- Thread Size: 1/4-20
- Thread Type: UN
- Cutter Diameter Inch: 0.18in
- Surface Treatment: AlTiN Coated
- Number of Flutes: 3
- Shank Diameter: 3/16 in, 3/16in
- Country of Origin: US
- Cutting Diameter: 0.18 in
- Length of Cut: 1/2 in, 1/2in
- Manufacturer Name: Harvey Tool
- Material: Solid Carbide
- Overall Length: 2-1/2 in, 2-1/2in
- Type: Helical Flute Imperial Multi-Form
- Item Features
- AlTiN coating works great in steels up to 60RC
- Cuts internal and external 60 deg UN threads
- Mills right hand and left hand threads
- Able to cut larger threads of the same pitch