Top 7 Flexible Drill Bit Extensions (Twist and Turn) Reviews 2021

If you want to know the real definition of frustration, try tightening a screw in a confined space. This experience is so annoying that you may give up on DIY projects altogether.

Luckily for you, creativity and innovation have led to the creation of flexible drill bits. These tools can twist and turn in any direction so that you can have an easy time drilling in areas that an ordinary drill would have trouble reaching.

Finding the best flexible drill bit extension may be trickier than it seems due to the many brands available. We decided to make things easier for you by compiling a list of the best brands to choose from.

After that, we are going to point out the factors that you need to look for when picking your tool.

Here we go!

Top Flexible Drill Bit Extensions: Comparison Guide

In this section, we have compiled and analyzed a selection of flexible drill bit extensions which we consider to be the best on the market.

Flexible Drill Bit Extension Kits, DaKuan Fabulous...
Flexible Drill Bit Extension Drill Bit Shafts...
Flexible Shaft Drill Bit Extension - JelBo 11.8...
4 Pcs Flexible Drill Bit Extension, Screwdriver...
Daukan Drill Bit Extension Kit
Mudder Flexible Drill Bit Extension
Jelbo Shaft Extension Bits
FineGood Flexible Drill Bit Extension
Material:
Stainless Steel
High Carbon Steel
Plastic, Metal
High Carbon Steel
Compatible Fastener:
0.25 inches
0.25 inches
0.25 inches
0.25 inches
Screw Extend:
5.5 inches
11.6 inches
11.8 inches
11.6 inch
Connectors Size:
1/4 inches
1/4 inches
1/4 inches
1/4 inches
Number Of Pieces:
6 pcs
22 pcs
1 pc
4 pcs
Prime:
Flexible Drill Bit Extension Kits, DaKuan Fabulous...
Daukan Drill Bit Extension Kit
Material:
Stainless Steel
Compatible Fastener:
0.25 inches
Screw Extend:
5.5 inches
Connectors Size:
1/4 inches
Number Of Pieces:
6 pcs
Prime:
Flexible Drill Bit Extension Drill Bit Shafts...
Mudder Flexible Drill Bit Extension
Material:
High Carbon Steel
Compatible Fastener:
0.25 inches
Screw Extend:
11.6 inches
Connectors Size:
1/4 inches
Number Of Pieces:
22 pcs
Prime:
Flexible Shaft Drill Bit Extension - JelBo 11.8...
Jelbo Shaft Extension Bits
Material:
Plastic, Metal
Compatible Fastener:
0.25 inches
Screw Extend:
11.8 inches
Connectors Size:
1/4 inches
Number Of Pieces:
1 pc
Prime:
4 Pcs Flexible Drill Bit Extension, Screwdriver...
FineGood Flexible Drill Bit Extension
Material:
High Carbon Steel
Compatible Fastener:
0.25 inches
Screw Extend:
11.6 inch
Connectors Size:
1/4 inches
Number Of Pieces:
4 pcs
Prime:

Best Flexible Drill Bit Extensions in Review

1. DaKuan Flexible Drill Bit Extension Kit

Specification List:
  • Material: Stainless steel
  • Compatible Fastener Description: 0.25 inch
  • Screw Extend Tool: 5.5 inches
  • Connectors Size: ‎‎1/4 inch
  • Socket Screw Driver: ‎‎1/4 inch
  • Number Of Pieces: ‎‎6
  • Dimensions: ‎6.46 x 6.18 x 1.85 inches

DaKuan flexible drill bit extension kit close up

Opening our list is the flexible drill bit extension kit by Dakuan. It comprises three pieces of drill extension kits and three pieces of 1/4 inch socket screwdrivers.

You can expect the kits to serve you for a decent period of time due to the premium quality carbon steel construction. The flexible drill extension shaft gives you accessibility to enclosed spaces, and the tools are designed in such a way to protect your hands as you work.

Buyer’s Feedback Section

Last updated: November 8, 2021

Overall Rating 4.2 of 5 Stars 

Positive Feedback
  • Well-built
  • Flexible
  • Safety-guaranteed
Negative Feedback
  • Not made for heavy-duty tasks

2. Mudder Flexible Drill Bit Extension

Specification List:
  • Material: High-carbon steel
  • Compatible Fastener Description: 0.25 inch
  • Screw Extend Tool: 11.6 inches
  • Connectors Size: ‎‎1/4 inch
  • Compatible: Small wrenches, screwdrivers, low-speed DC hand drills, torque drills
  • Number Of Pieces: ‎‎22
  • Dimensions: ‎12.36 x 1.81 x 1.46 inches

Mudder flexible drill bit extension close up

Next on the list is the drill bit extension by Mudder, which is packed with several useful features that would make it a worthwhile investment.

