- Material: HSS-E
- Thread Length: 0.767 in
- Thread Standard: UNF
- Thread Size: 1/2-20
- Number of Flutes: 2
- Finish/Coating: Bright
- Chamfer Type: 2.5P-3P Modified Bottoming
- Measurement System: Imperial
- Overall Length - Decimal: 3.59 mm
- Series: 13039
- Shank Diameter - Decimal: 0.429 in
- Square Size: 0.5 in L x 0.322 in W
HY-PRO® AL STI Taps High Performance Spiral Flute STI Tap for Aluminum
OSG 1303901300 1/2-20 | UNF | 2 Flute | 50 Degree | 2.5P - 3P | Sprial Flute STI Tap