- Thread Size: 1/4-20
- Thread Limit: H4
- Class of Fit: STI 2B
- Surface Treatment: Bright
- Material: High Speed Steel-PM
- Overall Length: 2-23/32in
- Thread Length: 0.83in
- Shank Diameter: 0.318in
- Through Coolant (Yes/No): No
- Attributes (Y): Y
- Chamfer Length: 2.5
- Image (Y): Y
- Neck Length: 1-1/8in
- Nominal Size: 1/4in
- Number of Grooves: 1
- Pitch: 20
- Square Length: 3/8in
- Square Size: 0.238in
- Tap Style: Form