Extractor bit Set for Hex Socket type screws – ENGINEER DBZ-20

• 4-piece extractor bit set designed for removing stripped or damaged internal hex (Allen) screws
• Specialised cutting tip bites into worn hex socket screws to enable removal when standard hex keys fail
• Suitable for internal hex socket sizes 2mm, 2.5-3mm, 4mm and 5mm (measured across flats)
• Covers a range of common cap head bolt sizes including approximately M2.5, M3, M4, M5 and M6 depending on screw type
• Suitable for damaged button head and countersunk screws commonly used in M3, M4, M5, M6 and M8 applications
• Compatible with larger set screw (grub screw) applications up to approximately M10 depending on hex socket size
• Designed for use with drills or drivers to apply controlled torque for effective extraction
• Enables removal of rounded or seized screws without the need for drilling out the fastener
• Precision-engineered extractor tips provide strong engagement with damaged screw heads
• Compact multi-size set offers flexibility across automotive, maintenance and workshop tasks

The ENGINEER DBZ-20 Screw Extractor Set is a specialised 4-piece solution designed to remove stripped or damaged internal hex (Allen) screws quickly and effectively.

When hex socket screws become rounded or worn, standard hex keys and drivers can no longer grip, making removal difficult or impossible. This set is designed to solve that problem. Each extractor bit features a precision-engineered cutting tip that bites into the damaged screw head, allowing torque to be applied so the fastener can be removed.

The set includes four extractor sizes covering internal hex socket dimensions of 2mm, 2.5-3mm, 4mm and 5mm (measured across flats). These sizes correspond to a wide range of commonly used fasteners, including cap head bolts, button head screws, countersunk screws and set screws used in automotive, machinery and maintenance applications.

Depending on the screw design and standard, the set is suitable for common fastener ranges including approximately M2.5 to M6 cap head bolts, M3 to M8 button head and countersunk screws, and larger set screw applications up to approximately M10.

Designed for use with drills or drivers, the DBZ-20 allows controlled force to be applied, improving the likelihood of successful removal even on stubborn or seized screws. By avoiding the need to drill out fasteners, it helps reduce the risk of damage to surrounding components and saves time during repair work.

Compact and versatile, this extractor set is well suited to both professional and DIY use, providing a practical solution for one of the most common and frustrating fastening problems.