Quick facts
- Brand: toolant
- Price: USD 39.99
- Rating: 4.50 (191 reviews)
If you want cleaner chamfers and faster countersinking in metal, the toolant Noir-Ti Cobalt Countersink Drill Bit Set (Pro) is a solid upgrade. This 5-piece set pairs industrial-grade cobalt high-speed steel with a Titanium Aluminum Nitride finish designed to improve heat resistance and help the cutting edges stay sharp during demanding drilling tasks.
You can view the current price and full details on Amazon here.
Each bit features a one-piece, impact-ready 1/4″ hex shank for quick changes in compatible drivers, making it easy to move between sizes without slowing down. The set includes five pieces spanning 1/4″ to 3/4″ so you can match the countersink to common fastener and chamfering needs.
- 5-piece Pro cobalt countersink set for chamfering and drilling through metal
- Titanium Aluminum Nitride coating for high surface hardness and heat resistance
- Industrial-grade cobalt high-speed steel for strength and durability
- Impact-ready, one-piece 1/4″ hex shank for quick-change convenience
- 90-day warranty with refund/replacement support
At 4.5 stars across 191 reviews, it’s a popular pick for users who want a metal-focused countersink set with a quick-change hex format.






