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Heavy-Duty Industrial Double End Bolts for Ultimate Strength
US$1.00
10-999 Pieces
US$0.30
1,000-1,999 Pieces
US$0.20
2,000+ Pieces
Product profile
Customization
AvailableMaterial
Carbon SteelConnection
Common BoltHead Style
/Grade
/Finish
ZincStandards
GB, DIN, ISO, JISFinished
Passivation, Zinc Plating, Black, PlainSize
M5X10mm-M100X3000mmProductioncapacity
300tons/MonthSample
AvaliableDelivery Time
15-30Transport Package
Cartons & Pallets or According to Customer''s RequSpecification
/Trademark
SOKUNOrigin
ZhejiangHS Code
7318150000Production Capacity
100000000Key features
Extensive Size Range: Available in sizes from M5x10mm to M100x3000mm to meet diverse industrial needs.
Multiple Material Options: Offered in Carbon Steel, Stainless Steel (A2/A4/316), and Alloy Steel for various environments.
Diverse Surface Finishes: Options include Zinc Plating, Passivation, Black, Plain, HDG, and Nickel Plating.
ISO Certified Manufacturing: Established in 2009, we are an ISO-certified manufacturer with rigorous quality protocols.
Rigorous Quality Assurance: Two-stage QA includes pre-production sampling and full batch torque/salt spray testing.
Flexible Customization: Supports customization from samples, designs, and full customization for non-standard parts.
Global Supply Capability: Production capacity of 300 tons/month serves markets in North America, Europe, and Asia.
Free Sample Availability: Free standard samples (1-3 pcs) available with express shipping via DHL/UPS/FedEx.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤4.93h
AI-Powered supplier vetting
SummarySokun is a limited company with 21 employees, related companies, and product coverage including fasteners, machined parts, and stamping parts. It supports customization from samples and designs, offers ODM services, and reports OEM service for well-known brands. Quality processes include quality assurance, documented inspection instructions, and complaint-handling records, although finished-product inspection is random and only one quality inspector is reported. Production-related strengths include in-stock capability, CNC and punching equipment, and one-month stated lead times in both peak and off-season periods. Key limitations are the absence of a valid manufacturing-capacity contract with related subcontractors, no overseas warehouse, branches, agents, or showrooms, and no documented R&D audit materials, new products in the past year, or R&D patents. Financial credibility cannot be determined from the provided information.
After-Sales capabilityThe supplier has a clear customer-complaint procedure with followed records and accepts several quotation and payment terms. However, it has no overseas warehouse, showroom, agent, or branch, and reports zero countries with overseas services, limiting evidence of localized after-sales support.
R&D capabilityThe supplier provides ODM and multiple customization-based design services, but reports no new products during the past year, no available SDK, no R&D audit documentation, and zero R&D patents. These facts indicate design support but limited documented evidence of independent innovation.
Production capacityProduction evidence includes CNC and punching equipment, in-stock capability, one-month lead times in both peak and off-season, and a product scope aligned with machined and stamping parts. Nevertheless, there is no valid manufacturing-capacity contract with related subcontractors, which creates a documented capacity-governance weakness.
Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, flexible customization, and minor customization, and also offers ODM services. This is direct evidence of broad customization capability.
Product Q&A
Q:What materials are available for these bolts?
A:
We offer Carbon Steel, Low Carbon Steel, Medium Carbon Steel, Alloy Steel, and Stainless Steel grades including A2, A4, 314, and 316.
Q:What is the standard size range?
A:
The standard size range covers M5x10mm to M100x3000mm, accommodating various industrial requirements.
Q:What surface finishes are provided?
A:
Available finishes include Passivation, Zinc Plating, Black, Plain, HDG, Yellow Zinc Plated, Chromed, and Nickel Plated.
Q:What is the delivery time for orders?
A:
Normally, delivery takes 30-40 days. During peak season, lead time is 1-3 months, while off-season is about one month.
Q:Can I get free samples?
A:
Yes, free samples (1-3 pcs of standard specifications) are available. Sample costs are refundable upon bulk order confirmation.
Send Inquiry
*To:
Ningbo Yinzhou Sokun Import and Export Co., Ltd.
Ningbo Yinzhou Sokun Import and Export Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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