• Drill, countersink and counterbore in one step
• Working on wood and plastics
• Adjustable drilling depth
• With 1/4" hex shank for quick change on power tools
• Packed on blister card
3.2 mm: for countersink screws ø 3,5 - 4.5 mm
3.5 mm: for countersink screws ø 4,0 - 4.5 mm
4.5 mm: for countersink screws ø 5,0 - 6.0 mm
center drill could be HSS twist drill or 3-points wood working drill.
drill material: carbon steel or HSS
drill finishing: black, bright or TiN.