E0611/4NO3
Straight flute hand tap NO3 with a 2-3xP plug lead, for Unified National Coarse thread UNC 1/4" with 20 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.2550" shank and 0.1910" square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel and copper or copper alloys
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Material: HSS
Lenxth x Diameter Ratio: 1.5
Overall Length (OAL): 2.5
Connetion Diameter: 0.255
Tool Direction: Right
Diameter Size: 1/4
TPI: 20.0
Thread Form: UNC - Unified Coarse
Shank: Cylindrical shank with Square
Usable Length: 1.063
Grade: Bright
EDP: 348468
EAN: 7320760348468
MFG Part Number: 5974930