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The base contains a female thread that engages the threaded end of a compatible pole line bolt, through bolt, anchor bolt or threaded rod. Correct diameter, thread form, pitch, tolerance and engagement are essential to the integrity of the connection.
The upper eye has a curved bearing profile that guides and supports the connected strand or fitting. Compared with a narrow, unprotected contact point, the thimble profile provides a broader load-bearing path and helps reduce localized bending of a compatible guy strand or wire loop.
The eye and threaded base form one fitting. Applied force is transferred from the connected strand or hardware through the eye body and into the mating threaded component. The supporting bolt, pole structure and related fittings must be selected as part of the complete assembly.
Specification | Requirement |
|---|---|
Product name | Thimble Eye Nut |
Product type | Threaded pole line / guying hardware |
Eye configuration | Single, twin, long, angle or other form — confirm by drawing |
Thread diameter and form | Confirm for the mating bolt or threaded rod |
Material | Not confirmed; specify in the RFQ |
Manufacturing method | Not confirmed; specify or request confirmation |
Surface treatment | Not confirmed; specify required corrosion protection |
Dimensions | Confirm by drawing or part number |
Mechanical rating | Confirm with the exact product and test requirement |
Applicable standard | State the project or market standard, if required |
Marking and traceability | Specify in the purchase order |
The curved eye is intended to receive a compatible strand loop or associated line fitting. Its shape helps maintain a smoother bend radius at the contact area and provides a stable bearing surface under the intended line tension.
Performance depends on correct matching between:
the thimble eye nut;
the threaded pole line bolt or rod;
the guy strand, loop or connecting fitting;
the pole, crossarm or anchoring structure;
the applied load direction;
the installation and inspection procedure.
The eye nut must not be treated as an independent load-rated system without confirmed product data.
Subject to project approval, thimble eye nuts may be used for:
overhead power distribution structures;
telecommunications poles;
guy wire and down-guy assemblies;
dead-end wire connections;
strain insulator support assemblies;
crossarm and pole-bolt terminations;
aerial cable infrastructure;
agricultural trellis or tension-wire systems designed for compatible hardware.
Application examples do not establish a working load or guarantee suitability. The responsible engineer must approve the complete assembly.
combines a female threaded connection and a curved eye in one fitting;
provides a defined attachment point at the end of a pole line bolt;
supports compatible strand loops with a smoother bearing profile;
can reduce the need for a separate thimble in configurations designed around the integrated eye;
allows straightforward field identification and visual inspection;
supports single-piece hardware layouts in overhead line assemblies.
Confirm the mating bolt diameter, thread form, pitch, tolerance and coating allowance. Threads should engage smoothly without forcing, looseness or cross-threading.
Single, twin, long and angled configurations may serve different connection arrangements. Use a drawing or approved part number to avoid ordering the wrong eye geometry.
The strand loop, preformed fitting, shackle or other connector must seat correctly in the thimble profile. The hardware should not create point loading, binding or excessive clearance.
The applied force should follow the direction for which the assembly was designed. Side loading, twisting and unintended bending must be evaluated rather than assumed acceptable.
Outdoor utility hardware can be exposed to rain, humidity, industrial atmospheres or coastal conditions. Specify the required material, coating method, coating thickness and corrosion test where applicable.
Verify the drawing, part number, thread and mating hardware.
Inspect the eye, threaded base and bearing surface for cracks, deformation, sharp edges or coating damage.
Clean the mating threads before assembly.
Thread the nut fully onto the compatible bolt or rod.
Ensure the required thread engagement and final position are achieved.
Seat the strand loop or connecting fitting correctly in the thimble profile.
Confirm that the applied force follows the approved load path.
Check that no component is twisted, pinched or bearing on a sharp edge.
Complete the installation according to the utility or project procedure.
Record and inspect the assembly as required by the maintenance plan.
Inspect for:
cracks, bends or permanent deformation;
damaged or corroded threads;
wear or grooving in the thimble bearing surface;
excessive rust or loss of protective coating;
sharp edges that could damage the connected strand;
incomplete thread engagement;
incorrect eye orientation;
mismatched bolt, strand or connector size;
unauthorized welding, heating or field modification;
missing identification where traceability is required.
Do not use an unconfirmed catalog value as a mechanical rating.
Do not substitute a thimble eye nut for a DIN 582 lifting eye nut.
Do not use it for overhead lifting unless the exact product is specifically designed, rated and approved for that purpose.
Do not weld, heat, bend, grind or reshape the fitting.
Do not use damaged, heavily corroded or unidentified components.
Do not combine incompatible thread systems or hardware sizes.
Installation and inspection should be performed by qualified personnel.
A thimble eye nut has a curved bearing profile intended to support compatible strand or line hardware. A standard eye nut normally has a simpler circular eye and may be designed for a different application.
No. A wire rope thimble is generally a separate insert placed inside a rope eye. A thimble eye nut combines a threaded nut body with an integrated curved eye.
Not unless the exact product has verified lifting data and approval for that use. Thimble eye nuts are commonly associated with pole line and guying systems, not general lifting.
The required thread and available range must be confirmed using the mating bolt specification, drawing or part number.
Material and corrosion protection depend on the project standard and environment. Submit the required steel grade, manufacturing method, coating and test criteria with the inquiry.
For an accurate quotation, provide the product drawing or part number, eye configuration, thread specification, mating bolt, strand or connector size, required mechanical rating, material, surface treatment, quantity, destination and applicable standard.
Submit the requirement through the WF Fastener contact page. Related categories include Eye Nuts and Rigging Hardware.
