E2251/4
Straight flute tap with chamfer form C with a 2-3xP plug lead, for Unified National Coarse thread UNC 1/4" with 20 TPI and 2B class of fit, dimensions according to DIN 371 standard with 7.0mm shank and 5.5mm square drive, powder metallurgical HSS-E with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel
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Material: HSS-E-PM
Lenxth x Diameter Ratio: 1.5
Overall Length (OAL): 3.1496
Connetion Diameter: 0.2756
Tool Direction: Right
Diameter Size: 1/4
Thread Diameter - in: 0.25
Thread Diameter - mm: 6.35
TPI: 20.0
Thread Form: UNC - Unified Coarse
Shank: Cylindrical shank with Square
Usable Length: 1.1811
Grade: Bright
EDP: 86155
EAN: 7320760086155
MFG Part Number: 5976082