How Many Types of Top Hammer Button Bits - RockHound

Top hammer drilling  threaded button bits  (commonly just called  button bits ) come in a  wide variety of types , with no single fixed number — manufacturers like  Sandvik ,  Epiroc (formerly Atlas Copco) ,  RockHound , and others offer dozens of configurations. The exact count depends on how you classify them, but they are typically grouped by  4 main categories :

1. Thread Type  (connection to drill rod) — This is the most common way to categorize them, as it determines compatibility with specific rock drills and rigs.
2. Face Design  (bit front shape) — Affects penetration, flushing, and straightness.
3. Button Shape  (carbide insert profile) — Influences speed vs. wear resistance.
4. Skirt/Body Design  (e.g., regular vs. retrac) — For stability and retrieval.