Q:What material is used for these bolts and nuts?
A:
They are manufactured from S45C medium carbon steel, which belongs to the JIS G4051 standard.
Q:Which standards do the bolts and nuts comply with?
A:
The bolts comply with DIN931 and the nuts comply with DIN934 standards.
Q:What surface treatment is applied to the products?
A:
The products undergo Hot-Dip Galvanizing (HDG) treatment, with nuts galvanized after tapping.
Q:Can S45C steel be heat treated?
A:
Yes, S45C steel is heat treatable and can undergo full annealing, normalizing, hardening, and tempering.
Q:What are the common applications for this steel grade?
A:
It is widely used for motor shafts, automotive parts, and various machinery manufacturing components.
Send Inquiry
*To:
Jiaxing City Qunbang Hardware Co., Ltd.
Jiaxing City Qunbang Hardware Co., Ltd.*Content:
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