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Double Arming Bolt Bulk Supply Hot Dip Galvanized Pole Grade Long Length MTC Supplied For Double Crossarm And Insulator Mounting
US$2.00
10,000 Pieces
Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Technics

Cold Pressing

Standard

Non-GB

Model NO.

Double Arming Bolt

Usage

Substation Fittings, Line Fittings

Type

Fasteners

Grade

Class 4.8 & 6.8, Class 8.8, Class 10.9 & 12.9

Size

M3-M100

Finish

Zinc Plated/Hot DIP Galvanized

Material

Low Carbon Steel/Medium Carbon Steel/Alloy Steel

Delivery Time

Normally in 30-40 Days.

Quality

100% Professional Test

Service

Customized OEM ODM Service

Transport Package

Customized Based

Specification

Customized Based

Trademark

SOKUN

Origin

China

Key features

Pole grade carbon steel forms this long hot dip galvanized double arming bolt, and each heat is documented with an MTC and heat number before the long shafts are galvanized
The long square head machine bolt practice of pole line hardware is followed with M16 to M24 threads and shafts sized for double crossarm stack, spacer and protruding thread allowance
When two arms sag out of parallel the insulator string misaligns and clearance margins shrink; one long through bolt clamps both arms in a single plane to hold them parallel
The galvanized coating keeps the exposed thread end sound so the top nut can be re-tensioned after line maintenance, on a fastener rated for the full service life of the pole
Long blanks are cold forged and headed at the square end, roll threaded, hot dip galvanized with batch coating checks and straightened for transit, with OEM long length service
Manufacturing follows ISO 9001 and every batch is released with MTC, coating reports and dimensional certificates for pole line contractors and utility quality files
Batches are controlled by heat with coating thickness and mechanical properties verified before dispatch, so repeat orders can be released against the approved drawing
Cartons, drums or pallets are used per order, and spacer sleeves, square nuts and washers can be kitted with each bolt so insulator mounting crews get one full bundle
Bulk supply pricing, OEM service, low MOQ trial orders, free samples and a 15 to 30 day lead time are offered factory direct to pole line contractors and utility buyers
10

Company profile

Ningbo Yinzhou Sokun Import and Export Co., Ltd.
High Repeat Buyers ChoiceODM ServicesR&D CapabilitiesProduction Process Visualization
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: ≤5.80h

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.

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