Q Span Clamp
Q Span Clamp for Aerial Messenger Wire - Heavy Duty Drop Wire Fastener with Spring Latch Hook
Product Model： Q Span clamp
Product Type： Fiber Optic Tension Clamp for Overhead Cables and FTTH Drop Cables
Place of Origin： Guangdong, China – Professional Manufacturer of Power Line and Fiber Optic Hardware
Minimum Order Quantity： 100 Pieces, OEM and ODM Services Available
Packaging： Export cartons
Lead Time ：15–30 Days with Stable Production Capacity
Shipping Method：In accordance with client requirements
Standards： Manufactured in accordance with GB/T 2314, GB/T 2315, DL/T 764 and DL/T 284
Sample Service： Samples Available for Product Evaluation and Project Testing
Category Fiber Optic Cable Accessories
Get a QuoteProduct Introduction
The Q Span Clamp (also widely referred to as a mid-span clamp or drop wire fastener) is a specialized telecom and electrical infrastructure utility hardware designed to establish a secure aerial attachment point along an overhead messenger strand or guy wire. Engineered primarily for the last-mile deployment of FTTH (Fiber to the Home) infrastructure and CATV networks, this high-performance Q Span Clamp allows technicians to branch off residential drop cables safely from the main support wire without pole modifications.
Constructed to eliminate line slippage and structural fatigue under continuous crosswind loads, this commercial-grade Q Span Clamp incorporates a dual-jaw locking matrix. The main housing utilizes two precision-extruded aluminum alloy clamping plates that wrap around the messenger line, tightened firmly by a heavy-gauge central steel bolt with an integrated lock washer. Outfitted with a rugged, hot-dip galvanized steel J-hook that features a flexible stainless steel spring latch, the Q Span Clamp provides a secure, drop-proof enclosure to support service drop tension clamps without risking unhooking during severe wind storms.
Technical Parameters
| Infrastructure Connectivity Metrics | Certified Standard Specifications |
| Product Category | Q Span Clamp / Mid-Span Fastener |
| Structural Architecture | Twin Extruded Jaws + Central Locking Bolt + Latch Hook |
| Clamping Plate Material | High-Strength Corrosion-Resistant Extruded Aluminum Alloy |
| Hook & Hardware Material | Carbon Steel with Premium Hot-Dip Galvanized (HDG) |
| Safety Feature | Integrated Stainless Steel Anti-Drop Spring Tongue |
| Applicable Strand Wire Size | Max Capacity up to 1/4" to 3/8" (Φ 6mm – 10mm Steel Strand) |
| Rated Safe Working Load | ≥ 2.5 KN (Vertical/Slippage Resistance Load) |
| Climatic Temperature Range | -40 °C to +120 °C All-Weather Operation |
| Active Operational Lifespan | ≥ 25 Years Maintenance-Free |
Technical Parameters Description
Parallel Grooved Clamping Matrix : The inner jaw faces of this Q Span Clamp are precision-machined with parallel line channels, generating high friction to lock onto steel strands without causing strand fraying.
Anti-Drop Spring Latch Protection : The integrated J-hook of the Q Span Clamp is equipped with an elastic stainless steel safety latch, effectively blocking suspended cable drop fittings from sliding out during aerial vibrations.
High-Torque Single Bolt Assembly : Features a centralized heavy hex nut and spring washer system, allowing linemen to achieve maximum concentric gripping pressure on the Q Span Clamp using a single standard wrench.
All-Weather Galvanized Metallurgy : Every structural steel bolt, hook, and nut built onto the Q Span Clamp undergoes premium hot-dip zinc plating, providing supreme defense against salt spray and acidic atmospheric rain.
Universal Mid-Span Adaptive Hook : Designed with an extended offset drop angle, the hook of this Q Span Clamp keeps the attached drop lines running clear of the main support strand, preventing physical chafing.
Product Features
🔒 High Friction Slip-Free Hold : The dual extrusion jaws of the Q Span Clamp tightly grip the messenger wire, ensuring zero axial movement even when supporting multi-directional residential service line drops.
🛡 ️ Full-Metal Zero Plastic Durability : Composed entirely of marine-grade aluminum, stainless steel, and galvanized hardware, the Q Span Clamp is completely immune to UV degradation, brittle cracking, and environmental decay.
⚡ Streamlined Mid-Span Utility Creation : Eliminates the costly engineering requirement of adding extra distribution poles. The Q Span Clamp turns any point along an existing support strand into an instant cable branching hub.
🛠 ️ Rapid One-Lineman Pole Assembly : Features a compact, lightweight 4-piece integration design. Linemen can slide, torque-tighten, and interlock the Q Span Clamp manually within seconds, drastically cutting labor costs.
⏳ 25+ Years Maintenance-Free Asset : The heavy-duty structural engineering prevents low-temperature embrittlement and high-temperature deformation, offering utilities a multi-decade zero-maintenance service life.
Contact & Customization
🛠 ️ OEM & ODM Customization Services
We offer professional, flexible OEM/ODM manufacturing to meet global utility grid and telecom tender specifications for Q Span Clamp orders.
Custom via Drawings: Custom mold design based on your CAD drawings or local utility standards.
Full-Assembly Kitting : Tailored Q Span Clamp component sizing based on your specific Cable OD, span, and RTS.
Private Labeling: Custom logo stamping, laser engraving, and certified tensile load test documentation.
Welcome global utility procurement managers, telecom EPC contractors, and brand distributors to request bulk pricing and free technical samples!
- Tel: +86 199-0247-9650
- WeChat / WhatsApp: +86 199-0247-9650
- Email: sales@line-hardware.com
- Address: Guangdong, China
- Company: Guangdong Jinkaite Power Fittings Co., Ltd
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