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| Customization: | Available |
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| Finishing: | Polishing |
| Transport Package: | 25 Kg Per Carton, 36 Cartons Per Pallet |
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| Product | A-Grade Stainless Steel Short-reach Rear Brake |
| Keyword | Rear Brake |
| Material | Stainless steel /as request & design |
| Size | as request & design |
| Surface | Plain, galvanized, blue white, YZP etc |
| Sample | Free sample can be sent for test |
| Features | Chemical resistance |
| Dimensionally accurate | |
| Corrosion resistance | |
| Wear and tear resistant |
Function
A Pole Gripper Screw is a specialized fastener designed for one primary purpose: to securely attach a bracket, clamp, or fixture to a hollow tubular pole without damaging it. Its key function is to create a very strong, slip-resistant connection while preventing the collapse or deformation of the thin-walled pole.
Think of a street light, a traffic sign, or a security camera mounted on a metal or composite tube. A Pole Gripper Screw is what allows the mounting bracket to grip that pole firmly.
Its specific functional advantages are:
• Non-Collapsing: It applies clamping force in a way that does not crush or ovalize the thin wall of the pole.
• High Clamping Force: It concentrates immense pressure on a very small area, creating a "bite" that prevents the bracket from sliding down or rotating around the pole.
• Vibration Resistance: The secure bite helps resist loosening from wind, vibration, or accidental impacts.
Structure
The unique function of the Pole Gripper Screw is achieved through its distinct, multi-part structure. It is more of an assembly than a traditional screw.
1. The Screw (The Actuator):
This is typically a standard high-strength hex head (Allen) cap screw or a setscrew. It is not self-tapping.
Function: Its job is to be turned, generating linear force that drives the other components.
2. The Gripper (The "Teeth"):
This is the most critical and distinctive component. It is a separate, small, hardened piece of metal, often shaped like a shallow cube or a flat-based cone.
Function: The gripper is placed between the tip of the screw and the surface of the pole. It is free-floating and not threaded onto the screw.
Pivoting Action: As the screw is tightened, it pushes the gripper against the curved pole wall. Because the gripper is not fixed, it can pivot and self-align to the contour of the pole, ensuring full contact.
3. The Bearing Surface (The Anvil):
This is the part of the bracket or clamp opposite the screw. It is a thick, reinforced section of the mounting hardware, directly behind the pole wall.
Function: It acts as an "anvil" or a backstop. When the screw is tightened, it pulls the gripper towards this bearing surface, effectively "sandwiching" the pole wall between them.
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