Sometimes, bold fonts are needed to grab attention for headlines or scale. Here are a few free examples from 1stwebdesigner.com:
1. Franchise
2. Nevis
3. SansFat
4. Hit the Road
5. MUSEO
6. Museo Slab
7. Mabella
8. Qhytsdakx
9. Bitsumishi
10. Molot
11. Bebas Neue
12. Days
13. Capricorn
14. League Gothic
15. Orbitron
16. Ambrosia
17. Gayatri
18. telegrafico
19. Can-Can de Bois
20. Sertig
21. Gabo
22. Kilogram
23. Caprica
24. Code Free
25. Coolvetica
26. Age
27. LOT
28. HeadlineNEWS
29. Oregon LDO
30. Ferrum
31. Title Wave
32. TymesLittleCaps
33. Academic M54
34. UNbreakABLE
35. Excite
36. Powdah
37. Clearwerkkraftremix
38. Laconic
39. Calluna
40. 4th and Inches
+++Thanks to 1stwebdesigner.com