New Arrivals/Restock

Chicago-Latrobe 550ASP Cobalt Drill Bit, 0.3125 in Dia, 4.5 in OAL, Pack of 6

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US$54.00 cheaper than the new price!!

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Used  US$36.00
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Product details

Management number 214327121 Release Date 2026/04/12 List Price US$36.00 Model Number 214327121
Category

Robustly built for drilling through tough, high-tensile, and work-hardening materials. Crafted from top-tier cobalt high-speed steel, enhancing hot hardness and prolonging drill lifespan. Straw finish provides lubricity and clearly marks cobalt drills. 135-degree P3 split point centers itself for reduced thrust and simpler penetration. Sizes under 0.0625 inch lack a split point.

  • Robust design for drilling through tough, high-tensile, and work-hardening materials
  • Crafted from top-tier cobalt high-speed steel for enhanced heat resistance and extended wear life
  • Straw coating provides lubrication and easily identifies cobalt drills
  • 135° P3 split point ensures self-centering for reduced thrust and easier penetration
  • Drills smaller than 0.0625 inch lack split point
Brand Name Chicago-Latrobe
Item Length 4.5 Inches
Finish Types Black Oxide
Manufacturer Chicago-Latrobe
Material Type HSS-CO 5% (M35)
Surface Recommendation Masonry, Metal

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