Let’s start with the high-carbon steel construction that gives the tool extended life. On top of that, this flexible drill bit extension is versatile and compatible with a host of tools such as small wrenches, pneumatic screwdrivers, and torque drills.

Another thing we should mention is the ability of the shaft to twist and bend at different angles so that it can work in narrow spaces.

Lastly, the black flexible shell ensures your hands are always safe for a smooth operation.

Buyer’s Feedback Section

Last updated: November 8, 2021

Overall Rating 4.2 of 5 Stars 

Positive Feedback
  • Versatile
  • Safety-enhanced
  • Flexible design
Negative Feedback
  • Pricey

3. JelBo Flexible Shaft Extension Bit

Specification List:
  • Material: Plastic, metal
  • Compatible Fastener Description: 0.25 inch
  • Screw Extend Tool: 11.8 inches
  • Connectors Size: ‎‎1/4 inch
  • Compatible: Cordless & electric screwdriver, low-speed DC hand drill
  • Pattern: ‎‎Flexible shaft
  • Shape: ‎‎Drop point
  • Thickness: ‎‎2.54 centimeters
  • Power Source: ‎‎‎AC/DC
  • Maximum torque: ‎‎4N
  • Dimensions: ‎11.6 x 1 x 1 inches

flexible drill bit extension for electrical repair

If you are looking for an affordable option, here is a product that would be a reasonable pick. However, its price isn’t the only thing going for it.

First off, the use of high-carbon steel makes this bit durable and practical to use. Additionally, the 1/4″ hex bit holder and connector fit well so that the bit becomes suited for hand drills and electric drills.

The extension bit can also bend and twist in limited spaces for flexibility and features a shield that would protect your hands as the internal shaft rotates.

Finally, you can put the bit to a wide range of uses, including maintenance and repair for furniture and electrical appliances.

Buyer’s Feedback Section

Last updated: November 8, 2021

Overall Rating 4.3 of 5 Stars 

Positive Feedback
  • Superior build
  • Allows for small space operation
  • Protects your hands
Negative Feedback
  • Handles minimal torque

4. DEWALT 12-Inch Flex Shaft

Specification List:
  • Material: Plastic
  • Power Source: Corded electric
  • Right Angle Flex Shaft: 12 inches
  • Hex shank.: ‎‎1/4 inch
  • Maximum Chuck Size: ‎‎20 millimeters
  • Right Angle Flex Shaft: ‎‎12 inches
  • Dimensions: ‎3.88 x 1.5 x 14.72 inches

DeWalt 12-Inch flex shaft - 90 degree shaft

The outstanding feature of the DEWALT flex shaft is its smart design which includes a 90-degree shaft. This design gives the tool exceptional versatility.

While the shaft itself may not be that flexible, it can work in most confined spaces.

Another notable feature is the rapid-load head that allows for fast and easy bit changes. Additionally, each fastener is supported by a magnet, allowing for accurate alignment.

Finally, the product features a side handle that provides it with extra leverage and support.

Buyer’s Feedback Section

Last updated: November 8, 2021

Overall Rating 4.6 of 5 Stars 

Positive Feedback
  • Versatile
  • Side handle for extra support
  • Easy bit changes
Negative Feedback
  • Less flexible than competitors

5. FineGood Flexible Drill Bit Extension

Specification List:
  • Material: High-carbon steel
  • Compatible Fastener Description: 0.25 inch
  • Length: 11.6 inches
  • Connectors Size: ‎‎1/4 inch
  • Number Of Pieces: ‎‎4
  • Dimensions: ‎‎6.85 x 6.69 x 1.38 inches

FineGood Flexible drill bit extension 4 pack overview

This flexible drill bit extension comes in a pack of four. The 11.6″ shaft is flexible enough to bend and straighten, even in the narrowest of spaces.

Next is the high-carbon steel construction that enhances the tool’s durability and practicality. Then, there is the flexible shield that protects your hands as the internal shaft rotates.

