The 621-27212 is a 1 1/8-12 high speed steel bottom tap for hand tapping operations. Bottom taps have 1 to 2 thread chamfer and are used for blind holes where threads need to extend close to the bottom of the hole.
This hand tap is typically used for general-purpose internal threading in blind-hole applications involving ferrous and nonferrous materials.
- Model: 621-27212
- Size: 1 1/8-12
- Type: Bottom tap
- Material: High Speed Steel
- Thread chamfer: 1 to 2 threads
- Application: General-purpose hand tapping operations