red cobalt hss-g din 338 Drill Bit for metal. 5.0mm

metal puuriterad. which is grinded strong excellent kuumuskindlusega koobaltsulam-kiirlõiketerasest according to standard DIN 338. polished finish. Lõhistipuga lõikeots 135° tipunurgaga for better tsentreerimiseks - punch pole needed to use. contain 5% koobaltit. black against for the big puurimiskuumusele. N-type tööosa. normaalnurgaga. suitable for highly alloyed steel and metals (tõmbetugevusega over 1000 N/mm²). like kuumus- and happekindlad terased and stainless steel. for drilling. 3 point handle starting from 5 mm. drill bit kindlamaks for fixing. color: bronze.