Twist drill STEP DRILL Set HSS 1-10.5 mm incl. tapping hole

• Drilling of sheet metal and flat materials
• Innovative step-structured tip geometry
• Excellent self-centering
• 3-facet grinding to shank for optimal transfer of force and secure hold in the drill chuck, no possibility of slippage
• Best used on hand drills
• Low-burr drilling
• Versions:
  102669 - HSS, blank
  102668 - HSS, TiN head coating
  102667 - HSS-E, vapor-treated

Usage characteristics

• aluminum < 8% Si
• aluminum >= 8 % Si
• brass long
• brass short
• bronze long
• bronze short
• cast iron GG/GTS
• cast iron GGG
• plastic
• austenitic stainless steel
• stainless steel ferrit./martens.
• steel < 1000 N/mm2
• steel < 1400 N/mm2
• steel < 700 N/mm2