1/2 inch blackgold HSS maintenance length drill bit

Maintenance - Fractional Sizes

Regular price$ 23.12

BlackGold - 137° Split Point
  • Black oxide surface treatment with gold color temper
  • Stronger structure reduces breakage and tri-lobular hole effect due to flute torsion
  • Increased material for improved heat absorption and dissipation at the cutting edges
  • Improved support for better on size hole characteristics
  • Tri-Flat shank provides secure drill chuck grip that eliminates bit spin out
  • Penetrates material surface on contact preventing drill bit "skating"
  • Industrial-Grade NAS High Speed Steel (HSS)
  • Available and priced in 6 & 12 pack quantities (size specific)

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Material applications: pre-hard materials, sheet metal stack up, stainless steel, steel alloy

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