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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

This security screw features an H‑type drive – a recess shaped like the letter “H” – which requires a matching H‑bit for turning. The pan head provides a low profile with a flat bearing surface, suitable for general fastening. Manufactured from stainless steel SS304, SS316, or SS316L, these screws offer reliable corrosion resistance for outdoor and industrial use. M8 and M12 diameters make them suitable for medium to heavy‑duty applications such as access panels on machinery, public infrastructure, and transport equipment. The H‑drive is less common than Torx or hex, making it an effective anti‑tamper solution.
| 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 |
Railway station platform equipment – ticket gates, display mounts.
Public playground and park furniture – prevents unauthorised disassembly.
Heavy machinery access covers (construction equipment).
Marine vessel interior fittings – SS316 for saltwater resistance.
Electrical enclosure doors in industrial plants.
H‑type drive – uncommon geometry, not easily turned by standard bits.
Large diameters M8/M12 – suitable for high‑load security fastening.
Grade 316/316L options – ideal for marine and chemical environments.
Pan head design – provides broad bearing surface without protruding too high.
Corrosion‑free stainless – no coating to chip or wear.

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M8 M12 Stainless Steel Ss304 Ss316 Ss316l H Type Drive Pan Head Anti Theft Metal Screw Images |