F2437 Types and Recommended Fasteners
| Style/Grade | Cap Screw, Bolt, Anchor, or Stud | Hex or Heavy Hex Nut | Flat Washer |
|---|---|---|---|
| Style 2, Grade 55 | F1554G55 or A307 | A194-2H/A563 Gr.A/C/DH | F436 |
| Style 2, Grade 105 | A193 B7 or F1554G105 | A194-2H / A563 DH | F436 |
| Style 1, Grade 5 | A449/A354 Gr.BC or SAE J429 Gr.5 | A563 Gr. B/C/D/DH or SAE J995 Gr.5 | F436 |
| Style 1, Grade 8 | A354 BD or SAE J429 Gr.8 | A563 Gr.D/DH or SAE J995 Gr.8 | F436 |