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Set Name
3-Piece Step Drill Bit Set
Number of Pieces 3
Cutting Diameter 12 Millimeters
Item Dimensions
3.94 x 0.47 x 0.47 inches
Minimum Bore Diameter 4 Millimeters
Material Type
High Speed Steel (HSS)
Finish Types Titanium
Shank Type Hex
Surface Recommendation Metal
Cutting Angle String 135 Degrees
Tool Flute Type Spiral
Point Style Step Point
Number of Flutes 2
  • High speed steel along with titanium coating ensures outstanding durability and sharpness for plastic, aluminum, copper, stainless steel hole drilling
  • Two-flute design provides faster, smoother, accurate cutting and prevents metal scurf from flying around for improved safety
  • Quick change 1/4" hex shank (6.35mm)can be easily fit into power driver, drill and press drill
  • A well-organized bag included to provide users with easy storage and transport
  • Set includes: Bit #1 (5 steps): 4mm, 6mm, 8mm, 10mm, 12mm; Bit #2 (9 steps): 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm; Bit #3 (15 steps): 4mm, 6mm, 8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm, 26mm, 28mm,30mm,32mm

Drill bit set drilling on a metal block, with Workpro branding and step drill bit closeups