VEDALI HARDWARE CO., LTD
| Payment Terms | L/C, T/T, Western Union , Paypal |
| Supply Ability | 1000, 000 pcs per month |
| Delivery Time | 30 days |
| Packaging Details | 10000 pcs each carton with dimension 20 X 22 X 25 cm , 500 cartons to a 20 ft container |
| Material | Carbon Steel |
| Finish | Zinc |
| Hardness | HRC 35 |
| Head | CSK |
| Point | Flat |
| Thread | Tapping |
| Diameter | 3 |
| Length | 12 |
| Brand Name | VDL |
| Model Number | CPTS1002 |
| Certification | ISO 9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T, Western Union , Paypal | Supply Ability | 1000, 000 pcs per month |
| Delivery Time | 30 days | Packaging Details | 10000 pcs each carton with dimension 20 X 22 X 25 cm , 500 cartons to a 20 ft container |
| Material | Carbon Steel | Finish | Zinc |
| Hardness | HRC 35 | Head | CSK |
| Point | Flat | Thread | Tapping |
| Diameter | 3 | Length | 12 |
| Brand Name | VDL | Model Number | CPTS1002 |
| Certification | ISO 9001 | Place of Origin | China |
| High Light | screws and fasteners ，hardware fasteners | ||
M3.5 Black Countersunk Thread Rolling Screws Hex Socket Steel Fastener For Plastic
Flat head PT@ screw with hex socket , flat point and wide spiral threads for securing plastic board .
Key Features
◆ Flat point
◆ 90 degree flat head
◆ Wider thread distance
◆ Small blank angle for threads
◆ Larger major diameter and small bottom diameter
Specification
| d | 3 |
| dk | 5.0-5.3 |
| Head angle | 90° |
| L | 12 |
| k | 1.75 |
d : thread diameter dk : head diameter
Installation
1 . Drill a pre-hole in material with pre-depth for screw ( see details in table )
2 . Insert screw into hole and screwing it in a wrench .
Installation tips
PT@ screws are normally used to secure plastics , there is a pre-drilling hole before install a screw , the hole diameter and depth are different for different plastic materials .
| Plastic material | Screw thread diameter “ d “ | Pre-drilling hole diameter | Pre-drilling hole depth |
| PC | d | 0.85d | 2d |
| PA | d | 0.75d | 1.7d |
| ABS | d | 0.8d | 2d |
| ASA | d | 0.78d | 2d |
Finishing
| Finishing | Colors | Thickness | Charicteristic |
| Zinc | Blue ,White ,Black ,Yellow | 5-107μm | Bright and smooth surface ,corrosion resistance |
Material
PT@ screws are made of carbon steel 1022 material with black color
Chemical elements
| C | Si | Mn | S | P | Cu | Cr | Ni | Alt |
| 0.2 | 0.05 | 0.83 | 0.006 | 0.018 | 0.05 | 0.06 | 0.02 | 0.035 |
Physical performance
| Rel N/mm2 | 370 |
| Rm N/mm2 | 495 |
| Elongation A ( % ) | 33.5 |
| Reduction of areaZ ( % ) | 62 |
| Density g/cm^3 | 7.85 |
| Tensile strength(σb/MPa | 539 |
Applications
Be used for various plastics
Characteristics
◆ Harden material
◆ High tensile strength
◆ Fast thread drilling performance
◆ Good material flowing performance
◆ High clamping load performance
◆ Reduce radial stresses
Note ； PT@ screws is a trademark for EJOT verbindungstechnik GMBH CO. KG
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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