Nail Attachment Unit

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NAU is a surface and underwater Nail Attachment Unit (NAU) designed for temporary / permanent attachment and for locating underwater objects during search and rescue and salvage operations.

The NAU is similar in operation to a powder actuated proprietary nail gun except the hardened stainless steel nail is retained in the unit once activated. The NAU is activated by pressing the forward facing trigger this released the nail and attaches to the target medium i.e. steel, concrete, wood or fibre glass.

Patent Number: GB2483861B, AU2011306719B, CA2813051, US9677866, Europe Pending. 

The Nail Attachment Unit

NAU as fitted to COBRA

Attempting to remove NAU from training target

Attempting to remove NAU from training target

Nau penetrating 4mm thick steel

Penetration of NAU into 4mm Steel