Ruko Twist drill set DIN 338 type VA HSSE Co 5 ground in magazine 215200

170-piece set of twist drills DIN 338 type VA HSSE Co 5 ; 10 pcs, Ø 1,0 - 8,0 mm in increments of 0,5 mm; 5 pcs, Ø 8,5 - 10,0 mm in increments of 0,5 mm - Heavy-duty, right-hand cutting, high-performance drill with pronounced thermal hardening resistance. Ideal for drilling into stainless, acid and heat-resistant, high-strength steels.; HSS Co 5:; Heavy-duty high speed steel with 5 % cobalt content. ; High ductility and heat resistance, for drilling holes in difficult-to-machine materials with a strength of up to 1100 N/mm².