Chicago-Latrobe 46491 550 NAS-Type Heavy-Duty Cobalt Straw Jobber-Length Drill Bit, 0.4252 in dia Cutting, 5.5905 in OAL, 10.80 mm - pack of 6

★★★★★ 4.7 116 reviews

$90.00
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$90.00
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Product details

Management number 214315433 Release Date 2026/04/12 List Price $36.00 Model Number 214315433
Category

Engineered to NAS 907 Type J aerospace standards, these heavy-duty drills excel in tough, high-tensile materials. Crafted from top-tier cobalt high-speed steel, they feature a straw finish for added lubricity and easy identification. The 135-degree P3 split point ensures self-centering and reduced thrust for smoother penetration. Note: Sizes below 0.0625 inch lack a split point.

  • Coating: Straw
  • Material: High-quality cobalt steel
  • Type: NAS 907
  • Style: 550
  • Shank: Straight
  • Flute Length: 3.7008 inches
  • Point Angle: 135 RHS/RHC
  • Flutes: 2
  • Point Shape: Split
  • Diameter: 10.80 mm
  • Finish: Straw
Brand Name Chicago-Latrobe
Finish Types Straw
Manufacturer Chicago-Latrobe
Material Type HSS-CO 8% (M42)
Surface Recommendation Aluminum, Metal

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