E5245/16NO1
Straight flute hand tap NO1 with a 6-8xP taper lead, for Unified National Fine thread UNF 5/16" with 24 TPI and 2B class of fit, dimensions according to ISO 529 standard with 8.0mm shank and 6.3mm 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): 2.8346
Connetion Diameter: 0.315
Tool Direction: Right
Diameter Size: 5/16
Thread Diameter - in: 0.3125
Thread Diameter - mm: 7.938
TPI: 24.0
Thread Form: UNF - Unified Fine
Shank: Cylindrical shank with Square
Usable Length: 1.1417
Grade: Bright
EDP: 153499
EAN: 7320760153499
MFG Part Number: 5976098