- System of Measurement: Imperial
- Thread Size: 0.4545in, 1/2-20
- Chamfer: Modified Bottoming
- Number of Flutes: 3
- Thread Limit: H5
- Class of Fit: 2B
- Surface Treatment: Hardslick Coated
- Material: Super HSS
- Overall Length: 3.937in
- Thread Length: 0.472in
- Shank Diameter: 0.367in
- Thread Standard: UNF
- Hand Direction: Right Hand
- Type: Blue Ring High Performance
- Series: BK Series
- Through Coolant (Yes/No): Yes
- Flute Direction: Right Hand
- Application
- Item Features
- Standards
Blind Hole Applications
- Use in a wide range of tapping equipment with synchronous or non-synchronous tapping cycles
- Super HSS for prevention of oversized threads
- Heat treated and heat-resistant steels, <850 N/sq-mm Rm, <=1200 N/sq-mm Rm
DIN/ANSI Specified