• Thread Size (Inch): 5/16"-24
• Finish/Coating: Black Oxide
• Material: HSSE-V3
• Thread Direction: Right Hand
• Flute Direction: Right
• Through Coolant: No
• Chamfer: 2.5P
• Number of Flutes: 2
• Thread Limit: H3
High performance taps with special geometries & bright finish for Aluminum. • Bright finish • 45º Spiral flute