White Nylon Hexagon Socket Head Plastic Allen Key Screw M3 Standard DIN 912 Fastener
White Nylon Hexagon Socket Head Plastic Allen Key Screw M3 Standard DIN 912 Fastener
White plastic cup head screw with hexagon socket head , straight knurled head for easy to be operated by hand , flat point and full machine threads to under head .
Plastic socket cup head screws are made of nylon material PA66 that are capable of corrosion resistance and good insulation .
Material
Hexagon socket cup head screws are made from plastic nylon with property class PA 66.
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 |
| Dssipation 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 |
Specification
| Thread diameter | d | M3 |
| Thread length | L | 8 |
| Head height | K | 5.5 |
| Head diameter | D | 3 |
| Socket depth | Standard | 1.75 |
| Socket width | S | 2.5 |
Note :
1 , All sizes are in millimeter
2 , " b " is for partial threads .
Tolerances
General size tolerances are ±0.1 – 0.2 mm , and according to ISO 2768 for unmarked tolerances .
| Thread diameter | M3 |
| Thread length | ±0.2 |
| Head height | ±0.1 |
| Head diameter | ±0.1 |
| Socket depth | ±0.1 |
| Socket width | ±0.1 |
All sizes are in millimeter
Main Characteristics
Plastic hex socket cup head screws are made from nylon PA66 which with distinctive characteristics compared other screws .
Wear resistance
Plastic hex socket cup head screw has a higher hardness 118 after improved chemical elements .
Good self-lubricant
Self lubricant make plastic hex socket cup head screw are more resistant wear and a longer service .
High mechanical property
Resistant high temperature
Normally , plastic nylon hex socket cup head screw 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
Plastic hex socket cup head screw can be resistant of the most chemicals on corrosion .
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 hex socket cup head screw can be workable at -30℃
Environment friendly
Plastic hex socket cup head screw meet RoHS or REACH environmental production standard .
Application
Plastic nylon hexagon socket cup head screw with small size that are mainly used to electrics , toys , printer , TV , CD , air conditioner and computer etc .
Packing
| Size | material | PCS/box |
| M3X8 | PA66 | 1000 |
We make different plastic screws with various specifications based on standards like ISO ,DIN ,BSW and GB etc , and we are available for non-standard as well .
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.