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How Do Powder Actuated Fasteners Work?

Maya Lin-Takahashi • • 6 min read
How Do Powder Actuated Fasteners Work?

Powder-actuated tools are powered by small explosive cartridges, which are triggered when a firing pin strikes a primer, a sensitive explosive charge

explosive charge
An explosive charge is a measured quantity of explosive material, which may either be composed solely of one ingredient or be a mixture containing at least two substances. Explosive materials may be categorized by the speed at which they expand.
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in the base of the cartridge. ... In high-velocity tools, the propellant charge acts directly on the fastener in a process similar to a firearm.

What should you avoid doing when driving fasteners using a powder-actuated tool?

Fasteners shall not be driven into very hard or brittle materials such as cast iron, glazed tile, surface hardened steel, glass block, live rock, face brick or hollow title.

How do Hilti nails work?

Hilti systems

Thanks to excellent nail guidance in the tool and the use of solid washers, the nail leaves the tool at the angle you intend. The nail driving energy released by a Hilti tool is precisely controlled to ensure reliable achievement of the desired embedment depth.

Maya Lin-Takahashi
Author

Maya Lin-Takahashi

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.