What are the different types of taps?

## Types of Taps.

### 1. Hand Taps.

Hand taps are the most common type of taps used for threading holes manually. They have a square end for use with a tap wrench and are available in different thread sizes and pitches. Hand taps are used for cutting threads in a wide range of materials including metal, wood, and plastic.

### 2. Machine Taps.

Machine taps are designed to be used with power tools such as drill presses and lathes. They are made of high-speed steel and have a spiral or straight fluted design for efficient chip removal. Machine taps come in various configurations including bottoming, plug, and taper taps to suit different threading needs.

### 3. Pipe Taps.

Pipe taps are used for tapping threads in pipes and fittings. They are available in both tapered and straight designs for NPT (National Pipe Thread) and NPS (National Pipe Straight) threads. Pipe taps have a specific thread pitch suited for pipe threads, ensuring a tight and leak-free connection.

### 4. Spiral Flute Taps.

Spiral flute taps are designed for tapping blind holes where chips need to be evacuated upwards. The spiral flutes help to pull the chips out of the hole as the tap cuts the threads. Spiral flute taps are commonly used in aluminum, copper, and other soft materials.

### 5. Spiral Point Taps.

Spiral point taps, also known as gun taps, have a pointed end that pushes the chips ahead of the tap as it cuts the threads. This design is ideal for through holes as it eliminates the need to reverse the tap to break the chips. Spiral point taps are commonly used in high-volume production environments.

### Conclusion.

In conclusion, there are several types of taps available for various threading applications. Hand taps are suitable for manual threading, while machine taps are used with power tools. Pipe taps are designed for tapping pipe threads, while spiral flute taps and spiral point taps are specialized for specific threading requirements. It is important to select the right type of tap based on the material and threading application to achieve accurate and precise results.

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