Nuts, Bolts, Screws Fasteners & Fixings

Security Fasteners and General Fixings from Stock and to order

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Tricle Security Drill Bit

Tricle Security Drill Bits are specifically designed to install and remove Tricle Security Screws hosting a unique Tricle drive – similar in shape to a three-leaf clover.

The Pin Button Tricle Bolt and Pin Countersunk Tricle Bolt are typically chosen for applications that require high security resistance against vandalism or theft. Captive variants are also available.

They are a two-way security fastener – ideal for situations where regular maintenance is required.

Tricle Security Drill Bits are available for Tricle ‘Type A’ and Tricle ‘Type B’ Security Screws and Bolts – sizes from M3 to M8.

Please contact us with your requirements to further your enquiry.Tricle Security Drill Bit Technical Drawing

Technical Data & Available Sizes
Available Sizes Drive Hex Shank Size
A/B M3
A1 M4 6.35
A2 M5/M6 6.35
A2.5 M8 6.35
B1 M4 6.35
B2 M5/M6 6.35
B2.5 M8 6.35
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