HARDEN Professional Hand Impact Screwdriver Set - 14 Pcs

This professional hand impact screwdriver set from HARDEN is designed for heavy-duty tasks such as...

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OnBuy.comHarden Professional Hand Impact Screwdriver Set 14 Pcs 6959820810235
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B&QB&Q - Professional Hand Impact Screwdriver Set 14 Pcs (Har 550641)
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Product Information

Full details

The HARDEN Professional Hand Impact Screwdriver Set (14-piece) is an essential tool for mechanics, automotive enthusiasts, and DIYers who need to loosen stubborn, rusted, or seized fasteners that standard manual drivers cannot budge. By converting the kinetic energy of a hammer strike into rotational torque, this tool provides the brute force necessary for heavy-duty garage projects, though it requires a degree of physical effort and caution to prevent fastener head stripping.

All features

Model Part Number550641
BrandHARDEN

Extended Product Information

FAQs

Can this be used on small electronics?

No, this tool is designed for heavy-duty automotive and mechanical fasteners and will likely damage delicate electronics.

Does it come with a carrying case?

Yes, the 14-piece set includes a durable storage case to organize and protect the bits.

What type of hammer should I use?

A standard ball-peen or mechanics hammer is recommended. Avoid using a claw hammer if possible to keep the striking surface of the tool clear.

Is the bit set compatible with other impact drivers?

The bits are designed specifically for this impact handle. While some may fit standard manual drivers, they are optimized for the torque of the impact tool.

How do I reverse the direction?

Twist the front collar or rear knob of the tool head to switch between left and right rotation settings.

Troubleshooting

The tool does not rotate upon impact.

Ensure the directional selector is fully engaged in either the clockwise or counter-clockwise position. If it remains stuck, check the bit for debris.

The bit slips out of the screw head.

Verify that you are using the correct bit size and profile. Apply more downward pressure on the handle while striking to ensure maximum engagement.

Pros and Cons

Pros

  • Ideal for removing rusted or stripped screws
  • Sturdy build quality for heavy-duty tasks
  • Versatile 14-piece set covers most common fasteners
  • Reduces the risk of cam-out when used correctly

Cons

  • Requires a separate hammer or mallet for operation
  • Can be loud and jarring during use
  • Not intended for delicate or small electronics work

Setup, Compatibility & Care

The HARDEN 14-piece set requires no complex assembly; simply attach the desired bit into the drive head. Ensure that the bit is fully seated and matches the fastener profile exactly to avoid rounding out the screw head.

Care Instructions:

  • Keep the tool clean by wiping it down with a shop cloth after use to remove grease and metal shavings.
  • Store the bits in the provided case to prevent moisture build-up and rust.
  • Periodically inspect the internal drive mechanism and apply a light machine oil if the rotation feels sluggish.
  • Do not use power tools to strike the screwdriver, as this will damage the internal spring mechanism.

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