- System of Measurement: Imperial
- Thread Size: 1/4-20
- Chamfer: Bottoming
- Number of Flutes: 2
- Thread Limit: H3
- Class of Fit: 2B/3B
- Surface Treatment: Uncoated
- Material: HSS
- Thread Length: 1in
- Shank Diameter: 0.255in
- Thread Standard: UNC
- Overall Length: 2-1/2in
- Hand Direction: Right Hand
- Type: General Purpose
- Series: 5303/2303
- Through Coolant (Yes/No): Yes
- Applicable Materials: Cast Iron and Non-Ferrous Materials
- Application
- Item Features
- Standards
For blind hole applications
- Most popular style of tap
- Manufactured from select high speed steel for increased wear life
- Can be used by hand or for tapping under power
- Versatile taps for use in general machine tapping or CNC tapping applications
- Hand taps store chips in their flutes next to the chamfered teeth during the threading operation
- For threading close to the bottom of blind holes, the least efficient standard chamfer
- Uncoated taps are recommended for non-ferrous materials and cast iron
ANSI 302