5 Best Left Hand Cobalt Drill Bits for Maximum Durability and Performance

When it comes to completing challenging tasks with precision, few things can beat a high-quality left-hand drill bit cobalt. Whether you are a professional tradesperson or a DIY enthusiast, having the right drill bit will make all the difference when it comes to tackling tough projects. With their superior hardness and high degree of heat resistance, cobalt drill bits provide excellent results that are sure to impress. Here we explore the perplexity and burstiness of the best left-hand drill bits cobalt, so that you can make an informed choice when it comes to getting the job done.

Why Best Left Hand Drill Bits Cobalt Is Necessary?

Left Hand Drill Bits Cobalt are a type of drill bit that is used to create holes in materials that are difficult to drill with standard drill bits. This includes hard materials such as stainless steel, titanium and cast iron. The cobalt alloy used in these bits is strong enough to penetrate these materials without becoming too brittle or breaking. Cobalt bit also have superior heat resistance which helps the bit last longer and stay sharper for longer periods of time. The left-hand geometry of the bit helps reduce walking and provides more accurate drilling due to the angle of the cutting edge.

Comperision Chart for Best Left Hand Drill Bits Cobalt

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Century Drill & Tool 74105 Cobalt Left Hand Drill Bit, 5 Piece Set

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Century Drill & Tool 74105 Cobalt Left Hand Drill Bit, 5 Piece Set

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IRWIN Left Hand Drill Bit Set, Cobalt Alloy Steel, 5/64-Inch to 19/64-Inch, 5-Piece (30520)

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IRWIN Left Hand Drill Bit Set, Cobalt Alloy Steel, 5/64-Inch to 19/64-Inch, 5-Piece (30520)

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PTSTEL 35Pcs Screw Extractor Drill Bit Set Bolt extractors Multi-Spline Screw Extractors Spiral Screws Extractors Left Hand Cobalt Drill Bits Tool Kit (Blue)

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PTSTEL 35Pcs Screw Extractor Drill Bit Set Bolt extractors Multi-Spline Screw Extractors Spiral Screws Extractors Left Hand Cobalt Drill Bits Tool Kit (Blue)

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NordWolf 5-Piece Cobalt Alloy Steel Left Hand Drill Bit Set, Reverse Twist with 1/4

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NordWolf 5-Piece Cobalt Alloy Steel Left Hand Drill Bit Set, Reverse Twist with 1/4″ Hex Shank for Screw Extractors, SAE Sizes 5/64″-7/64″-5/32″-1/4″-19/64″ in Storage Box

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NEIKO 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set

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NEIKO 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set

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Century Drill & Tool 74105 Cobalt Left Hand Drill Bit 5 Piece Set

 Century Drill & Tool 74105 Cobalt Left Hand Drill Bit 5 Piece Set

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The Century Drill and Tool 74105 Cobalt Left Hand Drill Bit Set is an essential tool for any serious DIY’er or professional. This set includes five pieces of industrial M35 Cobalt steel with a 135-degree split point, providing the user with maximum strength and accuracy. The stubby mechanics length drill bits allow for greater control, making it ideal for any application requiring precision and accuracy. Whether you’re drilling through metal, wood, or plastic, this set will provide you with the highest-quality results every time.

Why We Like This
High quality industrial M35 Cobalt steel provides superior strength and durability
135-degree split point design provides maximum precision and accuracy
Stubby mechanics length drill bits for greater control
5 Piece Set includes 1/8″, 3/16″, 1/4″, 5/16″, and 3/8″ left hand drill bits
Ideal for drilling through metal, wood, or plastic

Common Questions & Answers
Q: What are the advantages of using a left hand drill?
A: Left hand drills provide more control when drilling in tight spaces as they rotate in the opposite direction of regular drills. They also require less force to use than standard drills, making them ideal for delicate projects.

Q: What is included in this set?
A: The Century Drill & Tool 74105 Cobalt Left Hand Drill Bit Set includes five pieces of industrial M35 Cobalt steel with a 135-degree split point: 1/8″, 3/16″, 1/4″, 5/16″, and 3/8″ left hand drill bits.

Q: Is this set suitable for use on metal?
A: Yes, the Century Drill & Tool 74105 Cobalt Left Hand Drill Bit Set is perfect for use on metal materials.

Additional Product Information

Height 0.0625
Length 5.125
Width 2.375
Size 5 Piece Set

IRWIN Left Hand Drill Bit Set Cobalt Alloy Steel, 5-64-Inch to 19-64-Inch, 5-Piece (30520)

 IRWIN Left Hand Drill Bit Set Cobalt Alloy Steel, 5-64-Inch to 19-64-Inch, 5-Piece (30520)

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The IRWIN Left Hand Drill Bit Set is a great choice for any handyman or serious DIYer. This set includes five pieces of M-42 8% Cobalt Alloy Steel high-speed steel for superior abrasive resistance in tough metals. Each piece is precision ground with a 135 split point that reduces feed pressure for easier penetration without work hardening. The heavy-duty spiral flute design produces fast chip ejection, while the shorter cutting lips reduce torque for drilling in high-tensile strength materials. With this set, you can tackle any project with ease and confidence.

