HSS M2 6542 Fully Ground Twist Drill Bits Set 1mm-10mm High Speed Steel Drill Bit for Stainless Steel Metal Drilling

Material: Premium HSS-M2(6542) High Speed SteelCraft: 100% Fully Ground ProcessingSize Range: Complete sizes 1mm to 10mmStandard: DIN338 Industrial StandardApplication: Drilling stainless steel, iron, carbon steel, alloy steel, cast ironPack: Transparent plastic storage box, neat & portable✅ Superior Raw Material – HSS-M2 (6542) High Speed SteelOur twist drill bits adopt genuine 6542 HSS-M2 high speed steel as blank material, which balances hardness and toughness perfectly.Excellent red hardness: No softening under high drilling temperature, keeps sharp cutting edge long-timeHigh wear resistance: Not easy to crack or chip during heavy-duty metal drillingStrong anti-fatigue performance, longer service life than ordinary low-speed steel drills✅ Wide Application ScenariosIdeal drilling tool for multiple hard metal materials:✔ Stainless steel / Carbon steel / Alloy steel✔ Cast iron, brass, copper, aluminum alloyPerfect for electric drill, impact drill, bench drill use; widely used in machinery repair, metal workshop, construction, home DIY handyman projects.