Chicago-Latrobe 550ASP Cobalt Drill Bit, 0.4375 in dia, 5.5 in OAL, 7/16 in - pack of 6

★★★★★ 5.0 57 reviews

$90.00
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$90.00
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Product details

Management number 214327128 Release Date 2026/04/12 List Price $36.00 Model Number 214327128
Category

Robustly built for drilling through challenging, high-tensile, and work-hardening materials. Crafted from top-tier cobalt high-speed steel, enhancing heat resistance and prolonging drill life. Straw coating provides lubrication and serves as a cobalt drill identifier. 135-degree P3 split point ensures self-centering for reduced force and simpler penetration. Drills smaller than 0.0625 inch lack a split point.

Brand Name Chicago-Latrobe
Item Length 5.5 Inches
Finish Types Black Oxide
Manufacturer Chicago-Latrobe
Material Type HSS-CO 5% (M35)
Surface Recommendation Metal, Cast Iron, Concrete, Stainless Steel, Alloy Steel

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