VEDALI HARDWARE CO., LTD
| Payment Terms | L/C, T/T, Western Union , Paypal |
| Supply Ability | 500 , 000 pcs per month |
| Delivery Time | 30 days |
| Packaging Details | 20000 pcs each carton in bulk with dimension 20 X 22 X25 cm , 600 cartons to a 20 ft container |
| Material | Plastic |
| Fire Resistance | UL 94V-0 |
| Standard | DIN 934 |
| Specification | M4 |
| Hardness | HB 15 |
| Tensile Strength | MPa 103 |
| Brand Name | VDL |
| Model Number | PCNM4 |
| Certification | ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T, Western Union , Paypal | Supply Ability | 500 , 000 pcs per month |
| Delivery Time | 30 days | Packaging Details | 20000 pcs each carton in bulk with dimension 20 X 22 X25 cm , 600 cartons to a 20 ft container |
| Material | Plastic | Fire Resistance | UL 94V-0 |
| Standard | DIN 934 | Specification | M4 |
| Hardness | HB 15 | Tensile Strength | MPa 103 |
| Brand Name | VDL | Model Number | PCNM4 |
| Certification | ISO | Place of Origin | China |
| High Light | nuts and bolts hardware ，nuts bolts and fasteners | ||
Standard Hardware Nuts Bolts M4 Metric Fine Thread Plastic Hex Nuts DIN 934
Standard plastic PC hex nuts with hexagonal profile and a threaded hole in the centre to secure pieces with a threaded bolt or screw , no burrs and sharp edges hard surface and high tensile strength for wide applications .
Material
Hex Nuts are made from plastic PC (Polycarbonate)
Class for fire resistance
UL94V-0
Key Features
Corrosion resistance
Resistance to fire
Wear proof
Resistance to high temperature and low temperature
High light transmittance
High tensile strength
Physical Performance
| Density ( g/cm3) | 1.2 |
| Water absorption % | 0.1～0.15 |
| Shrinkage % | 0.1～0.2 |
Mechanical Property
| Tensile strength MPa | 103 |
| Compressive strength at 20% tension kgf/mm2 | 80 |
| Elongation at break % | 3 |
| Bending strength MPa | 165 |
| Modulus of elasticity for bending MPa | 8270 |
| Notched Impact Strength MPa(kgf/mm) | 110 |
| Hardness HR | 90 |
| Modulus of elasticity for tension MPa | 2280 |
Thermal Performance
| Heat distortion temperature ℃ | 115～127 |
| coefficient of linear expansion k | 0.00007 |
| Normal working temperature ℃ | 110～130 |
| Brittle temperature ℃ | -100 |
| Melting temperature ℃ | 130 |
| Pyrogenic decomposition temperature ℃ | 350 |
Electrical Performance
| Specific volume resistance Ω·cm | 1E + 18 |
| Heat conduction W/m.K | 0.13～0.2 |
| Dielectric constant | 3 |
Specification
| Thread diameter | M4 |
| Height H | 3.5 |
| Width F | 7.0 |
| Pitch | 0.7 |
| Width across corner G | 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 | M4 |
| Thread length | ±0.2 |
| Head height | ±0.1 |
| Head diameter | ±0.1 |
All sizes are in millimeter
Characteristics
High resistant impact
Perfect electrical performance
Odorless with environment protection
Low shrinkage
Generally , it is 0.1%~0.2%
Stable dimensions
High refractivity
Refractivity is 1.578 based on ISO 489 standard
Good thermal stability
PC parts can work in -100℃ to 130℃
Fine shininess
Inhibiting bacterial
Fire resistance
The grade for fire resistance is UL94V-0 without any additive
Hard with good elongation
Perfect apparent performance
Transparency is up to 90% .
Good insulation
Resistance to corrosion
Plastic PC hex nuts are resistant to acid , salty , oil and alcohol .
Wide working temperature
Plastic PC hex nuts can be operated from -100℃ to 130℃ and brittle temperature below -100℃
Application
Plastic PC hex nuts normally to be used with a threaded shaft or screws to secure objects , a vast application in many fields like medical equipment ,electrics ,vessel ,precise meter and instrument ,aerospace .
Additional Specifications
| d | m | s | e |
| 1.6 | 1.3 | 3.2 | 3.41 |
| 2 | 1.6 | 4 | 4.32 |
| 2.5 | 2 | 5 | 5.45 |
| 3 | 2.4 | 5.5 | 6.01 |
| 4 | 3.2 | 7 | 7.66 |
| 5 | 4.7 | 8 | 8.79 |
| 6 | 5.2 | 10 | 11.05 |
| 8 | 6.8 | 13 | 14.38 |
| 10 | 8.4 | 16 | 17.77 |
| 12 | 10.8 | 18 | 20.03 |
| 16 | 14.8 | 24 | 26.75 |
| 20 | 8 | 30 | 32.95 |
Note : we accept customized sizes for plastic PC hex nuts .
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2000
Total Annual:
2000,000-3500,000
Employee Number:
50~120
Ecer Certification：
Verified Supplier
With many years reputation in hardware filed , VEDALI HARDWARE CO., LTD has entered hardware filed and gained much development in these years , we have over 100 employees and 20 engineers on researching and development , and several branches that are specialized in different hardware for vast demand... With many years reputation in hardware filed , VEDALI HARDWARE CO., LTD has entered hardware filed and gained much development in these years , we have over 100 employees and 20 engineers on researching and development , and several branches that are specialized in different hardware for vast demand...
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