Martin 438 Spiral Screw Extractor Set, 4-Piece Forged Alloy Steel Kit for Broken Studs & Screws
- The Martin 438 Screw Extractor Set is designed to remove broken bolts, studs, or screws efficiently using a spiral flute design that grips tighter as torque increases. Made of high-quality alloy steel for durability, this 4-piece set is suitable for automotive, industrial, and maintenance applications where fastener removal is needed.
- Features:
- Spiral flute design tightens grip as torque increases
- Precision machined for accuracy and performance
- Forged from high-quality alloy steel for strength
- Black oxide finish for corrosion resistance
- Includes:
- 1 x Spiral Extractor No. 1
- 1 x Spiral Extractor No. 2
- 1 x Spiral Extractor No. 3
- 1 x Spiral Extractor No. 4
- Specifications:
- Manufacturer: Martin
- Part Number: 438
- Product Type: Screw Extractor Set
- Material: Alloy Steel
- Finish: Black Oxide
- Set Quantity: 4 Pieces
- Country of Origin: USA
- The Martin 438 Screw Extractor Set can also be referred to as spiral screw remover, broken bolt extractor, stud remover set, bolt extractor kit, and reverse thread extractor.
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Martin Tool & Forge is a leading American manufacturer of high-performance hand tools, specializing in forged tools built for demanding industrial and automotive applications. Known for their strength, precision, and reliability, Martin tools are trusted by professionals worldwide.
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Q: What sizes of bolts can this screw extractor set remove?
A: The Martin 438 set includes sizes suitable for a range of small to medium broken fasteners, covering most standard needs in automotive and industrial repair.
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Q: Is the set reusable or single-use?
A: The extractors are made from durable alloy steel and are fully reusable if used properly and not damaged during removal.
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Q: Can I use these extractors with a standard drill or tap wrench?
A: Yes, these extractors can be used with hand tools like tap wrenches or with low-speed drills for precision removal.
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Q: Are these extractors suitable for left-hand or right-hand threaded bolts?
A: These spiral extractors are typically used for right-hand threaded bolts, as their reverse threading bites into standard thread direction for removal.
