Metric Alloy Steel Button Head Hex Drive Screws
| Black-Oxide Class | |||||||
| M2 × 0.4 mm Alloy Steel | |||||||
| Lg. | Threading | Min. | Head | Head | Drive | Tensile | Specifications Met |
| Thread Lg. | Dia. | Ht. | Size | Strength, psi | |||
| 3 | Fully Threaded | __ | 3.5 | 1.3 | 1.3 | 140,000 | ISO 7380 |
| 4 | Fully Threaded | __ | 3.5 | 1.3 | 1.3 | 140,000 | ISO 7380 |
| 5 | Fully Threaded | __ | 3.5 | 1.3 | 1.3 | 140,000 | ISO 7380 |
| 6 | Fully Threaded | __ | 3.5 | 1.3 | 1.3 | 140,000 | ISO 7380 |
| 8 | Fully Threaded | __ | 3.5 | 1.3 | 1.3 | 140,000 | ISO 7380 |
| 10 | Fully Threaded | __ | 3.5 | 1.3 | 1.3 | 140,000 | ISO 7380 |
| 12 | Fully Threaded | __ | 3.5 | 1.3 | 1.3 | 140,000 | ISO 7380 |
| 14 | Fully Threaded | __ | 3.5 | 1.3 | 1.3 | 140,000 | ISO 7380 |
| 16 | Fully Threaded | __ | 3.5 | 1.3 | 1.3 | 140,000 | ISO 7380 |
| M2.5 × 0.45 mm Alloy Steel | |||||||
| Lg. | Threading | Min. | Head | Head | Tensile | Specifications | Specifications Met |
| Thread Lg. | Dia. | Ht. | Strength, psi | Met | |||
| 3 | Fully Threaded | __ | 4.5 | 1.5 | 1.5 | 140,000 | ISO 7380 |
| 4 | Fully Threaded | __ | 4.5 | 1.5 | 1.5 | 140,000 | ISO 7380 |
| 5 | Fully Threaded | __ | 4.5 | 1.5 | 1.5 | 140,000 | ISO 7380 |
| 6 | Fully Threaded | __ | 4.5 | 1.5 | 1.5 | 140,000 | ISO 7380 |
| 8 | Fully Threaded | __ | 4.5 | 1.5 | 1.5 | 140,000 | ISO 7380 |
| 10 | Fully Threaded | __ | 4.5 | 1.5 | 1.5 | 140,000 | ISO 7380 |
| 12 | Fully Threaded | __ | 4.5 | 1.5 | 1.5 | 140,000 | ISO 7380 |
| 14 | Fully Threaded | __ | 4.5 | 1.5 | 1.5 | 140,000 | ISO 7380 |
| 16 | Fully Threaded | __ | 4.5 | 1.5 | 1.5 | 140,000 | ISO 7380 |
| 20 | Fully Threaded | __ | 4.5 | 1.5 | 1.5 | 140,000 | ISO 7380 |
| 25 | Fully Threaded | __ | 4.5 | 1.5 | 1.5 | 140,000 | ISO 7380 |
| M3 × 0.5 mm | |||||||
| Lg. | Threading | Min. | Head | Head | Tensile | Specifications | Specifications Met |
| Thread Lg. | Dia. | Ht. | Strength, psi | Met | |||
| 4 | Fully Threaded | __ | 5.7 | 1.65 | 2 | 140,000 | ISO 7380 |
| 5 | Fully Threaded | __ | 5.7 | 1.65 | 2 | 140,000 | ISO 7380 |
| 6 | Fully Threaded | __ | 5.7 | 1.65 | 2 | 140,000 | ISO 7380 |
| 8 | Fully Threaded | __ | 5.7 | 1.65 | 2 | 140,000 | ISO 7380 |
| 10 | Fully Threaded | __ | 5.7 | 1.65 | 2 | 140,000 | ISO 7380 |
| 12 | Fully Threaded | __ | 5.7 | 1.65 | 2 | 140,000 | ISO 7380 |
| 14 | Fully Threaded | __ | 5.7 | 1.65 | 2 | 140,000 | ISO 7380 |
| 16 | Fully Threaded | __ | 5.7 | 1.65 | 2 | 140,000 | ISO 7380 |
| 18 | Fully Threaded | __ | 5.7 | 1.65 | 2 | 140,000 | ISO 7380 |
| 20 | Fully Threaded | __ | 5.7 | 1.65 | 2 | 140,000 | ISO 7380 |
| 25 | Fully Threaded | __ | 5.7 | 1.65 | 2 | 140,000 | ISO 7380 |
| 30 | Partially Threaded | 18 | 5.7 | 1.65 | 2 | 140,000 | ISO 7380 |
| 35 | Fully Threaded | __ | 5.7 | 1.65 | 2 | 140,000 | ISO 7380 |
| 40 | Fully Threaded | __ | 5.7 | 1.65 | 2 | 140,000 | ISO 7380 |
| M4 × 0.7 mm | |||||||
| Lg. | Threading | Min. | Head | Head | Tensile | Specifications | Specifications Met |
| Thread Lg. | Dia. | Ht. | Strength, psi | Met | |||
| 5 | Fully Threaded | __ | 7.6 | 2.2 | 2.5 | 140,000 | ISO 7380 |
| 6 | Fully Threaded | __ | 7.6 | 2.2 | 2.5 | 140,000 | ISO 7380 |
| 8 | Fully Threaded | __ | 7.6 | 2.2 | 2.5 | 140,000 | ISO 7380 |
| 10 | Fully Threaded | __ | 7.6 | 2.2 | 2.5 | 140,000 | ISO 7380 |
| 12 | Fully Threaded | __ | 7.6 | 2.2 | 2.5 | 140,000 | ISO 7380 |
| 14 | Fully Threaded | __ | 7.6 | 2.2 | 2.5 | 140,000 | ISO 7380 |
| 16 | Fully Threaded | __ | 7.6 | 2.2 | 2.5 | 140,000 | ISO 7380 |
| 18 | Fully Threaded | __ | 7.6 | 2.2 | 2.5 | 140,000 | ISO 7380 |
| 20 | Fully Threaded | __ | 7.6 | 2.2 | 2.5 | 140,000 | ISO 7380 |
| 25 | Fully Threaded | __ | 7.6 | 2.2 | 2.5 | 140,000 | ISO 7380 |
| 30 | Fully Threaded | __ | 7.6 | 2.2 | 2.5 | 140,000 | ISO 7380 |
| 35 | Fully Threaded | __ | 7.6 | 2.2 | 2.5 | 140,000 | ISO 7380 |
| 40 | Fully Threaded | __ | 7.6 | 2.2 | 2.5 | 140,000 | ISO 7380 |
| 50 | Fully Threaded | __ | 7.6 | 2.2 | 2.5 | 140,000 | ISO 7380 |
