M5 Hex Head Plastic Screws Bolt PA 66 Grade White Nylon Fastener
Plastic hexagon head screws are made from nylon PA 66 , full threads and flat point , work with a nuts or secure pieces without a nuts help , widely used to fields in industry .
Plastic hexagon head screws with good self-lubricant , resistance to wear and good elongation , it is not easy to be broken even under heavy duty load .
Material
Hexagon head screws are made from plastic nylon with grade PA 66
Class for fire resistance
UL94V-2
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 |
Specification
| Thread diameter |
d |
M5 |
| Thread length |
L |
10 |
| Head height |
k |
3.6 |
| Head width |
S |
8 |
All sizes are in millimeter
Tolerances
General size tolerances are ±0.1 – 0.2 mm , and according to ISO 2768 for unmarked tolerances .
| Thread diameter |
M6 |
| Thread length |
±0.2 |
| Head height |
±0.1 |
| Head diameter |
±0.1 |
All sizes are in millimeter
Characteristics
Wear resistance
Plastic hexagon head screws has a higher hardness 118 after improved chemical elements .
Good self-lubricant
Self lubricant make plastic hexagont head screws are more resistant wear and a longer service .
High mechanical property
Resistant high temperature
Normally , plastic hexagon head 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
Plastic hexagon head screws 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 hexagon head screws can be workable at -30℃
Environment friendly
Plastic hexagon head screws meet RoHS or REACH environmental production standard .
Application
Plastic hexagon head screws are mainly used to various motors or electrical components or parts with light duty load and working conditions are easy to be rusted in industry .
1 , Car industry
2 , Household appliances
3 , Official equipments
4 , Toy items
5 , Electrics
6 , Aerospace
7 , Sports equipments
8 , Technology and research device
More Specifications
| d |
k |
s |
e |
| 1.6 |
1.1 |
3.2 |
3.41 |
| 2 |
1.4 |
4 |
4.32 |
| 2.5 |
1.7 |
5 |
5.45 |
| 3 |
2 |
5.5 |
6.01 |
| 3.5 |
2.4 |
6 |
6.58 |
| 4 |
2.8 |
7 |
7.66 |
| 5 |
3.5 |
8 |
8.79 |
| 6 |
4 |
10 |
11.05 |
| 7 |
4.8 |
11 |
12.12 |
| 8 |
5.3 |
13 |
14.38 |
| 10 |
6.4 |
17 |
18.9 |
Note : Lengths of plastic hexagon head can be customized according to specific requirements .
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