A2-70 Torx Pin Flat Head Stainless Steel Security Screws T20 Metal Fastener
What is Security Screw
Stainless steel Security Screws are also named anti-theft screws as there is a tamper-resistant pin in the centre of torx drive that stop common screwdriver bit to screw screws for security .
Torx head Security Screws with a 90° taper head is suitable for taper hole when the screw is sunken into object . Security screws are available in cup head ,flat head ,Pan head and Truss head design .
What materials for Security Screws
Security screw can be made of Stainless steel ,Carbon steel and alloy steel etc , you can find following different material codes for the right purpose .
Stainless steel
SUS 201 , SUS303 , SUS 304 ,SUS 316 , SUS 416 ,SUS 430 and SUS 420 .
Carbon steel
1008 , 1010 , 1018 , 1022 , 1035 , 1045 , SCM 435 and 40CRO
Aluminum
2024 , 6061 and 7075
Brass
CuZn35 , CuZn37 , CuZn40 , CuZn37Pb1 and CuZn39Pb1
Aluminum and brass material are quite few application as they are not hard and easy to be removed
What Finish for Security Screws
| Finish | Characteristics |
| Zinc | Various color can be choosed and perfect on anti-corrosion |
| Nickel | Make the surface of the screws more bright and hardened and the performance of screws will be improved |
| Polish | Improving the brightness of surface but is inferior is not as zinc in anti-corrosion |
| Tin | It is very perfect to be anti-rust , and widely used to components |
| Brass | It is usually used with Nickel for more good anti-corrrosion. |
| Dacromet | Is used for screws with big sizes and can stop screws to be rusted long time even under bad surroundings . |
Security Screw features
1 , Quick and easy operation
2 , Recyclable
3 , Long Service
4 , Environmental protection
5 , Standard Sizes
6 , Perfect Security performance
7 , Loose resistance and self locking function
8 , Simple and practical structure
Specifications for Security Screw
| d | M | H |
| M2 | 4 | 1.2 |
| M2.2 | 4.4 | 1.3 |
| M2.3 | 4.6 | 1.35 |
| M2.5 | 5 | 1.45 |
| M2.6 | 5.2 | 1.5 |
| M3 | 6 | 1.75 |
| M3.5 | 7 | 2 |
| M4 | 8 | 2.3 |
| M4.5 | 9 | 2.55 |
| M5 | 10 | 2.8 |
| M6 | 12 | 3.4 |
| M8 | 16 | 4.4 |
Applications for Security Screws
Security screw is for car ,anti-theft door , outside bars ,power equipments ,railway facility , freeway facility and exercise Equipment .
Our promise
※ Top quality with cheap price
※ Quick delivery
※ All Screws are eco-friendly
※ MOQ is accepted
※ Perfect sales-after service
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A2-70 Torx Pin Flat Head Stainless Steel Security Screws T20 Metal Fastener Images
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