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Long Bits for Damaged Screw Extraction
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Long Screw Extractor Bits
Standard ENGINEER extractor bits, with a 6.35 mm hex shank
Long extractor bits are ENGINEER DBZ series bits, with a standard 6.35 mm (quarter-inch) hex shank, for extracting damaged-head screws. They are part of the screw extractors and accessories category at Sanco Grup, are made in Japan and are recommended by the Romanian Association of Electricians (AREL).The bits have a special tip that grips the damaged screw head firmly and allow extraction by pressing and twisting or by striking and turning, depending on the model. They are used with the ENGINEER DZ-70 and DZ-71 extractor handles, the DR-22, DR-23 and DR-24 extensions, or any standard 6.35 mm bit holder, for screwdrivers and ratchet screwdrivers.
Available products
ENGINEER DBZ-51 extractor bit, Phillips no. 2 (press and twist)
ENGINEER DBZ-51 extractor bit for Phillips no. 2 screws, press-and-twist type, with a 6.35 mm hex shank. For extracting cross-head screws with a damaged head, by firm pressing and slow twisting.ENGINEER DBZ-52 extractor bit, Phillips no. 2 (strike and turn)
ENGINEER DBZ-52 extractor bit for Phillips no. 2 screws, strike-and-turn type, with a 6.35 mm hex shank. Used with an impact handle, transmitting the hammer shock directly to the tip, for very stuck screws.ENGINEER DBZ-53 extractor bit, 2.5 - 3 mm hex socket
ENGINEER DBZ-53 extractor bit with a 2.5 - 3 mm hex socket, with a 6.35 mm hex shank, for damaged hex-head screws.ENGINEER DBZ-54 extractor bit, 4 mm hex socket
ENGINEER DBZ-54 extractor bit with a 4 mm hex socket, with a 6.35 mm hex shank, for damaged hex-head screws.ENGINEER DBZ-57 extractor bit, Phillips no. 1 (press and twist)
ENGINEER DBZ-57 extractor bit for Phillips no. 1 screws, press-and-twist type, with a 6.35 mm hex shank, for smaller cross-head screws with a damaged head.Key features
6.35 mm hex shank
The bits have a standard 6.35 mm (quarter-inch) hex shank, compatible with extractor handles, extensions, screwdrivers and ordinary bit holders.Special extraction tip
The tip grips the damaged screw head (Phillips or hex) firmly and allows undoing without slipping.Press-and-twist or strike-and-turn
The press-and-twist models are used with firm pressing; the strike-and-turn models are used with an impact handle, which transmits the hammer shock directly to the tip.Wide compatibility
Works with the ENGINEER DZ-70 and DZ-71 handles, the DR-22 (100 mm), DR-23 (150 mm) and DR-24 (190 mm) extensions and standard 6.35 mm bit holders.Recommended applications
Damaged Phillips screws
Extracting cross-head screws with a worn or stripped head, in repairs and maintenance.Hex screws
Extracting damaged hex-head screws, with the hex-socket bits.Very stuck screws
The strike-and-turn models, used with an impact handle, free strongly seized screws.Service and industrial maintenance
Interventions in service, industrial maintenance and electrical installations.Usage note
The extractor bits are designed for screws made of ordinary, non-heat-treated steel. They are not recommended for hardened or heat-treated steel screws. The strike-and-turn models are used with a suitable impact handle that absorbs the hammer blow; handles and extensions are ordered separately.Advantages
- ENGINEER extractor bits with a standard 6.35 mm hex shank.
- Models for Phillips (no. 1 and no. 2) and hex screws.
- Press-and-twist and strike-and-turn variants.
- Compatible with extractor handles, extensions and standard bit holders.
- Quality steel, made in Japan, recommended by AREL.
- Available from stock, with fast delivery in Bucharest and across the country.
Related categories
See also short screw extractor bits, screw extractor sets and the full range of screw extractors and accessories.The Long screw extractor bits category from Sanco Grup includes ENGINEER DBZ series bits, with a standard 6.35 mm hex shank, for extracting damaged-head screws. The range includes the DBZ-51 (Phillips no. 2, press-and-twist), DBZ-52 (Phillips no. 2, strike-and-turn), DBZ-53 (2.5-3 mm hex socket), DBZ-54 (4 mm) and DBZ-57 (Phillips no. 1). They are used with the DZ-70 and DZ-71 handles, the DR-22/DR-23/DR-24 extensions or standard bit holders. They are made in Japan, recommended by AREL.
Frequently asked questions
What shank do the long bits have?
A standard 6.35 mm (quarter-inch) hex shank, compatible with extractor handles, extensions, screwdrivers and ordinary bit holders.What screw types do they extract?
Phillips screws (no. 1 with the DBZ-57, no. 2 with the DBZ-51 and DBZ-52) and hex-head screws (DBZ-53 for 2.5-3 mm, DBZ-54 for 4 mm).What is the difference between press-and-twist and strike-and-turn?
The press-and-twist bits (DBZ-51, DBZ-57) are used by firm pressing; the strike-and-turn bits (DBZ-52) are used with an impact handle, which transmits the hammer shock directly to the tip, for very stuck screws.What accessories do they work with?
With the ENGINEER DZ-70 and DZ-71 extractor handles, the DR-22, DR-23 and DR-24 extensions and standard 6.35 mm bit holders.FAQ
Can they be used on hardened steel?
They are not recommended on hardened or heat-treated steel screws. They are ideal for ordinary steel screws with a damaged head.
Where are they made?
They are made in Japan, from quality steel, and are recommended by AREL.
Are they available in stock?
Some are in stock, the rest on order, with fast delivery in Bucharest and across the country.
