Kinmar Permanent Self-Drilling One Way Screw
Kinmar permanent self-drilling one way screws feature a tamper-evident design and are used for securely fastening metal sheets, roofing, and cladding.
Featuring our top-tier level three maximum security rating, Kinmar permanent self-drilling one way screws can only be driven with the matching socket and cannot be be turned anti-clockwise.
There are no tools descigned to remove this screw, providing the ultimate level of fastening security.
Kinmar Permanent Self-drilling One Way Screw Features:
- Non-removable Self Drilling Screw.
- Positive engagement in matching installation socket.
- Quality AS3566 Class 4 coating.
- Available in 50mm & 25mm for metal roofing and cladding.