E0285/16
Spiral flute tap with chamfer form C with a 2-3xP plug lead, for Unified National Coarse thread UNC 5/16" with 18 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.3180" shank and 0.2380" square drive, powder metallurgical HSS-E with steam tempered surface finish and 45° helix angle for 2.5xD blind hole threading in general purpose applications
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Material: HSS-E-PM
Lenxth x Diameter Ratio: 2.5
Overall Length (OAL): 2.7188
Connetion Diameter: 0.318
Tool Direction: Right
Diameter Size: 5/16
TPI: 18.0
Thread Form: UNC - Unified Coarse
Shank: Cylindrical shank with Square
Usable Length: 1.3094
Grade: Steam Tempered
EDP: 581711
EAN: 7320760581711
MFG Part Number: 5974040