- System of Measurement: Imperial
- Thread Size: 1/4-20
- Chamfer: Bottoming
- Number of Flutes: 1
- Class of Fit: H3
- Surface Treatment: Titanium Nitride
- Material: Powder Metal Tool Steel
- Overall Length: 2-1/2in
- Thread Length: 3/4in
- Shank Diameter: 0.255in
- Thread Standard: UNC
- Hand Direction: Right Hand
- Type: Miniature
- Series: 12643
- Square Size: 0.191in
- Tap Drill Size: 5.75mm
- Item Features
- Chipless tapping
- Stronger threads
- Better thread gaging
- Stronger taps
- Longer tap life
- More efficient production
- Titanium nitride shiny gold colored thin film coating formed in a low temperature physical vapor deposition process, provides added lubricity for most cold forming applications using water soluble coolants, adds wear-resistance and lubricity for most cutting tap applications
- Standard configuration
- Front point removed