Flat Head White Nylon Screw M6 Cross Recessed Plastic Fastener
Standard cross recessed flat head screws are made from plastic
nylon with fire resistance class UL94V-2 , flat point design and
full threads to secure working pieces .
Low friction and good self-lubricant for a long service
Wide working temperature from -30℃ to 150℃ for the most areas with
different climate .
Colorful choices for many demands
Assorted sizes with customized designs for your suitable
Plastic cross recessed flat head screws are made from nylon PA 66
that with good performances .
|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|
Plastic cross recessed flat head screws are based on DIN 965 .
All sizes are in millimeter
General size tolerances are ±0.1 – 0.2 mm , and according to ISO
2768 for unmarked tolerances .
|Thread diameter D||M6|
|Thread length L||35|
|Head height K||3|
|Head diameter dk||11|
All sizes are in millimeter
Plastic cross recessed flat head screws has a higher hardness 118
after improved chemical elements .
Self lubricant make plastic cross recessed flat head screws are
more resistant wear and a longer service .
High mechanical property
Resistant high temperature
Normally , plastic cross recessed flat head 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 cross recessed flat head 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
Resistance to low temperature
Plastic cross recessed flat head screws can be workable at -30℃
Plastic cross recessed flat head screws meet RoHS or REACH
environmental production standard .
Plastic cross recessed flat head 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
Normally , plastic cross recessed flat head screw specification
from M2.5 to M10 .
D : diameter
dk : head diameter
K : head height