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Security Pin Button Head Tricle Captive Screws

Security Pin Button Head Tricle Captive Screws are used in high-security applications as an anti-vandalism or anti-theft fastener.

Captive screws are designed with an unthreaded portion below the head – often referred to as the reduced shank. Once installed, this screw is meant to self retain, which prevents any loss of fasteners.

Often found within applications in public spaces, such as vending machines, public toilets, playgrounds, hospitals, and to a lesser extent public telephones. They provide security against the threat of tampering or damage from vandals or thieves.

These fasteners can also be used within home security and are often found on car license plates, gas meters and window frames.

Pin Button Tricle Captive screws feature a pin drive with a rounded, three-prong shape.

Available as Tricle ‘Type A’ and Tricle ‘Type B’ from Fastenright. These screws are available in lengths ranging from 12mm upwards, and in diameters from M3 to M8.

Non-standard sizes, materials and finishes are available to order as specials, including small volume manufacture, modifications and custom parts made to drawings.

Security Pin Button Head Tricle Captive Screws Technical Drawing

d1 and L1 dimensions can be to customer specification.

 

Metric Technical Information & Available Sizes
Thread Diameter M3 M4 M5 M6 M8
dk (mm) 5.7
7.6
10.5 10.5
14
k (mm) 1.65 2.2
3.3 3.3 4.4
d1 (mm) 2.2 3.0 3.8 4.5 6.2
L1 (mm) 6.0 8.0 10.0 12.0 16.0
Available Sizes M3 M4 M5 M6 M8
12mm black icon image
16mm black icon image black icon imagered icon image
20mm black icon image black icon imagered icon image black icon imagered icon image
25mm black icon imagered icon image black icon imagered icon image black icon imagered icon image
30mm black icon image black icon imagered icon image black icon imagered icon image
40mm black icon imagered icon image black icon imagered icon image black icon imagered icon image
50mm black icon imagered icon image black icon imagered icon image
black icon image = Tricle ‘Type A’ // red icon image = Tricle ‘Type B’
Size not listed? Please make an enquiry – we may be able to supply.
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