M35 Cobalt Left-Hand Stubby Drill Bit – Precision Reverse Drill Bit for Broken Bolt & Screw Removal

Remove broken bolts and damaged screws with ease using this M35 Cobalt Left-Hand Stubby Drill Bit. Designed with a 135° split point and reverse cutting action, this heavy-duty drill bit is ideal for extracting seized fasteners, drilling pilot holes for screw extractors, and working in tight spaces where standard drill bits can't reach.

Premium M35 Cobalt Steel Construction

Built for Strength & Long Service Life

Manufactured from premium M35 cobalt steel, this drill bit delivers superior hardness, heat resistance, and wear resistance.

Features include:

• Precision-ground cutting edges

• High heat resistance

• Excellent wear resistance

• Long-lasting cutting performance

• Ideal for demanding metalworking applications

Designed for repeated use on tough materials.

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Stubby Design for Tight Spaces

Reach Areas Standard Drill Bits Can't

The compact design makes this drill bit perfect for confined workspaces.

Dimensions:

• Overall Length: 2-1/4 Inches

• Cutting Flute Length: 1-1/16 Inches

Ideal for:

• Engine bays

• Machinery repairs

• Automotive maintenance

• Tight mechanical assemblies

• Limited clearance applications

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135° Split Point Tip

Fast, Accurate Self-Centering Drilling

The precision 135° split point helps eliminate walking while providing fast starts and cleaner holes.

Benefits include:

• Self-centering tip

• Faster drilling

• Reduced slipping

• Improved drilling accuracy

• Smooth chip removal

Perfect for precise drilling on hard metal surfaces.

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Left-Hand Reverse Cutting Design

Ideal for Removing Broken Fasteners

The reverse (left-hand) cutting action can often loosen damaged bolts or screws while drilling.

Excellent for:

• Broken Bolt Removal

• Stripped Screw Removal

• Damaged Stud Extraction

• Preparing Pilot Holes for Screw Extractors

• Automotive Repairs

• Mechanical Maintenance

Many fasteners back out before an extractor is even needed.

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Works on Multiple Metals

Designed for Tough Materials

Suitable for drilling through:

• Stainless Steel

• Aluminum

• Hardened Steel

• Mild Steel

• Cast Iron

• Copper

• Brass

• Other Hard Metals

Ideal for professional shops and DIY projects alike.

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Easy Broken Bolt Removal Process

Simple Step-by-Step Operation

1. Grind or flatten the damaged bolt or screw head if necessary.

2. Mark the center with a center punch.

3. Drill in reverse using the left-hand drill bit with light cutting oil.

4. In many cases, the fastener backs out during drilling.

5. If needed, the drilled hole serves as a pilot hole for a screw extractor.

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Product Features

Why Choose This Left-Hand Drill Bit?

• Premium M35 cobalt steel construction

• Stubby design for tight work areas

• Precision-ground cutting edges

• 135° split point for fast self-centering starts

• Reverse cutting action helps remove broken bolts and screws

• Ideal for screw extractor pilot holes

• High heat and wear resistance

• Suitable for stainless steel, aluminum, and other hard metals

• Professional-grade durability

• Perfect for automotive, industrial, workshop, and home repairs

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Product Specifications

Technical Details

• Material: M35 Cobalt Steel

• Type: Left-Hand Stubby Drill Bit

• Overall Length: 2-1/4 Inches

• Flute Length: 1-1/16 Inches

• Point Angle: 135° Split Point

• Rotation: Left-Hand (Reverse)

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Applications

Perfect For

• Broken Bolt Removal

• Stripped Screw Extraction

• Damaged Stud Removal

• Automotive Repairs

• Machine Maintenance

• Metal Fabrication

• Industrial Equipment Repair

• Home Workshop Projects

Choose this M35 Cobalt Left-Hand Stubby Drill Bit for reliable performance, faster bolt extraction, and precision drilling in confined spaces. Its durable cobalt construction and reverse-cutting design make it an essential tool for mechanics, technicians, and DIY enthusiasts.