Description
#3-56 UNF CS Bottoming Hand Tap for cutting internal threads by hand or in a tapping head. Cutting edges on the chamfered lead progressively form the thread as the tap advances, with straight flutes carrying chips back out of the hole. This size has a #3 cutting diameter, 1/2" of flute, 1-13/16" overall length and a 0.11" shank.
- Carbon Steel construction that suits hand use and softer material where cutting speeds stay low.
- Uncoated (Bright) finish, leaves the edge bare for free cutting.
- #3 thread at 56 threads per inch.
- Supplied 20 per package.
Specifications
- Size: #3-56
- Thread Size: #3
- Threads per inch: 56
- Diameter: #3
- Shank Size: 0.11"
- Length: 1-13/16"
- Flute Length: 1/2"
- Material: Carbon Steel
- Finish: Uncoated (Bright)
- Measurement Type: Inch
- Pack Quantity: 20
Applications
For threading by hand with a tap wrench or in a tapping head, in steel, cast iron, aluminum and brass. Taper for starting, plug for general work, bottoming for threading to the base of a blind hole.
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