Machine tap, 2B, DIN 374, UNF 1/4-28 /4055/

Product specification

Code:	129000204
Category:	Tools For Threading » 1 » Machine Taps » Machine Taps - DIN 374, DIN 376 » Machina tap with righ-hand spiral flutes - DIN 374, 376 » "UNF" /4055/ DIN 374, HSSE, 2B, typ-N

No ring easily machinable steels up to 800 N/mm²; aluminium alloys; copper alloys (short chipping)
Material HSSE - super high-speed steel (5%Co)
Points	approx. 35°
Possible apllication Free cutting steels, structural steels and heat-treated steels up to 800 N/mm²; Aluminium alloys < 10% Si
Alternative use aluminium alloys > 10% Si; copper alloys (long chipping)
Order No.	4055
Tolerance	2B
Chamfer	C / 2,5P
d₁	1/4-28
P	6,35 mm
l₁	80 mm
l₂	11 mm
d₂	4,5 mm
a	3,4 mm