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| Categories | Metal Screw |
|---|---|
| Brand Name: | JIASHAN |
| Certification: | ISO 9001 |
| Place of Origin: | china |
| MOQ: | 10pcs |
| Price: | $0.01~2.56,Piece/Pieces |
| Payment Terms: | L/C,D/A,D/P,T/T |
| Supply Ability: | 10000,Piece/Pieces,Month |
| Delivery Time: | about 12-18days |
| Packaging Details: | Plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film. |
| Product name: | Security Screw |
| Service: | OEM |
| Corrosion Resistance: | Yes |
| Port: | Shenzhen, Guangzhou |
| Corrosionresistance: | High |
| Thread Type: | Standard/Customization |
| Package: | Plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film. |
| Finish: | customized |
| Company Info. |
| Hunan Jia Shan Hardware Tech Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
This security screw features a triangular recess drive with a flat countersunk (CSK) head for flush installation. Conforming to ASTM A193 material specifications, the screw is made from high‑quality alloy steel or stainless steel (plain finish as standard). The triangular drive is designed to accept only a matching triangular bit, providing effective anti‑theft protection. The countersunk head allows the screw to sit below or level with the workpiece surface, making it difficult to grip with pliers or other extraction tools. Available in M3 and M4 sizes, these screws are commonly used in panels, signage, and light‑duty security applications.
| Industry | Usage |
|---|---|
| Automotive | High-strength applications in engines, heavy-duty machinery, and bridge construction |
| Mechanical | Connecting mechanical parts, circuit boards, engines, transmissions in various industries |
| Energy | Connecting power generation equipment and transmission lines |
| Architectural | Building structures, shipbuilding, and petrochemical equipment |
Street furniture – bench planks, litter bin access panels.
Electrical switchgear covers in public buildings.
Signage and advertising displays – prevents unauthorised removal.
University and school laboratory equipment housings.
Access covers on vending machines and ticket validators.
Countersunk head – sits flush, cannot be grabbed by hand tools.
Triangular drive – requires dedicated key, blocks standard bits.
ASTM A193 material – reliable mechanical properties for structural use.
Plain finish – suitable for indoor applications or as base for painting.
M3/M4 sizes – cover small to medium panel mounting needs.
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