5/16 X 4-1/2 In. Cobalt High-speed Drill Bit

Discover the precision of the 5/16" x 4-1/2" Cobalt High‑Speed Drill Bit, engineered for rapid penetration and superior control. Designed with a 135° split‑point geometry and four expertly ground cutting edges, this bit minimizes wobble and advances straight through tough material. Its cobalt‑enhanced high‑speed steel tolerates temperatures above 1000°F, making it ideal for demanding drilling tasks in industrial workshops across , .

Benefits: The cobalt alloy delivers exceptional heat resistance, allowing continuous drilling without loss of sharpness, while the split‑point tip reduces the need for pilot holes and speeds up job completion. Professionals in automotive repair, metal fabrication, and aerospace engineering will appreciate the consistent feed rates and reduced bit wear, delivering reliable performance in every application.

• Cobalt‑Infused HSS: High‑speed steel blended with 8% cobalt provides superior hardness and heat tolerance for drilling hardened steel and exotic alloys.
• 135° Split Point: The sharp split‑point design initiates cutting instantly, eliminating walking and improving accuracy on hard metals.
• Four Cutting Edges: Multiple edges disperse cutting forces, extending tool life and ensuring smooth chip evacuation.
• Versatile Material Compatibility: Perfect for heat‑treated steel, stainless steel, chrome‑moly, manganese steel, titanium, and armor plate applications.
• Precision Dimensions: 5/16" diameter and 4‑1/2" shank fit standard drill chucks, delivering consistent torque and alignment.

Why Choose This Bit: Combining rugged durability with high‑speed efficiency, this drill bit stands out as a go‑to solution for any professional needing reliable performance on the toughest metals. Experience reduced downtime and cleaner holes, whether you’re working in a garage in or a manufacturing floor in . Visit Carter's General Store in , to see the bit in action and equip your toolbox today!