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4-12/4-20/4-32mm HSS Spiral Grooved Step Drill Bit Set (3 Pieces) hex shank / titanium coated / ↓ details & specifications
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3 ~ 4
5 +
Product Type Drill Bits
Color Gold
Material 4241 HSS
Package Type Plain
Package Contents 3*Drill Bits
Dimensions us | metric
Depth 50 mm
Height 110 mm
Width 70 mm
Product Weight 287 g
SKU 4993800
DATE LISTED 6/3/2016
  • Drill perfect shallow or deep holes without center punch
  • Drill in a variety of materials including steel, brass, wood, plastic, and much more
  • Can be used for chamfering, deburring, and drilling elliptical holes
  • Unique stepped construction, drill different sizes with one bit
  • Sizes are engraved on the bit for proper depth
  • Titanium coating reduces friction and heat for extended life
  • 4 - 12mm 9 Steps (4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm), 7cm(L) 
  • 4 - 20mm 9 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm), 7cm(L) 
  • 4 - 32mm 15 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm)

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  • JoinedJul 2014
  • Posts 2715
  • Reviews 493
  • Kudos2781
› Quality
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Hex shank
Useful step drills for a good price! The hex shank allows me to use them in my Makita impact driver that takes 1/4" hexes.
Reviewed on 10/9/2017 Was this review helpful to you? Yes / No
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