Bosch HC2104 Bulldog SDS-Plus Rotary Hammer Bit (5/8" x 12")

What people love (and don’t love)

What people love

Drills through concrete and brick with ease and accuracy.
High-quality, durable construction that holds up after many uses.
Fits well in hammer drills and is quick to insert and remove.
Maintains sharpness and shows minimal wear after extensive use.
Good price, especially when purchased on sale.
Trusted Bosch brand reputation for reliability.

What people don’t love

Some users noted the need to pause and let the drill cool during heavy use.
Durability long-term not confirmed by all buyers yet.
Price can fluctuate and increase quickly after promotions.

A reliable and well-made concrete drill bit that performs efficiently and offers great value for the price.

Summary based on customer review evidence.

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Quick facts

Brand: Bosch
Price: USD 16.99
Rating: 4.70 (8119 reviews)

The Bosch HC2104 Bulldog SDS-Plus Rotary Hammer Bit is a purpose-built concrete bit designed for anchoring and through-hole applications. With a Bosch-made carbide tip and an optimized brazing and hardening process, it’s engineered for durability under heavy loads and consistent performance on the job.

You can view the current price and full details on Amazon here.

This bit is designed to drill faster (15% faster compared to S4L) while helping you get more holes per bit thanks to Bosch’s proprietary hardening process—making it a solid pick for contractors and serious DIYers who want dependable results in concrete.