Dormer EX215-40 | 0.1378″ Diameter x 2.2047″ OAL 3 Flute Steam Tempered 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 5 with 40 TPI and 2B class of fit, dimensions according to DIN 2184-1 standard with 3.5mm shank and 2.7mm square drive, powder metallurgical HSS-E with steam tempered surface finish and 45 Degree helix angle for 2.5xD blind hole threading in general purpose applications.