Buyer’s Feedback Section

Last updated: November 8, 2021

Overall Rating 4.3 of 5 Stars 

Positive Feedback
  • Ideal for confined spaces
  • Very flexible
  • Looks nice as a gift
Negative Feedback
  • Breaks easily

6. MAEXUS Flexible Shaft Extension Bits

Specification List:
  • Material: Plastic
  • Compatible Fastener Description: 0.25 inch
  • Torque: 3.5 N
  • RPM: 800-1,200
  • Finish Type: Polished
  • Power Source: ‎AC/DC
  • Connectors Size: ‎‎1/4″ & 11.6″
  • Number Of Pieces: ‎‎2
  • Dimensions: ‎11.5 x 1 x 1 inches

MAEXUS flexible shaft extension bits rotation

These extension bits offers the perfect combination of price and design. Their affordability means that you do not have to break the bank to acquire them.

We like their creative and high-quality construction, which is a mix of durable plastic and resilient metal to ensure that the bits remain intact for the longest time possible.

The bits are also thin, allowing them to reach screws with ease. 

Finally, these bits are compatible with many drill models, including cordless and pneumatic designs.

Buyer’s Feedback Section

Last updated: November 8, 2021

Overall Rating 4.2 of 5 Stars 

Positive Feedback
  • Well-priced
  • Universal compatibility
  • Two pieces for backup
Negative Feedback
  • Only for light-duty work

7. Qshi Flexible Screwdriver Drill Bit Extension

Specification List:
  • Material: Stainless steel
  • Compatible Fastener Description: 0.25 inch
  • Screw Extend Tool: 11.8 inches
  • Connectors Size: ‎‎1/4 inch
  • Number Of Pieces: ‎‎22
  • Dimensions: ‎‎7.01 x 5.59 x 1.85 inches

Qshi flexible screwdriver drill bit extension bit replacement

The last product on our list comes in a set of 22 pieces including ten screwdriver bits, nine socket wrench pieces, two 11.8″ flexible drill bit shafts and one drill bit extension holder.

The drill bit extension itself is highly flexible and can bend and twist to readily reach confined spaces. It can be used for a wide range of applications, including hardware maintenance and repairs.

Another benefit of this item is that it is compatible with a host of tools including a cordless screwdriver, pneumatic screwdriver, a small wrench, and a torque drill.

To top it all off is the one-year warranty that allows you to return the item if you are not satisfied with its performance.

Buyer’s Feedback Section

Last updated: November 8, 2021

Overall Rating 4.4 of 5 Stars 

Positive Feedback
  • Universal compatibility
  • Fantastic flexibility
  • Has a one-year warranty
Negative Feedback
  • Falls apart easily

The Buying Guide to High-Quality Flexible Drill Bit Extensions

In your search for the ideal flexible drill bit extension, there are several factors that you need to consider. We are going to break down these factors in detail.

I) The Drill Bit’s Shank Size

The shank size refers to the end that is stuck to the drill bit. You ought to ensure that it fits into the drill well so that you can tighten the screws as required to secure the bit into the extension.

II) Compatibility with Bits of Different Shapes

Does the extension fit round bits only or accept other shapes too? We recommend that you go for a drill bit extension that fits different standard shaft sizes. This would give it the flexibility to be suited for various operations.

III) Length of The Operation

If you don’t consider the length of your task, the drill won’t achieve the efficiency you were hoping for, and you will end up with a poorly done job.

IV) A Directional Tool

When you add a directional tool to the drill bit extension, you will get more stability and control as you operate the drill.

Safety Tips as You Use a Flexible Bit

Your safety should always be a top priority, and that is why we have decided to include the following pointers to ensure you come out of the operation in one piece.

  • Always have a transparent safety glass as you embark on any drilling operation
  • Control both ends of the bit with your hands and ask for extra help if necessary
  • Watch out for live hidden wires
  • Use lubricants such as oil and water whenever necessary

Frequently Asked Questions

We have compiled some queries that we faced during our research, along with their answers.

Q: What is the function of a flexible drill bit?

A: This is a tool that you can use for drilling and tightening screws that are in confined places.

Q: Does a flexible bit extension have a hammering function?

A: No, it does not. However, you can use it for impact drilling, which is the closest function to hammering.

Q: Which type of drill machine can a flexible extension work with?

A: You can use the extension with both a manual and an electric drill.

The Best Overall

Our top pick is the DaKuan Flexible Drill Bit Extension Kit. It is well built, offers flexibility, and is designed with your safety in mind.

Final Thoughts

We hope our article has touched on everything you wanted to know concerning flexible drill bit extensions. Hopefully, you picked up some valuable pointers and are in a better position to make an informed decision next time you go shopping for this tool.

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