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 | 1000 pcs each carton with dimension 20 X 20 X 22 cm , 500 cartons to a 20 ft container |
| Material | Carbon Steel |
| Property Class | 6.8 |
| Hardness | HRC 25 |
| Finish | Zinc |
| Drive | Square |
| Head | Flat |
| Diameter | 4.5 |
| Length | 45 |
| Brand Name | VDL |
| Model Number | CS4545 |
| 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 | 1000 pcs each carton with dimension 20 X 20 X 22 cm , 500 cartons to a 20 ft container |
| Material | Carbon Steel | Property Class | 6.8 |
| Hardness | HRC 25 | Finish | Zinc |
| Drive | Square | Head | Flat |
| Diameter | 4.5 | Length | 45 |
| Brand Name | VDL | Model Number | CS4545 |
| Certification | ISO 9001 | Place of Origin | China |
| High Light | screws and fasteners ，hardware screws ，zinc square drive robertson screw | ||
Flat Head Square Drive Robertson Screw For Wood Galvanized Steel Fastener
Square drive or Robertson@ drive screw with flat head sharp point and wood threads for application on wooden parts .
Robertson square screws has a 90 degree or 120 degree head and blank angle is up to 45 degree for cutting material as quickly as possible .
| Thread diameter | 4.8 |
| Thread length | 42 |
| Head height | 5.5 |
| Head diameter | 10 |
| Head drive | Square / robertson |
| Pitch | 1.59 |
| Full length | 63 |
Note : all dimensions are millimeters
Carbon steel robertson square screw is quenched and tempered to ensure enough strength during installation and improve efficiency .
| Material code | 1018 |
| Tensile strengh | 539 |
| Case hardness | HV500 |
| Core hardness | HV400 |
| Density | 7.85 |
| Yiled strength | 495 |
| Ductility | 33.5 |
| Property class | 6.8 |
Finishing for Robertson square screw
| Finishing | Blue zinc |
| Standard | RoHS ( 2002/95-EC ) |
| Thickness | 3 um |
| Color | Silver |
Features for Robertson square screw
1 . Perfect flexibility and not easy to be deformed
2 . High tensile strength with fast cutting performance
3 . Effective drilling
4 . Harden material with strict dimensions
5 . Over threaded length for locking
Application
Robertson square screws are often used to secure wooden pieces or plastic parts that in industry .
RFQs
Q What material for robertson square screw ?
A Carbon steel and stainless steel
Q What finishing for Robertson square screw ?
A Popular finishing including zinc ,nickel ,tin ,chrome ,oxide and paint
Q How to ensure Robertson square screws are not broken or deformed during installation ?
A All Robertson square screws are quenched and tempered , the hardness is up to HRC 50, this is easy to be capable of request from wooden parts .
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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