Bright (uncoated)
E6531
HSS Drill-Tap Combination Tool with 27° Spiral Flute, NPT, ANSI Standard
Ordering number: 5978386
Combination drill-tap with a 27° spiral flute, for National Pipe Taper thread NPT 1" with 11.5 TPI and Normal class of fit, dimensions according to ANSI standard with 1.1250" shank and 1.1250" square drive, HSS with bright finish and 27° helix angle for 1.5xD through or blind hole threading in free machining steel
Product Feature
Thread Form, American National Pipe Taper
ANSI – Tap Standards
Normal Fit Class for Pipe Thread
Through or Blind Hole Application
1.5×D Usable Tool Depth to Diameter Ratio
High Speed Steel Tool Material
Spiral Flute Geometry
27° Helix Angle (Flute)
Right Hand Rotation / Cutting