VEDALI HARDWARE CO., LTD
VEDALI HARDWARE CO., LTD Professional Hardware Supplier Perfect Engineering Solutions
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PA66 White Plastic Round Spacers with Inside Threads M5 X 15 mm
Plastic round spacers with inside threads for threaded shaft assembled , it keep shaft from scratching and increase friction with metal parts , plastic round spacers can be driven via rotation by hand .
Material
Plastic round spacers with inside threads are made of nylon PA66 .
Key features
Insulated material
Resistance to fire
Not easy to be aged
Water proof
Wear resistant
Mechanical Performances
| Tensile strength MPa | 60～80 |
| Elongation at break % | 2.2 |
| Bending strength MPa | 100～120 |
| Modulus of elasticity for bending MPa | 2000 ～3000 |
| Notched Impact Strength(J/m) | 60～100 |
| HR hardness | 118 |
Thermal Performance
| Normal working temperature ℃ | 80～120 |
| Brittle temperature ℃ | -30 |
| Melting temperature ℃ | 252 |
| Pyrogenic decomposition temperature ℃ | 350 |
| Matin heatproof ℃ | 50～60 |
Electrical performance
| Dielectric constant | 1.63 |
| Arc resistance sec | 130～140 |
| Specific volume resistance Ω·cm | 1.83×1015 |
| Dissipation factor | 100～400 |
| Dielectric strength(kV/mm) | 20～30 |
Specification
| Length | L | 15 |
| Diameter | D1 | 8 |
| Thread diameter | D2 | M5 |
| Thickness | T | 1.5 |
Tolerances
| Normal Sizes | Level | |
| TG7 | ||
| W | NW | |
| 1-3 | 0.13 | 0.2 |
| 3-6 | 0.2 | 0.29 |
| 6-10 | 0.29 | 0.35 |
| 10-18 | 0.35 | 0.42 |
| 18-30 | 0.42 | 0.5 |
| 30-50 | 0.5 | 0.6 |
| 50-80 | 0.6 | 0.9 |
1 ,value for each level means " ± " tolerance .
2 , " W " means tool specific dimensions , " NW ' means non tool specific dimensions .