The Guy Thimble, also called a cable thimble or stay wire thimble, is pole line hardware that serves as an interface fitting on pole bands, connecting guy grips, guy wires, and other components in electrical power lines and dead-end pole systems. This fitting reinforces the eye of the rope, preventing crushing and deformation during connections while its smooth internal contour and curved channel distribute stress evenly, reducing wire failure risk.
Guy thimbles are extensively used in electric power transmission and telecommunication infrastructure, commonly employed with preformed tension clamps to protect Automatic Dielectric Self-Supporting (ADSS) or Optical Ground Wire (OPGW) cables. They integrate into stay rods for connecting guy wires in anchoring setups alongside turnbuckles, shackles, and wire rope grips. Available in light and heavy duty styles, these thimbles accommodate different strand sizes with options ranging from standard to custom configurations.
The thimbles are manufactured from carbon steel or stainless steel, with carbon steel offering lighter weight but requiring corrosion-resistant coatings, while stainless steel provides inherent rust resistance for harsh environments. Hot dip galvanization compliant with International Organization for Standardization (ISO) 1461 or American Society for Testing and Materials (ASTM) A153 standards, or electro galvanization, creates a smooth, burr-free surface. The crescent-shaped body features no sharp edges, with dimensions tailored to rope diameters from 4mm to 22mm and weights varying from 0.1 kilograms upward based on material and gauge.
Guy Thimble Supplier for Enhanced Cable Protection
Guy thimble, also known as cable thimble, is used on pole band as an interface fitting to connect guy grip or guy wire. It is widely used in electric power lines and dead-end pole lines, often connecting with preformed tension clamps to support and protect ADSS/OPGW cables.
RaxPower is China’s leading ISO certified manufacturer, supplier, and exporter of Guy Thimble, based in Hebei Province with over 21 years of experience. Our team of over 170 professionals, including engineers and technicians, enables us to provide OEM and ODM services tailored to your needs.
The manufacturing process utilizes high-quality steel sheets, processed with cold punching and hot forging technologies to form crescent-shaped bodies that offer enhanced strength and precise dimensions.
We employ strict quality control, with hot dip galvanization according to ISO 1461, achieving a mean coating thickness over 85 microns for durability and corrosion resistance.
All guy thimbles undergo load testing and gauge tests per IEC 120 standards, and have passed SGS tests, ensuring uniform size and reliable performance.
Installation requires safety precautions and proper tool handling for secure attachment.
Guided by our philosophy “quality is life, reputation is base,” we ensure every product meets the highest standards. Talk to us today, and we will help you choose the best guy thimble.
| Rope Diameter (mm) | Groove Width (mm) | Overall Length (mm) | Overall Width (mm) | Inside Length (mm) | Inside Width (mm) | Material | Coating | Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| 4 | 4 | 25 | 19 | 16 | 11 | Carbon Steel | Hot Dip Galvanized | 0.05 |
| 5 | 5 | 31 | 22 | 22 | 16 | Carbon Steel | Hot Dip Galvanized | 0.06 |
| 6 | 6 | 37 | 29 | 26 | 19 | Carbon Steel | Hot Dip Galvanized | 0.07 |
| 8 | 8 | 51 | 38 | 34 | 24 | Carbon Steel | Hot Dip Galvanized | 0.09 |
| 10 | 10 | 64 | 44 | 42 | 32 | Carbon Steel | Hot Dip Galvanized | 0.10 |
| 12 | 12 | 76 | 57 | 51 | 38 | Carbon Steel | Hot Dip Galvanized | 0.12 |
| 16 | 16 | 89 | 64 | 60 | 42 | Carbon Steel | Hot Dip Galvanized | 0.15 |
| 20 | 20 | 115 | 79 | 76 | 51 | Carbon Steel | Hot Dip Galvanized | 0.20 |
| 22 | 22 | 127 | 89 | 83 | 54 | Carbon Steel | Hot Dip Galvanized | 0.25 |
Frequently Asked Questions (FAQS)
What is a guy thimble and what is its primary function?
A guy thimble, also known as a cable thimble, is a pole line hardware component used as an interface fitting on pole bands to connect guy grips or guy wires. Its primary function is to protect the rope by providing extra support, guiding the eye of the wire to form a natural curve, and increasing the strength and durability of the ropes. It is commonly used in electric power lines and dead-end pole lines, often in conjunction with tension clamps to support and protect cables like ADSS/OPGW.
What materials and surface treatments are used in guy thimble construction?
Guy thimbles are typically made from carbon steel (lighter but may rust if uncoated) or stainless steel (heavier with better corrosion resistance). Surface treatments include hot-dip galvanization (complying with ISO 1461 standards), electro galvanization, or painting to enhance durability, wear resistance, and corrosion protection for harsh environments like outdoor or marine applications.
What key specifications should I consider when selecting a guy thimble?
When selecting a guy thimble, consider the design (such as crescent shape), material type, dimensions (groove width, overall length, and width in mm), weight (in kg), and coating technology. Guy thimbles come in various types based on guy wire specifications and rope diameters, available in light or heavy duty styles. Match the thimble size to the rope diameter for proper fit, and ensure it has no sharp edges or burrs.
Can you provide an overview of the installation process for a guy thimble?
Installing a guy thimble requires safety precautions, including wearing protective gear and awareness of overhead powerlines. Steps involve site selection with adequate space, measuring distances, gathering tools, securing the base plate, raising the pole, and attaching the thimble to the eye of the rope or cable. Ensure proper sizing and tightening to prevent loosening. Use pliers for small thimbles or a vice and pipe for heavy-duty ones to open and insert components, and verify all connections are secure.
How does RaxPower ensure quality and compliance for critical infrastructure projects?
RaxPower manufactures guy thimbles using high-quality steel sheets bent with a smooth internal contour to fit various strand sizes and prevent stress concentration. We employ strict quality control, including load testing and gauge tests, to guarantee uniform size and extreme reliability. Our products are hot-dip galvanized per ISO 1461 with a smooth, burr-free finish, and hold certifications such as ISO, CE, BV, and SGS. We offer a 1-year warranty on all products.
What is your lead time and do you offer OEM services?
RaxPower maintains stock for standard guy thimble sizes, allowing immediate delivery upon payment confirmation. Large or custom orders typically ship within approximately 15 days. We provide comprehensive OEM and ODM services, designing guy thimbles according to your specific applications, allowing manufacturing clients to achieve cost savings while maintaining consistent quality. Free samples are available upon request, subject to our sample policy.
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