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|Fire Resistance:||UL 94V-2||Thread Diameter:||M5|
cup head plastic cap screws
M6 Hex Socket Cup Head Plastic Cap Screws Nylon White Fastener DIN 912
Plastic nylon cap screws with hex socket drive cup knurled head , full threads from end to under head
Knurled head design
Hex socket cup head cap screws are made from plastic nylon with property class PA 66.
|Density ( g/cm3)||1.14|
|Water absorption %||3|
|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|
|Arc resistance sec||130～140|
|Specific volume resistance Ω·cm||1.83×1015|
|Normal working temperature ℃||80～120|
|Brittle temperature ℃||-30℃|
|Melting temperature ℃||252|
|Pyrogenic decomposition temperature ℃||350℃|
|Matin heatproof ℃||50～60|
1 , All sizes are in millimeter
2 , " b " for partial threads .
General size tolerances are ±0.1 – 0.2 mm , and according to ISO 2768 for unmarked tolerances .
All sizes are in millimeter
Plastic cap screws are made from nylon PA66 which with distinctive characteristics compared other screws .
Plastic cap screws has a higher hardness 118 after improved chemical elements .
Self lubricant make plastic shoulder screws are more resistant wear and a longer service .
High mechanical property
Resistant high temperature
Normally , plastic nylon cap screws can be operated smoothly at temperature 150℃ and thermal deformed temperature is up to 250℃ when parts with glass fiber .
Elongation at break is 2.2% according to ISO 527 testing method .
Plastic cap screws can be resistant of the most chemicals on corrosion .
Specific volume resistance is 1.83×1015 and resistance to high breakdown voltage support part to be good insulated .
60 – 80 KJ/M2 normally .
Generally , the fire resistance is UL94V-2 and UL64V-0 for special parts .
Resistance to low temperature
Plastic cap screws can be workable at -30℃
Plastic cap screws meet RoHS or REACH environmental production standard .
Plastic cap 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
Contact Person: MR.LIN