Why We Like This
High-speed steel construction ensures superior abrasive resistance when drilling tough metals.
135 split point reduces feed pressure for easier penetration without work hardening.
Heavy-duty spiral flute design produces fast chip ejection.
Shorter cutting lips reduce torque for drilling in high tensile strength materials.
Ideal for use with screw extractors or other drilling tools.

Common Questions & Answers
Q: What material is the drill bits made from?
A: The IRWIN Left Hand Drill Bit Set is made from M-42 8% Cobalt Alloy Steel high-speed steel for superior abrasive resistance in tough metals.
Q: Does this set include any accessories?
A: No, the IRWIN Left Hand Drill Bit Set does not include any accessories, but it can be used with screw extractors and other drilling tools.
Q: Is this set suitable for use on high tensile strength materials?
A: Yes, the shorter cutting lips reduce torque when drilling in high tensile strength materials, making it suitable for use on these types of materials.

Additional Product Information

Height 0.6
Length 4.6
Weight 0.15
Width 2
Size 5pc

PTSTEL 35Pcs Screw Extractor Drill Bit Set Bolt extractors Multi-Spline Screw Extractors Spiral Screws Extractors Left Hand Cobalt Drill Bits Tool Kit (Blue)

 PTSTEL 35Pcs Screw Extractor Drill Bit Set Bolt extractors Multi-Spline Screw Extractors Spiral Screws Extractors Left Hand Cobalt Drill Bits Tool Kit (Blue)

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The PTSTEL 35Pcs Screw Extractor Drill Bit Set is an ideal solution for anyone looking to quickly and easily remove stuck fasteners. With a wildly range of adaptations, this set is easy to use and comes with a handy storage case so you can take it with you wherever you go. This set comes with 35 pieces, including extractors, drill bits and multi-spline screw extractors. The left hand cobalt drill bits make it easy to remove screws without damaging the surrounding material.

Why We Like This
Ideal Solution for Stuck Fasteners Quickly and easily remove stuck fasteners with this set.
Wildly Range of Adaptations Each piece in this set has multiple uses, so you can always find the right tool for the job.
Easy To Use Simply select the appropriate tool from the set and get to work!
Portable & Easy Storage Keep all your tools organized in one place with the handy storage case.
35 Pcs Extractor/Drill Bit Set Comes with extractors, drill bits and multi-spline screw extractors for all your needs.

Common Questions & Answers
Q: Does this set come with any left-hand cobalt drill bits?
A: Yes, this set comes with left hand cobalt drill bits which make it easy to remove screws without damaging the surrounding material.
Q: Is this product easy to use?
A: Yes, simply select the appropriate tool from the set and get to work!
Q: Is there a storage case included?
A: Yes, this set comes with a handy storage case so you can take it with you wherever you go.

Additional Product Information

NordWolf 5-Piece Cobalt Alloy Steel Left Hand Drill Bit Set Reverse Twist with 1-4 Hex Shank for Screw Extractors, SAE Sizes 5-64-7-64-5-32-1-4-19-64 in Storage Box

 NordWolf 5-Piece Cobalt Alloy Steel Left Hand Drill Bit Set Reverse Twist with 1-4 Hex Shank for Screw Extractors, SAE Sizes 5-64-7-64-5-32-1-4-19-64 in Storage Box

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The NordWolf 5-Piece Cobalt Alloy Steel Left Hand Drill Bit Set is an ideal choice for anyone looking to remove damaged screws and bolts, or drill a pilot hole for a screw extractor. This set is made from M35 Cobalt Alloy High Speed Steel for superior heat resistance, durability, and efficiency. It features a 135 split point drill tip for easy penetration without walking off, as well as a 1/4-inch quick exchangeable hex shank for easy loading in drills and impact drivers. The set includes five popular imperial sizes: 5/64″, 7/64″, 5/32″, 1/4″, 19/64″ and comes in a special plastic box with sliding clip on backside of the box for easy storage and identification.

Why We Like This
Made from M35 Cobalt Alloy High Speed Steel for superior heat resistance and durability
135 split point drill tip for easy penetration without walking off
Includes five popular imperial sizes: 5/64″, 7/64″, 5/32″, 1/4″, 19/64″
Special plastic box with sliding clip on backside of the box for storage and identification
Comes with 1/4-inch quick exchangeable hex shank for easy loading in drills and impact drivers

Common Questions & Answers
Q: Can the drill bits be reused?
A: Yes, the drill bits can be reused as they are made from M35 Cobalt Alloy High Speed Steel, which offers superior heat resistance.
Q: What are the sizes included?
A: The set includes five popular imperial sizes: 5/64, 7/64, 5/32, 1/4, 19/64. Q: Does it have a special packaging?
A: Yes, the NordWolf 5-Piece Cobalt Alloy Steel Left Hand Drill Bit Set comes in a special plastic box with sliding clip on backside of the box for storage and identification.

