OEM Hot Selling Galvanized Steel C House Bracket for FTTH Cable

1. Reduce cable maintenance expenses, avoid frequent repairs, save operating costs, and users get a better experience.

     *We have specialized QC testers to check the quality of the products according to different customers'
     requirement. Usually, it's random inspection, and we also offer 100% inspection at a reasonable price
     if required.
     *We have IQC to check the dimensions and surface of the incoming material
     *We have PQC to inspect full-course during the manufacturing processing
     *We have FQC to inspect all the anodizing/plating and other finishes' products from our supplier and
     proceed with the professional quality and appearance inspection before shipping.

    Shipping way:
    1) 0-100kg: express&air freight priority,
    2) >100kg: sea freight priority,
    3) As per customized specifications


    Packing & Delivery:
    1.Packing Detail: The product packed in bag, carton, wood case, pallet or as per the customer's
    special requirements. Besides, the custom package takes a week to prepare in advance.
    2.Delivery Detail: the fast International Shipping time takes 3 ~5 working days by DHL/UPS/FedEx,
    slow shipping time takes 7~ 8 working days by DHL/UPS/FedEx/TNT, etc.

 1. What is a Spiral Hook?
A Spiral Hook is a specialized, coiled-wire fastening device designed to provide a secure, yet easily detachable, connection point. Its defining feature is a helix-shaped wire form, typically with a closed loop or eye at one end and an open hook or another loop at the other. This coiled spring section absorbs shock, allows for movement, and provides a reliable, snag-free attachment.
2. What is the primary function of the spiral/coil section?
The coil acts as a built-in spring and shock absorber. Its primary functions are:

• Shock & Vibration Damping: It absorbs dynamic loads, prevents shock from being transferred to the anchor point or the load, and dampens vibrations.
• Flexibility & Movement Accommodation: It allows for multi-directional movement, misalignment compensation, and stretching under tension without permanent deformation.
• Tangle Prevention: The coil helps prevent the hook from catching on nearby objects, making it ideal for applications where lines or cables are deployed and retrieved.

• Marine & Boating: As anchor snubbers, dock line hooks, and for securing fenders (absorbing wave and wake shock).
• Towing & Recovery: As soft shackles or winch line hooks on vehicles and off-road equipment (reducing jerk forces).
• Agriculture & Forestry: For tensioning fence wires, securing tarps, and in logging applications.
• Transportation & Cargo Securement: For lashing and tying down loads on trucks and trailers, absorbing road vibration.
• General Industry: As a flexible linkage for hanging loads, in assembly lines, or for tool lanyards.

• By End Fittings: Hook-to-Loop, Hook-to-Hook, Loop-to-Loop(soft shackle style), Hook-to-Snap.
• By Hook Type: Safety Hook(with a spring-loaded, self-closing gate), Latch Hook, or simple Clevis Hook.
• By Coil Type: Tension Coils(coils tighten under load) and Extension Coils(coils stretch under load).

• Galvanized Steel: Most common; offers high strength and good corrosion protection for general use.
• Stainless Steel (304 or 316): For superior corrosion resistance in marine, chemical, or food-grade environments. 316 is recommended for saltwater applications.
• Zinc-Alley Coated Steel: An alternative to standard galvanizing with enhanced corrosion performance.
• Plastic-Coated Steel: The plastic sheath (often PVC or nylon) protects both the hook and the surface it contacts from scratching and provides additional corrosion resistance.

• Maximum Expected Static Load: The total weight or force the hook will hold.
• Dynamic Load Factor: For towing, marine, or recovery, forces can multiply dramatically. Choose a WLL significantly higher (often 3-5x) than the static weight to account for shock loads.
• Rope or Cable Diameter: Ensure the hook's throat opening is large enough to easily accommodate the connected item (rope, shackle, link).
• Always refer to the manufacturer's rated WLL, which should be clearly marked on the product.

1. Inspection: Before each use, inspect for cracks, deformation, corrosion, or wear-especially at the hook's bend and where the coil meets the shank.
2. Attachment: Open any safety latch fully. Place the item (rope eye, chain link, etc.) fully into the bow(the deepest part) of the hook. Never "point load" the hook tip.
3. Closing: Ensure the safety latch (if equipped) closes and locks securely. For gate-less hooks, ensure the connected item cannot accidentally slip off.
4. Tensioning: Apply load smoothly. The coil will compress or extend to absorb initial shock.

• Deformation: Any bending, twisting, or opening of the hook.
• Cracks or Fractures: Particularly at the points of highest stress.
• Corrosion: Significant rust that pits or weakens the metal.
• Wear: Reduction in material diameter, especially on the inner radius of the hook or the coils.
• Damaged Latching Mechanism: On safety hooks, ensure the spring and gate operate smoothly and lock securely.
  Replace the hook immediately if any of these defects are found.

• Spiral Hook: Has a built-in spring/shock absorber. It is designed for applications with movement, vibration, or dynamic loading. Attachment/detachment is generally quicker.
• Standard Shackle: A rigid, static link (bow or D-shaped). It is for rigid, non-flexible connections under predominantly static loads. It typically has a higher WLL for a given size but no shock absorption.

• ASME B30.10 (Hooks) in the United States.
• European Directives/Standards for machinery and lifting equipment.
• General industry best practices for inspection and discard criteria.
  For lifting applications, they must be used in accordance with a qualified person's instructions and all applicable safety regulations.

12. What is the typical service life?
Service life depends entirely on the application's severity, load cycles, and environmental conditions. There is no fixed lifespan. The hook remains in service as long as it passes the pre-use and periodic inspections outlined in the safety standards. Hooks in severe dynamic service (e.g., daily marine towing) will have a shorter service life than those in light, static duty.

      If you are interested in our products, please send message to us!