Sealey Bolt, Stud & Screw Extractor Set 18pc - AK751
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Sealey Ak751 Screw Extractor Set£5.95 delivery£110.95Visit shop →
Sealey AK751 Screw Extractor Set£5.95 delivery£110.95Visit shop →
Product Information
Full details
This 18-piece Sealey Bolt, Stud & Screw Extractor Set (AK751) is designed for professional mechanics and workshop use, offering a robust solution for removing damaged, rounded, or seized fasteners. Its key benefit lies in its specialized extractor types—screw, bolt, and stud—each engineered with unique gripping mechanisms to tackle different extraction challenges, minimizing further damage to the workpiece. A potential caveat is the need for appropriate drive tools (3/8" and 1/2"Sq drive) which may require separate purchase if not already owned.
All features
| Model Part Number | AK751 |
|---|---|
| Brand | Sealey |
Extended Product Information
FAQs
What drive sizes are required for this set?
The set requires both 3/8"Sq drive for the bolt extractors and 1/2"Sq drive for the stud extractors. You will need compatible ratchets or wrenches for these drive sizes.
How do I choose the right extractor for my bolt?
Identify whether you are removing a bolt, a stud, or a screw. Then, estimate the size of the fastener or the damaged head/shaft to select the closest matching extractor from the appropriate section (bolt, stud, or screw) of the set.
Can these extractors be used on extremely rusted fasteners?
While designed for damaged fasteners, extremely rusted or seized bolts may benefit from pre-treatment with a penetrating oil or heat before attempting extraction to reduce the risk of breaking the extractor or the fastener further.
What material are the extractors made of?
The screw and bolt extractors are made from Chrome Molybdenum steel, and the stud extractors are made from Vanadium steel, ensuring strength and durability for workshop use.
How should I store the extractor set?
The set comes in a durable storage case. It is recommended to store all the extractors within this case when not in use to keep them organized, protected, and easily accessible.
What is the weight of this set?
The Sealey Bolt, Stud & Screw Extractor Set 18pc - AK751 has a nett weight of 1.68kg.
Troubleshooting
Extractor does not grip the fastener.
Ensure the correct size extractor is being used. For bolt extractors, the head must be rounded enough for the flutes to engage. For screw extractors, the fastener needs to be sufficiently recessed for the threads to bite. For stud extractors, ensure there is enough exposed stud for the rollers to clamp onto and that they are clean.
Extractor breaks during use.
This usually indicates the fastener is seized far beyond the extractor's capability or excessive force was applied. Stop immediately. Assess the situation; the fastener may require drilling out or other more aggressive removal methods. Ensure you are using the correct drive tool and not applying uneven pressure.
Screw extractor threads strip.
The fastener may be made of a very hard material, or the extractor has been reused many times. Ensure you are turning the extractor counter-clockwise and that it is properly seated. If stripped, the fastener will likely need to be drilled out.
Stud extractor rollers slip.
Clean the stud and the extractor rollers thoroughly. Ensure the stud is not excessively corroded or deformed. Apply firm, consistent pressure with the drive tool. If the stud is very smooth, it may not provide enough friction for the rollers.
Pros and Cons
Pros
- Effectively removes damaged and rounded fasteners.
- Specialized extractors for bolts, studs, and screws offer versatility.
- Left-hand threads on screw extractors aid in removal.
- Robust construction from quality materials ensures durability.
- Comes with a dedicated storage case for organization.
Cons
- Requires appropriate 3/8" and 1/2"Sq drive ratchets or wrenches.
- May require significant force for deeply seized fasteners.
- Specific sizes may not cover every possible fastener dimension.
- Stud extractors require sufficient exposed stud for rollers to grip.
Setup, Compatibility & Care
Setup: Ensure you have the correct size drive tool (3/8"Sq or 1/2"Sq drive ratchet/wrench) suitable for the specific extractor being used. Select the appropriate extractor based on the fastener type (bolt, stud, or screw) and its approximate size.
Compatibility: This set is designed to work with standard metric and imperial-sized bolts, studs, and screws commonly found in automotive and general engineering applications. The bolt extractors are compatible with rounded-off bolt heads, screw extractors with recessed or damaged screw heads, and stud extractors with exposed studs.
Care: After each use, clean the extractors to remove debris and grease. Store them in the provided durable case to prevent loss and protect the threads and flutes from damage. Avoid using excessive force that could break the extractor itself; if a fastener is extremely seized, consider using penetrating oil or heat first. Periodically check the rollers on the stud extractors for wear or damage. Apply a light coat of oil to prevent rust on the steel components if stored for extended periods.