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Pole Line Square Head Machine Bolt Custom OEM High Strength Salt Spray Tested Galvanized Finish For Transformer Platform Steel
US$2.00
10,000 Pieces
Sample price:US$20.00/piece.Request sample
Product profile
Customization
AvailableTechnics
Cold PressingStandard
Non-GBModel NO.
Pole Line Square Head Machine BoltUsage
Substation Fittings, Line FittingsType
FastenersGrade
Class 4.8 & 6.8, Class 8.8, Class 10.9 & 12.9Size
M3-M100Finish
Zinc Plated/Hot DIP GalvanizedMaterial
Low Carbon Steel/Medium Carbon Steel/Alloy SteelDelivery Time
Normally in 30-40 Days.Quality
100% Professional TestService
Customized OEM ODM ServiceTransport Package
Customized BasedSpecification
Customized BasedTrademark
SOKUNOrigin
ChinaKey features
High strength carbon steel heat treated to the ordered property class is the core of this transformer platform bolt, and each heat carries a material test certificate with heat number
Strength is verified on samples from each heat against the ordered property class, and the galvanized finish is salt spray tested into the 48 to 96 hour band for M12 to M24 bolts
A transformer platform that works loose under transformer hum, wind sway and climbing loads puts every service visit at risk, so controlled hardness holds the joint preload
The salt spray tested galvanized layer keeps the nut turning freely when technicians retorque platform steel after inspections, and the square head gives a positive wrench seat
Cold heading, roll threading and heat treatment are followed by a galvanizing line whose thickness readings are kept per batch, with custom lengths made for OEM platform designs
Each batch is produced under ISO 9001 with an MTC and salt spray records for OEM transformer platform programs and distribution steelwork fabrication
Galvanizing thickness readings are kept per batch and strength is verified on samples from each heat, so the MTC and salt spray records match the bolts shipped
Matched galvanized nuts and washers can be packed per platform, and the square head fits the confined space of a transformer platform during erection
OEM transformer platform programs receive free samples, low MOQ trial orders, factory direct wholesale pricing, private marking and a 15 to 30 day lead time
10
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: ≤6.69h
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:1. What types of power line hardware and power fittings do you supply?
A:
We supply a wide range of power line hardware and power fittings for transmission and distribution systems, including suspension
clamps, strain clamps, connecting hardware, pole line hardware, U bolts, eye bolts, grounding hardware, guying hardware, anchors,
insulator fittings, OPGW/ADSS fittings, and related utility fasteners.
We also support custom products based on drawings, samples, and project specifications.
Q:2. Do you manufacture custom and non-standard power line hardware?
A:
Yes. We manufacture custom and non-standard power line hardware according to customer drawings, samples, technical specifications,
and application requirements.
Our engineering team can review dimensions, materials, tolerances, surface treatment, and manufacturing feasibility before
production. OEM and ODM services are available for utilities, EPC contractors, equipment manufacturers, wholesalers, and
distributors.
Q:3. What power line fasteners can you manufacture?
A:
We manufacture a broad range of power line fasteners and pole line bolts, including U bolts, pole line square head machine bolts,
carriage bolts, double arming bolts, eye bolts, spool bolts, threaded rods, nuts, washers, and other galvanized fasteners used in
utility structures.
Custom dimensions, threads, lengths, and configurations can also be produced according to drawings or project requirements.
Q:4. Can you supply complete power line hardware according to a BOM or project list?
A:
Yes. We can supply mixed power line hardware based on BOM lists, drawings, or project specifications.
Different products such as clamps, bolts, shackles, link plates, eye fittings, grounding components, pole line hardware, and
accessories can be consolidated into one order and shipment.
This helps EPC contractors, utilities, and distributors simplify purchasing and reduce the number of suppliers required for a
project.
Q:5. What information do you need to quote power line hardware?
A:
For an accurate quotation, please provide as much of the following information as possible:
* Product name or BOM list
* Drawings in PDF, CAD, DWG, STEP, or similar formats
* Dimensions and thread specifications
* Material requirements
* Surface treatment or galvanizing requirements
* Mechanical or load requirements
* Applicable standard, if required
* Quantity and packaging requirements
If complete specifications are not available, you can also send photos or samples for technical evaluation.
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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