Steam Tempered (Steam Oxide) Surface Treatment
E6513/8
UNC Combi Taps Spiral Flute 30°
Ordering number: 5978362
Combination drill-tap with a 30° spiral flute, for Unified National Coarse thread UNC 3/8" with 16 TPI and 2B class of fit, dimensions according to DORMER PRAMET-DIN standard with 10.0mm shank and 8.0mm square drive, HSS with steam tempered surface finish and 30° helix angle for 1.5xD through hole threading in free machining steel
Product Feature
Thread Form, Unified Coarse
DIN Dormer Standard
Internal Inch Thread Medium Class of Fit
Through Hole Application
1.5×D Usable Tool Depth to Diameter Ratio
High Speed Steel Tool Material
Semi-Bottoming Tap Chamfer (2 – 3 Pitch Lead)
Spiral Flute Geometry
30° Helix Angle (Flute)
Right Hand Rotation / Cutting