VEDALI HARDWARE CO., LTD
VEDALI HARDWARE CO., LTD Professional Hardware Supplier Perfect Engineering Solutions
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M5 White Screw Bolt PTFE Plastic Fastener for Chemical Engineering
screw or bolt is one of plastic fastener that with perfect peformance for industry , and widely used to various fileds , Comparied to other plastic materials , screw bolt with outstanding advantages .
1 . High temperature resistance . can be workable for temperrature from 200 to 260 degress ,
2 . Quite low friction . screw bolt with good lubrication , the friction factor is only 0.4 .
3 . No stickness . not nearly be dissolved to any solvent .
4 . Resistant corrossion
5 . Not easy to be aged ,
6 . Good insulation for electricity .
7 . Low temeprature resistance . screw bolts keep good material performance even 100 degree under zero .
Dimensions
| Thread | |
| Length | |
| Head diameter | |
| Head height | |
| Pitch | |
Optional Standard dimensions
| d1 | k | s | e |
| 5 | 3.5 | 8 | 8.79 |
| 6 | 4 | 10 | 11.05 |
| 8 | 5.3 | 13 | 14.38 |
| 10 | 6.4 | 17 | 18.9 |
| 12 | 7.5 | 19 | 21.1 |
Mechanical Performance
| tensile strength | PA | 2500X104 |
| elongation | % | 400 |
| compression strength | PA | 1900X104 |
| impact force | kgf.cm2 | 28 |
| flexural strength | PA | 2000X104 |
| hardness | HB | 4.54 |
| friction | HB | 0.13-0.16 |
Note : data refer to GB standard
Thermal Performance
| Melt point | ℃ | 327 |
| thermal conductivity | J/kg.k | 0.24 |
| specific heat | W/m.K | 1X10-3 |
Tips for use
1 . Max temeperature for bolt screws can not be exceed metal point .
2 . Far from high frequent and heavy friction .
About Packing
1 . In bulk .
2 kgs each bag and 5 bags each carton .
2 . Boxes packing
50 pcs each box and then 10 boxes each carton
3 . Custom packing
We can pack bolt screws per your special requirements .