Quick Answer
❌ No. TSA prohibits hammers in carry-on luggage because they can be used as blunt weapons.
✅ Hammers are allowed in checked luggage with no size restrictions.
⚠️ Must be packed securely to prevent injury to baggage handlers.
Details
- Carry-on:
- All hammers, mallets, and similar striking tools are banned.
- Includes claw hammers, ball-peen hammers, sledgehammers, and rubber mallets.
- Checked luggage:
- Any size/type of hammer is permitted.
- Pack carefully in a tool case or wrap in clothing to prevent damage.
- Other tools:
- Screwdrivers, wrenches, and pliers ≤ 7 inches are allowed in carry-on, but hammers are always prohibited in cabins.
- International flights:
- Most countries enforce the same rule — hammers only allowed in checked luggage.
TSA Hammer Rules Summary
| Tool Type | Carry-On | Checked |
|---|---|---|
| Standard hammer | ❌ Not allowed | ✅ Allowed |
| Sledgehammer / heavy tools | ❌ Not allowed | ✅ Allowed |
| Rubber mallet | ❌ Not allowed | ✅ Allowed |
| Small craft hammer | ❌ Not allowed | ✅ Allowed |
Gotchas / Common Issues
- ✈️ No size exceptions: Even very small hammers are banned in cabins.
- ✈️ Toolkits: If your toolkit contains a hammer, it must go in checked luggage.
- ✈️ International flights: Hammer rules are strict worldwide — expect confiscation if packed in carry-on.
- ✈️ Checked bag safety: Wrap hammers to avoid shifting or damaging your luggage.