Amazon – Bosch 1/2" x 12" SDS-plus Bulldog Rotary Hammer Bit (?HC2084) – $5.04
Shipping is free with Prime or on orders of $25 or more.
Product Details:
- Carbide tipped for long life in tough applications.
- Centric tip ensures quick starts in concrete.
- Optimized brazing and hardening process for long life
- 15 percent faster (compared to S4L)
- Bosch-made carbide tip is tougher and more durable under heavy loads
Note: You need a SDS rotary hammer to use these bits, these are not designed for use with a regular hammer-drill.