M6 White Hardware Nuts Bolts Nylon Hexagon Domed Cap Nuts With Nonmetallic Insert
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 .
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.