Ruko Twist drill set DIN 338 type TL 3000 HSSE Co 5 ground in plastic case (ABS) 229214RO

19-piece set of twist drills DIN 338 type TL 3000 HSSE Co 5 ; Ø 1,0 mm up to 10,0 mm in increments of 0,5 mm - Very stable multi-range drill with outstanding thermal resistance, reinforced drill core and a parabolic chip groove for optimized chip removal. Ideal for drilling into materials with medium and long chip lengths. Due to its thick core and special chip groove with a rounded rear edge, this drill is ideally suited for heavy-duty applications. It covers a wide range for types N, H and W.; 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.