Product details : CUTLINE 885566 HSS UNF SPIRAL POINT TAP 1/2 X 20 INCH
• ISO 529
• Tap tolerance: Class 2 for 2B fit
• Chamfer thread: 3-4
• Cutting rake: 7°
• Flute geometry: Spiral point
• Surface treatment: Bright
• Application: General purpose tapping for through holes