Description
7/8"-9 UNC HSS Hand Tap Set 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 7/8" cutting diameter, 2-7/32" of flute, 4-11/16" overall length and a 0.697" shank.
- HSS construction that holds a keen edge at moderate cutting speeds and regrinds easily.
- 7/8" thread at 9 threads per inch.
- Supplied as a complete set of 2 pieces.
Specifications
- Size: 7/8"-9
- Thread Size: 7/8"
- Threads per inch: 9
- Diameter: 7/8"
- Shank Size: 0.697"
- Length: 4-11/16"
- Flute Length: 2-7/32"
- Material: HSS
- Measurement Type: Inch
- Set Contents: 2 pieces
- Pack Quantity: 1
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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