Features:1) Twist drills, HSS, tin-coated, with 1350 split point 25pc, 1.0 - 13.0 x 0.5mm2) Twist drills, HSS, bright finishing, with 1350 split point 19pc, 1.0 - 10.0 x 0.5mm3) Twist drills, HSS Co5% (M35), gold finishing, with 1350 split point 19pc, 1.0 - 10.0 x 0.5mm4) 24pc HSS-G drills DIN 338 in rose box, 1-10 x 0.5mm and 3.3/4.2/6.8/10.2/10.5mm5) 25pc HSS-G drills DIN 338, silver finish in rose box, 1-13 x 0.5mm6) 25pc HSS-E drills DIN 338, amber finish, with split point in rose box, 1-13 x 0.5mm7) 19pc HSS-E drills DIN 338, amber finish, with split point in rose box, 1-10 x 0.5mm8) For metal cutting, high hardness
Technical data:-groun version -in set of taper,plug and bottom-tolerance6H -metric ISO thread according to DIN13Applications:All ordinary threading work for steel,cast iron,non-ferrous metal etc.Size:
HSS step drillsTechnical Data- Fully ground- With special tip- Bright finishedApplications:Ideal used for drilling large holes on sheet metal, nonferrous metal etc.Size:4-12mm4-20mm4-30mm6-38mm6-26.75