1/2 inch blackgold parabolic jobber length drill bit

Jobber - Wire Sizes

Regular price$ 76.04

BlackGold Parabolic - 135° Split Point
  • Black oxide surface treatment with gold color temper
  • Precision CNC machined for faster, more efficient chip removal
  • Split point tip for improved accuracy and control – penetrates surface on contact and prevents drill bit "walking" (3/32" to 1/2")
  • Heavy-duty web improves strength and structural stability
  • Flatter web taper for more consistent chip evacuation
  • High helix enhances lift and reduces chip turbulence
  • Parabolic, wide flutes for superior performance in deep-hole drilling
  • Industrial-grade NAS High Speed Steel (HSS)
  • Available and priced in 12 pack quantities

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    Material applications: aluminum, copper, brass, plastic, steel (low and medium carbon), steel alloy

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