Dormer E0278-32 | 0.168″ Diameter x 2.125″ OAL 3 Flute Bright Coated Spiral Flute Tap – All Industrial Tool Supply

Description

Spiral flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for Unified National Coarse thread UNC 8 with 32 TPI and 3B class of fit with H2 pitch diameter limits, dimensions according to ANSI standard with 0.1680″ shank and 0.1310″ square drive, powder metallurgical HSS-E with bright finish and 45 Degree helix angle for 2.5xD blind hole threading in free machining and plain carbon steel and wrought or cast aluminium.