Additional Product Information

Length 0.79
Width 3.07

NEIKO 10037A Left-Hand Drill-Bit Set High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set

 NEIKO 10037A Left-Hand Drill-Bit Set High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set

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: NEIKO 10037A Left-Hand Drill-Bit Set

The NEIKO 10037A Left-Hand Drill-Bit Set is an essential tool for any home repair, automotive garage project, or professional work. This set of steel drill bits feature an angled tip, a twist style, and a 135-degree split point for precise self-centering. Constructed of high-speed steel with a titanium nitride coating, these drill bits provide a high surface hardness to help penetrate tough materials and reduce friction between the bit and the workpiece. The special left-hand design is ideal for use with reversible drills with screw extractors to remove broken fasteners, screws, bolts, and studs.

Choose from the 5-piece, 13-piece, or 15-piece SAE sets to fit your screw extractor needs. Each set comes in a high impact metal index storage case for organization and portability in your home garage or workshop.

Why We Like This

Twist drill bit set with angled tip and 135 degree split point for precise self centering
Constructed of high speed steel with titanium nitride coating providing high surface hardness

Left hand design ideal for use with reversible drills

Available in 5 piece 13 piece or 15 piece SAE sets

Comes in high impact metal index storage case for organization portability and security

Common Questions & Answers


Q: What is this set best used for?

A: This left hand drill bit set is great for home repairs, automotive garage projects, or professional work.

Q: What sizes are available?

A: This set is available in 5 piece 13 piece or 15 piece SAE sets.

Q: Is this easy to store?

A: Yes! Each set comes in a high impact metal index storage case for organization portability and security.

Additional Product Information

Height 7.87
Length 14.17
Weight 2
Width 9.06
Size 15 Piece

Benefits of Best Left Hand Drill Bits Cobalt

1. The cobalt construction makes the bits more durable and resistant to wear, which increases the lifespan of the drill bit.
2. The left-handed design allows for faster drilling in metal and other hard materials.
3. Cobalt drill bits are designed to resist heat and can be used in high-temperature applications.
4. The left-handed design helps reduce friction between the bit and the material being drilled, resulting in less heat buildup and a smoother cut.
5. The cobalt construction gives these bits a good resistance to vibration, which prevents them from becoming dull quickly and keeps them sharper for longer periods of time.

Buying Guide for Best Left Hand Drill Bits Cobalt

What are Left Hand Drill Bits Cobalt?

Left hand drill bits cobalt are drill bits specifically designed to be used in a left-hand drill, which is a type of power tool that rotates in the opposite direction of normal drills. This makes them ideal for drilling into hard materials such as metal, stainless steel, and cast iron. These drill bits are made with cobalt alloy, which is a material known for its exceptional strength and heat resistance. This makes them perfect for drilling through tough materials while still providing an accurate and clean hole.

Advantages of Using Left Hand Drill Bits Cobalt

Left hand drill bits cobalt offer several advantages over standard right-hand drill bits. The main advantage is that they can easily penetrate hard materials without damaging the surface or causing chips or splintering. Additionally, due to the unique design of the bit, it can create very precise holes without requiring additional manipulation or work on the material. Lastly, due to their high temperature resistance, they can be used in higher temperatures without fear of damage or deformation.

Types of Left Hand Drill Bits Cobalt

Left hand drill bits cobalt come in various shapes and sizes depending on the desired size and shape of the hole that needs to be drilled. The most common types are spade drills, twist drills, spot facers, and countersinks. Each type has its own purpose and application when drilling into different materials and should be chosen based on the material being drilled into as well as the desired outcome from the hole.

Considerations Before Buying Left Hand Drill Bits Cobalt

When buying left hand drill bits cobalt there are several factors to consider before making a purchase. The first thing to consider is what type of material will be drilled into as this will determine what type of bit is needed for optimal results. Additionally, its important to take into consideration how precise the hole needs to be as some types of bits will provide more accuracy than others. Lastly, its important to choose a bit that can withstand high temperatures if it will be used in such conditions as this could cause damage or deformation over time if not taken into account when purchasing a bit.

Where To Buy Left Hand Drill Bits Cobalt?

Left hand drill bits cobalt can be purchased at many local hardware stores as well as online retailers such as Amazon and eBay. Its important to compare prices between different retailers in order to get the best deal possible when making a purchase. Additionally, its recommended that customers read reviews from other customers before making any purchases in order to ensure they are getting a quality product from a trusted retailer or manufacturer.

Overall, the best left hand drill bits cobalt are an excellent choice for anyone who is looking for a high-quality, reliable and powerful drill bit. They are well-made and have a long lifespan, making them a great investment. They are also capable of drilling through tough materials, making them ideal for professional use. With their strong cobalt construction, they can easily stand up to heavy use and last for many years. They are also available in different sizes and shapes to accommodate any project.

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