Table 5.
Bill of mechanic materials.
| Designator | Component | Qty | Cost per unit(￥) | Total cost(￥) | Material |
|---|---|---|---|---|---|
| Hexagon socket head cap screws | M4 × 8 mm | 50 | 5.2 | 5.2 | steel |
| Hexagon socket head cap screws | M4 × 16 mm | 8 | 0.146 | 1.168 | steel |
| Hexagon socket head cap screws | M2 × 16 mm | 1 | 0.063 | 0.063 | steel |
| Hexagon socket head cap screws | M4 × 12 | 14 | 0.118 | 1.652 | steel |
| Hexagon socket head cap screws | M4 × 20 | 3 | 0.175 | 0.525 | steel |
| Hexagon socket head cap screws | M4 × 45 | 5 | 0.35 | 1.75 | steel |
| Hexagon socket head cap screws | M4 × 25 | 4 | 0.086 | 0.344 | steel |
| Hexagon socket head cap screws | M4 × 10 | 8 | 0.56 | 4.48 | steel |
| Hexagon socket head cap screws | M5 × 16 mm | 8 | 0.099 | 0.792 | steel |
| Hexagon socket head cap screws | M2 × 6 mm | 12 | 0.028 | 0.33 | steel |
| Hexagon socket head cap screws | M3 × 10 mm | 2 | 0.029 | 0.058 | steel |
| Hexagon socket head cap screws | M3 × 16 mm | 2 | 0.039 | 0.078 | steel |
| Hexagon socket head cap screws | M3 × 25 mm | 2 | 0.059 | 0.118 | steel |
| Hexagon socket head cap screws | M3 × 40 mm | 1 | 0.097 | 0.097 | steel |
| Phillips screws | M2.9 × 16 mm | 4 | 0.055 | 0.22 | steel |
| Phillips screws | M2.2 × 4.5 mm | 1 | 0.025 | 0.025 | steel |
| Hexagonal nuts | M2.5 | 1 | 0.13 | 0.13 | steel |
| Hexagonal nuts | M3 | 7 | 0.13 | 0.91 | steel |
| Hexagonal nuts | M4 | 38 | 0.14 | 4.94 | steel |
| Hexagonal nuts | M5 | 4 | 0.135 | 0.54 | steel |
| Total | 23.42 | ||||