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B&Q£17.93Visit shop B&Q - Impact Socket / Screw Driver Adaptor Bit Set Heavy Duty 1/2In Drive Hammer
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The AB Tools AT179 Impact Driver set is designed for mechanics, garage enthusiasts, and DIYers who struggle with seized or over-tightened fasteners. Its primary benefit is the manual impact mechanism, which converts hammer strikes into rotational force to break loose stubborn screws. While highly effective for heavy-duty tasks, it requires manual effort and is not suitable for delicate materials or fine machinery.
| Model Part Number | AT179 |
|---|---|
| Brand | AB Tools |
Yes, once you remove the bit adapter, the base unit features a 1/2-inch square drive that is compatible with most standard impact sockets.
No, this is a manual impact driver. It is powered entirely by the force of a hammer strike.
The set includes PH2, PH3, and PH4 bits, as well as 6mm, 8mm, and 10mm flat blade bits in both 36mm and 80mm lengths.
Yes, the mechanism is designed to handle both loosening and tightening of screws.
Bits are wear items; ensure you are using the correct size for the screw to prevent excessive stress. Replacements can be sourced through standard tool suppliers.
Ensure the impact mechanism is not jammed with debris and apply a light machine oil to the internal cam.
Verify you are using the correct bit size (PH2, PH3, PH4, or flat blade) and ensure the bit is fully seated into the fastener head before striking.
To set up the tool, attach the 1/2-inch drive bit adapter if using the included screwdriver bits. If you need to use a standard socket for a bolt, pull the bit adapter off to expose the 1/2-inch square drive directly. The tool is compatible with any standard 1/2-inch square drive socket. Regarding care, always keep the internal mechanism lubricated with a light machine oil to ensure smooth operation of the cam. Clean the bits after each use to prevent rust, and store the tool inside its blow-molded case in a dry environment to protect the longevity of the metal surfaces.
