Coobeast 35-Piece Screw Extractor & Left-Hand Drill Bit Set | HSS Titanium-Coated Reverse Drill Bits

When you encounter a stubborn, seized fastener, the Coobeast 35-Piece Screw Extractor Set offers a versatile solution that blends precision drilling with reverse-extraction tools. This kit is designed to help recover bolts and nuts without harming surrounding metal, making it a practical addition to home workshops, garages, and small industrial spaces.

What sets this kit apart is the thoughtful combination of left-handed drill bits and extractors with high-speed steel finished in a titanium coating. The 135° tip and left-handed flute design reduce axial resistance and improve cutting efficiency, especially in tight spots. The reverse-spindle capability works with compatible impact tools to help spin out broken bolts cleanly and with less effort, increasing your chances of a successful removal on the first try.

Key benefits at a glance

• 35 pieces include 16 left-hand cobalt drill bits, 13 multi-spline screw extractors, and 6 spiral screw extractors, all stored in a rugged blow-molded case.
• High-speed steel with titanium coating enhances hardness, wear resistance, and long-term performance in demanding tasks.
• The left-hand flute supports reverse operation to help spin out broken bolts with compatible impact tools.
• Cr-Mo alloy extractors (13 pieces) are laser-etched for easy identification and pairing with drill bits.
• Spiral extractors (6 sizes) reach deeper, gripping progressively as resistance increases to free stubborn fasteners.
• Organized storage and durable construction make this kit suitable for home workshops, automotive projects, and industrial maintenance.

Real-world use cases

• Automotive repairs where a bolt or stud is damaged or rounded, allowing a careful extraction sequence.
• Appliance or equipment maintenance where stripped fasteners threaten disassembly progress.
• Machinery or lawn equipment servicing in garages or service bays, where field readiness matters.

How to use (brief)

1. Identify the correct size extractor to fit the bolt space.
2. Drill a pilot hole with the matching left-hand drill bit at a controlled speed.
3. Switch to the corresponding extractor and apply steady, reverse torque with an impact wrench or tap wrench.
4. Continue until the bolt spins free, then replace with a new fastener if needed.

Note: The set notes that drill bits are not recommended for stainless steel, so plan replacements accordingly.

Quality and support

Coobeast backs this kit with product assurances and responsive support. If you have questions or hit a snag, reach out for guidance or replacement parts.