Clear Plastic Screws Round Head Fastener M5 Full Thread Slotted Cross Drive
Clear Plastic Screws Round Head Fastener M5 Full Thread Slotted Cross Drive
Plastic round head screws are designed as phillips slot drive for multiple operation by a phillips drive screw driver bits or a slot driver screw driver bits ; Full threads to under head which makes screws are more good on secure .
Plastic round head screws are made from plastic PC (Polycarbonate ) material , apparent with good fire resistance .
Plastic PC round head screws are a good choice for items that with high tensile strength and fireproof and light transmittance requests as individual performances .
| 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 | |
| Max temperature ℃ | 350 | |
Material
Plastic (Polycarbonate ) material
Class for Fire Resistance
UL94V-0
Environment Friendly Standard
RoHS and REACH
Specification
| Thread diameter | d | M6 |
| Thread length | L | 30 |
| Head height | H | 4.5 |
| Head diameter | D | 10.5 |
| Drive | Standard | PH2 and SLOT |
| Slot width | Standard | 1.5 |
All sizes are in millimeter
Tolerance
Normal tolerances for plastic round head screws based on your requests and refer to ISO 2768 standard for unspecified tolerances .
| Thread diameter | M6 |
| Thread length | ±0.5 |
| Head height | ±0.1 |
| Head diameter | ±0.1 |
| Drive | PH2 and SLOT |
| Slot width | ±0.1 |
All sizes are in millimeter
Features
1 , High resistant impact
2 , Perfect electrical performance
3 , Odorless with environment protection
4 , Low shrinkage
Generally , it is 0.1%~0.2%
5 , Stable dimensions
6 , High refractivity
Refractivity is 1.578 based on ISO 489 standard
7 , Good thermal stability
Plastic PC round head screws can work in -100℃ to 130℃
8 , Fine shininess
9 , Inhibiting bacterial
10 , Fire resistance
The grade for fire resistance is UL94V-0 without any additive
11 , Hard with good elongation
12 , Perfect apparent performance
Transparency is up to 90% .
13 , Good insulation
14 , Resistance to corrosion
Resistant to acid , salty , oil and alcohol .
15 , Wide working temperature
Plastic PC round head screws can be operated from -100℃ to 130℃ and brittle temperature below -100℃
Applications
As outstanding performances , Plastic PC round head screws are widely used to various fields in industry especially for fields with high tensile strength and hard working conditions .
▲ Car industry
▲ Household appliances
▲ Official equipments
▲ High level toys
▲ Precise electrics
▲ Aerospace
▲ Petro industry
▲ Technology and research device
Besides plastic PC screws , we are also manufacture various standard and customized screws with PA ,PP ,PMMA and ABS etc materials .
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.