| Customization: | Available |
|---|---|
| Material: | Stainless Steel |
| Type: | T Head |
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| Product | Stainless Steel A2-70 Hammerkopf T Bolt M10*40 |
| Keyword | T Bolt |
| Material | Stainless steel 304&316&201/as request & design |
| Size | M10*40 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:
T-type bolts, also known as T-bolts, are a specialized class of fasteners characterized by their distinctive "T-shaped" head. They are primarily designed to be inserted into and slide along T-shaped slots or grooves, commonly found in machine tool tables, workholding fixtures, structural frameworks, and various industrial equipment. Below is a detailed breakdown of their structure and multifaceted functions, synthesized from the provided search results.
Structure:
The anatomy of a T-bolt can be broken down into several key components, each contributing to its overall functionality:
T-Head (T-Type Head): This is the most distinguishing feature. The head is shaped like an inverted "T" or a hammerhead . Its design allows it to be inserted into the open end of a T-slot and then slid into position. To enhance grip and prevent rotation or loosening under vibration, the underside of the T-head often features anti-slip features like micro-serrations or teeth or a parallelogram shape that provides a tighter lock within the slot compared to a simple rectangle.
Neck: Connecting the head to the shaft is the neck. In many designs, this neck can be a simple cylindrical section. However, some high-performance variants, like the T-type square neck bolt (DIN 186) , feature a square neck right below the head. This square section engages with the sides of the T-slot, providing superior anti-rotation capability, ensuring the bolt does not turn when the nut is being tightened or loosened.
Shaft (Shank/Stud): The shaft extends from the neck. It often consists of multiple segments:
Shoulder (Light Rod): The upper part of the shaft may be a smooth, unthreaded light rod. This section allows for precise positioning and bears shear forces before the threaded section engages.
Threaded Section: The lower part of the shaft is threaded to accept a nut. Advanced designs feature sophisticated threading for extreme conditions. For instance, some patents describe a shaft with two segments of opposite thread directions (e.g., one left-hand and one right-hand thread) When corresponding nuts are tightened on these segments, they create a self-locking mechanism, highly resistant to vibration in demanding environments like rail transportation or high-speed machinery.
End Point: The very end of the threaded shaft may be chamfered (e.g., 28°) to facilitate easier insertion into nuts. Some designs intended for use in pre-embedded channels have a square end , allowing it to be gripped and turned 90 degrees with a wrench for easy installation and removal from the slot.
The unique structure of T-bolts enables a range of critical functions across diverse industries:
Secure and Releasable Fastening in T-Slots: Their primary function is to provide a strong, clamping force in systems with T-slots. The T-head engages underneath the shoulders of the slot. When the nut on the threaded shaft is tightened, it pulls the bolt upward, securely locking the workpiece (like a machine part, fixture, or structural element) between the nut and the base material containing the T-slot. This allows for flexible positioning and firm holding. A key advantage is that they enable disassembly without fully removing the bolt; loosening the nut allows the T-head to slide within the slot, freeing the workpiece
Superior Vibration Resistance and Anti-Loosening: A significant functional advantage of specialized T-bolts is their enhanced performance in high-vibration environments. Designs featuring reverse-direction threads on the same shaft and serrated or toothed undersides on the T-head are engineered to prevent self-loosening. This is crucial in applications subjected to constant shaking or dynamic loads, such as in rail vehicles industrial machinery, and material handling equipment, ensuring long-term joint integrity and safety.
Rapid Assembly, Disassembly, and Adjustment: The design allows for quick and tool-less initial placement into the slot. Components can be easily repositioned along the length of the T-track by simply sliding the bolt. This facilitates highly adjustable and modular assembly systems, making them ideal for applications like industrial assembly lines, jigs and fixtures, exhibition stands, and furniture Bolts with square ends further speed up installation and removal from pre-embedded channels
Application in Specialized Clamping Systems: T-bolts are integral components in powerful clamping systems. For example, they are used in T-bolt clamps for securing hoses, pipes, or cables in automotive and industrial settings, and in high-pressure pipe clamps or band clamps In these clamps, the T-head is typically captured within a housing, and tightening the nut tensions the band, creating a secure, leak-resistant seal around a connection.
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