High alloyed steels hardness Rockwell = 40 ÷ 63 HRC
Straight fluted machine tap. 3.5 thread chamfer lead (DIN-Form D). Rake angle -3°÷-1°.
MICRO GRAIN SOLID CARBIDE Straight fluted machine tap. 3.5 thread chamfer lead (DIN-Form D). Rake angle -3°÷-1°.