Overview of Taptite Screw: Types, Advantages, Terms, Sizes and More

2023.7.22

Taptite screw is a type of self-tapping screw, to better understand and use it, here we’ll break down its definition, types, uses, advantages, and basic sizes (dimensions).

What Is a Taptite Screw?

Taptite (TAPTITE®) is a brand name for a type of tri-lobular thread forming screw. It has a unique thread design that allows it to form its own mating threads in a pre-drilled hole, eliminating the need for tapping or creating threads beforehand. Taptite screws are commonly used in various industries for fastening applications in materials like metal or plastic. They provide high resistance to vibration, increased joint integrity, and enhanced productivity in assembly processes.

 

Types and Uses of Taptite Screw

Taptite screws can be divided into STP type, CTP type, BTP type, and PTP type. STP and CTP types are mainly used for self tapping locking of steel and metal materials, while PTP types are mainly used for self tapping locking of softer plastics such as ABS and PP. BTP types can be widely used for non-ferrous metals such as steel, aluminum, copper, zinc, bakelite, and various plastics, making them the preferred screw tooth type.

 

Advantages of Taptite Screw

1. Thread-Forming Capability: Taptite screws have a unique thread design that enables them to form their own mating threads in pre-drilled holes. This eliminates the need for tapping or pre-threading, saving time and reducing costs in the assembly process.

2. Increased Joint Integrity: The thread-forming action of Taptite screws creates tight and secure connections. This improves joint integrity, reducing the risk of loosening due to vibration or other external forces.

3. High Resistance to Vibration: Taptite screws are specifically designed to provide excellent resistance to loosening caused by vibration. The unique thread design creates a locking effect that helps maintain the fastening integrity even in high-vibration environments.

4. Enhanced Productivity: The self-tapping feature of Taptite screws allows for faster and more efficient assembly operations. By eliminating the need for separate tapping processes, production time and costs can be significantly reduced.

5. Versatile Applications: Taptite screws are suitable for a wide range of applications and materials, including metal and plastic. They can be used in various industries, such as automotive, electronics, appliances, and more.

6. Wide Range of Options: Taptite screws come in different variations, coatings, and types to accommodate specific requirements. This versatility allows for customization and optimization of fastening solutions.

Main Terms and Technical Parameters of Taptite Screw

1. Screw Size: Taptite screws are available in different sizes, typically specified using standard metric or imperial measurements. The size is indicated by a combination of diameter (e.g., M4, #8) and length (e.g., 16mm, 3/4″).

2. Thread Type: Taptite screws have a unique thread design that allows them to form their own mating threads. The thread profile may vary depending on the specific Taptite type, such as Taptite 2000, Taptite II, or Taptite CA.

3. Tapping Point: Taptite screws have a specially designed tapping point at the beginning of the thread. The tapping point enables the screw to initiate the thread formation process in the pre-drilled hole.

4. Thread Diameter: This refers to the outer diameter of the screw’s threads. It is critical to select the appropriate thread diameter based on the material and the hole or nut size the screw will be used with.

5. Length: The length of a Taptite screw is typically measured from under the head to the tip of the screw. It is crucial to choose a screw length that accommodates the material thickness and the desired engagement depth.

6. Coating/Finish: Taptite screws may come with various coatings or finishes to enhance their corrosion resistance, aesthetics, or performance characteristics. Common coatings include zinc plating, black oxide coating, or specialized coatings based on application requirements.

7. Material Compatibility: Taptite screws are designed for use with various materials, including metals like steel, aluminum, and non-ferrous metals, as well as plastics like ABS and PP. It’s important to consider the material compatibility when selecting the appropriate Taptite type and parameters.

8. Torque Requirements: The torque requirement specifies the amount of turning force needed to tighten the Taptite screw. It can vary depending on factors such as screw size, material, and application. Following the recommended torque values helps ensure proper fastening and avoids over- or under-tightening.

Sizes and Dimensions of Taptite Screw

Basic Sizes of TAPTITE Screws (BTP)

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