|
[China]
Trade Verify
Address: NO.12 HUANGHE RD ,HUANGJINAG , DONGGUAN, GD,CHINA
Contact name:David
VEDALI HARDWARE CO., LTD |
|
Verified Suppliers
|
|
|
M6 White Hardware Nuts Bolts Nylon Hexagon Domed Cap Nuts With Nonmetallic Insert
Plastic hex domed cap nuts without metallic insert , hex body with standard threaded hole and a domed cap above hex body , this domed cap to prevent threads from destroying by water ,sand or other sundries .
Plastic hex domed cap nuts are Prevailing torque type and designed in grade A that is more easy to be installed , it is operated by hand or a tool .
Material
Hexagon domed cap nuts 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
| s | 10 |
| d | M6 |
| e | 11.5 |
| m | 7.0 |
| pitch | 1.0 |
| h | 11.5 |
All sizes are in millimeter
Tolerances
General size tolerances are ±0.1 – 0.2 mm , and according to ISO 2768 for unmarked tolerances .
| s | 10 | ±0.2 |
| d | M6 | Standard |
| e | 11.5 | ±0.2 |
| m | 7.0 | ±0.1 |
| pitch | 1.0 | Standard |
| H2 | 11.5 | ±0.2 |
All sizes are in millimeter
Characteristics
Wear resistance
Plastic hex dome cap nuts have higher hardness 118 after improved chemical elements .
Good self-lubricant
Self lubricant make plastic hex dome cap nuts are more resistant wear and a longer service .
High mechanical property
Resistant high temperature
Normally , plastic hex dome cap nuts 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 dome cap nuts 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 dome cap nuts can be workable at -30℃
Environment friendly
Plastic hex dome cap nuts meet RoHS or REACH environmental production standard .
Application
Plastic hexagon domed cap nuts normally to be used with a threaded shaft or screws to secure objects , a vast application in many fields like :
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
| d1 | h2 | m | s | e |
| М4 | 8 | 3.2 | 7 | 7.66 |
| М5 | 10 | 4 | 8 | 8.79 |
| М6 | 12 | 5 | 10 | 11.05 |
| М8 | 15 | 6.5 | 13 | 14.38 |
| М10 | 18 | 8 | 16 | 18.9 |
| М12 | 22 | 10 | 18 | 21.1 |
| М14 | 25 | 11 | 21 | 24.49 |
| М16 | 28 | 13 | 24 | 26.75 |
| М18 | 32 | 15 | 27 | 30.14 |
| М20 | 34 | 16 | 30 | 33.53 |
| М24 | 42 | 19 | 36 | 39.98 |
Note : we accept customized sizes for hex dome cap nuts .
Tips for use
Don’t keep hex dome cap nuts outside to prevent from fading
Make sure clean sundries out in hex dome cap nuts before installation .
