Stub Drill Bit, Left Hand, Cobalt Steel, 1/2-in.

Introducing the Century Drill & Tool 1/2 inch Left Hand Cobalt Stub Drill Bit, now available at Killingworth True Value in Killingworth, CT. This specialized drill bit is expertly designed to assist in the removal of right-hand threaded broken bolts or studs without causing further tightening. Whether you are a professional mechanic or a dedicated DIY enthusiast in Killingworth, this drill bit is an essential tool for tackling challenging extraction tasks.

• 1/2 inch left hand drill bit: Specifically engineered to rotate counterclockwise, making it ideal for removing right-hand threaded fasteners.


• Flute length of 2-7/8 inches: Provides sufficient cutting depth for effective drilling into broken bolts or studs.


• Overall length of 5 inches: Offers a balanced size for precision and control during use.


• 135-degree split point: Designed to reduce walking and improve accuracy when starting the drilling process.


• Premium cobalt steel construction: Ensures durability and long-lasting performance even under demanding conditions.


• Polished finish: Enhances the bit’s resistance to wear and corrosion, extending its service life.

This drill bit is commonly used alongside screw extractors, making it an invaluable companion for removing stubborn bolts or studs that are difficult to extract by conventional means. In Killingworth, professionals working in automotive repair, machinery maintenance, or metal fabrication will find this tool indispensable for restoring equipment efficiently. DIY enthusiasts can also benefit from having this drill bit on hand for home improvement projects that involve repairing or replacing damaged fasteners.



Imagine confidently addressing broken bolt issues on engines, machinery, or structural components with the precision and reliability offered by this left hand cobalt stub drill bit. Its robust design and specialized features help minimize damage to surrounding materials, saving time and effort during repairs.



In summary, the Century Drill & Tool 1/2 inch Left Hand Cobalt Stub Drill Bit is a must-have for anyone in Killingworth, CT who needs a dependable solution for removing right-hand threaded broken bolts or studs. Available now at Killingworth True Value, this drill bit combines quality craftsmanship with practical design to support your toughest extraction challenges.