White Nylon Screws M2 Machine Round Head Plastic Micro Fastener
White Nylon Screws M2 Machine Round Head Plastic Micro Fastener
Plastic nylon machine screws with fine full threads , standard head and socket drive for screw driver bits with PH 2 .
Machine screws are made from plastic nylon property class PA 66 , it with good performances on physics , thermal and mechanicals .
Performances
| Physical Performance | ||
| Density ( g/cm3) | 1.14 | |
| Water absorption % | 3 | |
| Shrinkage % | 1～2 | |
| Mechanical Property | ||
| 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 | |
| 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 | |
| Thermal Performance | ||
| Normal working temperature ℃ | 80～120 | |
| Brittle temperature ℃ | -30℃ | |
| Melting temperature ℃ | 252 | |
| Pyrogenic decomposition temperature ℃ | 350 | |
| Matin heatproof ℃ | 50～60 | |
| Max temperautre ℃ | 350 | |
Material
Plastic Nylon PA66 with fire resistant grade UL94V-2
Specification
| Thread diameter | d | M3 |
| Thread length | L | 8 |
| Head height | H | 2.6 |
| Head diameter | D | 6 |
| Drive | PH2 |
All sizes are in millimeter
Tolerance
Plastic machine screws are referred to ISO , GB standards and ISO 2768 for unspecified tolerances
| Thread diameter | Standard |
| Thread length | ±0.1 |
| Head height | ±0.1 |
| Head diameter | ±0.1 |
| Drive | Standard |
All sizes are in millimeter
Features
Plastic machine screws are different from metal screws , they are light weight and quite good on corrosion resistance , there are more features for plastic machine screws as following .
Wear resistance
Good self-lubricant
High mechanical property
Resistant high temperature
Normally , plastic machine screws can be operated smoothly at temperature 150℃ and thermal deformed temperature is up to 250℃ when parts with glass fiber .
Perfect elongation
Elongation at break is 2.2% according to ISO 527 testing method .
Corrosion resistance
Good insulation
Specific volume resistance is 1.83×1015 and resistance to high breakdown voltage support part to be good insulated .
Resistant impact
60 – 80 KJ/M2 normally .
Resistant fire
Generally , the fire resistance is UL94V-2 and UL64V-0 for special parts .
Resistance to low temperature
Plastic machine screws can be workable at -30℃
Environment friendly
Plastic machine screws meet RoHS or REACH environmental production standard .
Application
Plastic machine screws are widely used to various fields that with light load and strict conditions on corrosion resistance and insulation as perfect features .
1 , Car industry
2 , Household appliances
3 , Official equipments
4 , Toy items
5 , Electrics
6 , Aerospace
7 , Sports equipments
8 , Technology and research device
Packing
| Size | Material | PCS/box |
| M3X8 | PA66 | 1000 |
There are more specifications and other materials for plastic machine screws , please contact us for more information .
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.