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25/64 X 5-1/8 In. Cobalt High-Speed Drill Bit

SKU #288145 Model #288145 UPC #052088051191
25/64 x 5-1/8 In. Cobalt High-Speed Drill Bit

Master Mechanic

Regular Price
$ 13.99
Alper's Hardware + Paint Port Washington, NY
Key Features
AI Generated
  • Standard 25/64" size ensures easy replacement in common toolsets.
  • Industrial grit plus adhesive reinforcement gives the drill extra toughness.
  • Produced in China, the drill bit meets rigorous testing.
  • This bit excels at penetrating hard metals including chrome and manganese steel.
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Delivery from Alper's Hardware + Paint, 11050
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Description

AI Robot
Descriptions are AI-generated. For accurate measurements, please call the store to confirm.

Discover the 25/64‑in × 5‑1/8‑in cobalt high‑speed steel drill bit, engineered for rapid, accurate drilling in the toughest alloys. Crafted from premium high‑speed steel enriched with cobalt, this bit delivers a sleek profile and exceptional rigidity, allowing you to start holes with confidence and maintain a straight trajectory even at high RPMs.

Why it matters: The cobalt infusion grants superior heat resistance, so the bit stays sharp when temperatures soar above 1000°F. Its design minimizes walking, reduces torque, and cuts through hardened steel, stainless steel, chrome‑manganese, titanium, and even armor‑grade plates with fewer passes, saving you time and extending tool life.

Key Features & Benefits:
  • Robust Cobalt‑Infused HSS: 8 % cobalt content boosts thermal stability and wear resistance for consistent performance in high‑heat applications.
  • 135° Split‑Point Geometry: The aggressive split‑point initiates drilling instantly, eliminating the need for a pilot hole and preventing bit wander.
  • Four Precision Cutting Edges: Dual‑angle flutes provide balanced chip evacuation and smoother cuts, delivering cleaner holes in hard metals.
  • Extreme Heat Tolerance: Engineered to operate safely above 1000°F, the bit retains its edge longer when machining heat‑treated steel or titanium.
  • Optimized for Tough Materials: Ideal for drilling into hardened steel, stainless steel, chrome‑manganese alloys, titanium, and armor plate, making it a versatile choice for automotive, aerospace, and industrial repairs.

Ready for demanding projects: Whether you’re fabricating a precision component or performing heavy‑duty maintenance, this cobalt drill bit offers unmatched durability and speed. Its reliable construction reduces downtime, while the sharp split‑point ensures every hole starts cleanly and stays true. Equip your toolbox with a bit that stands up to the most aggressive materials and experience the confidence of flawless drilling every time.