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 designed 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 3 coating.
  • Available in 50mm & 25mm for metal roofing and cladding.

    Kinmar One Way Screw Video Overview:


Part Number Details Driver Size Box Qty Stock
KMPSD12G-G 12G x 25mm
KMPSD12J-G 12G x 50mm