Best Square Hex-shank Drill Bits of 2025

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 1 Feb 2025

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Square hex-shank drill bits are versatile and durable tools that can be used for a variety of drilling tasks. With a unique hexagonal shape, these drill bits can be easily inserted into a drill and provide a secure grip, preventing slipping or wobbling during use. The square design of the drill bit allows for precise drilling in corners and tight spaces, making them ideal for DIY projects and professional use. These drill bits are available in a range of sizes to suit different drilling needs and are made from high-quality materials to ensure long-lasting performance.

At a Glance: Our Top Picks

Trend Replacement Square Drive Bit for Decking Cover #TOP 1
Trend Replacement Square Drive Bit for Decking
ftb score rating icon 9.9
FOYTOKI 8pcs Hex Drill Bit Adapter Set Cover #TOP 2
FOYTOKI 8pcs Hex Drill Bit Adapter Set
ftb score rating icon 9.8
DEWALT FLEXTORQ 5-Piece Bit Set for Impact Drivers Cover #TOP 3
DEWALT FLEXTORQ 5-Piece Bit Set for Impact Drivers
ftb score rating icon 9.6

Top 10 Square Hex-shank Drill Bits

#TOP 1

Trend Replacement Square Drive Bit for Decking

WP-DK/JIG/1
Silver
Variety pack
Trend Replacement Square Drive Bit for Decking Cover
Trend Replacement Square Drive Bit, Robertson No.1, 1/4 Inch Hex Shank, 100 mm Length, for DK/JIG Decking Jig and DK/10X60/750 Deck Screws, WP-DK/JIG/1

The Trend Replacement Drive Bit is specifically designed for use with the Trend Concealed Screw Deck Jig (DK/JIG), ensuring optimal performance during your woodworking projects. Its Robertson No.1 square drive head provides a secure fit with screws, which reduces the risk of cam-out, making your installation tasks more efficient. The bit features a 1/4 inch hex shank, allowing for quick and secure attachment to drills and drivers, enhancing stability while you work. It is also compatible with Trend No.10 x 60mm Ceramic Coated Deck Screws, ensuring superior results.

What We Like
Compatible with Trend Deck Jig
Reduces cam-out issues
Quick hex shank attachment
Durable construction
Works with specific deck screws
#TOP 2

FOYTOKI 8pcs Hex Drill Bit Adapter Set

FOYTOKI
07W9M0KF00U10LSUBLT
Silver
FOYTOKI 8pcs Hex Drill Bit Adapter Set Cover
FOYTOKI 8pcs Set Hex Drill Bits Square Impact Socket Extension Connector Hex Socket Adaptor Ball

The FOYTOKI Hex Bit Set is designed to enhance your drilling experience with its versatile features. The power drill bit adapter allows you to use a right-angle drill, making it easier to access tight spaces. The ball detent design ensures a quick and secure connection, so you can focus on your task without worrying about bits falling out. Made from durable stainless steel and chromium-vanadium steel, this set provides heavy-duty construction for reliability. The universal SDS plus compatibility means it fits most electric screwdrivers and drills, offering you great flexibility.

What We Like
Versatile right-angle design
Quick connect feature
Durable heavy-duty materials
Universal fit for most drills
#TOP 3

DEWALT FLEXTORQ 5-Piece Bit Set for Impact Drivers

DWAF3SQ2IR5
Black/White
One Size
DEWALT FLEXTORQ 5-Piece Bit Set for Impact Drivers Cover
DEWALT FLEXTORQ 5-Piece Square Drill Bit Set #2, Robertson 1/4" x 3-1/2" for Impact Drivers and Drills, Hex Shank (DWAF3SQ2IR5)

The DEWALT FLEXTORQ Bit Set is designed for durability and efficiency. Its FLEXTORQ zone absorbs impact, ensuring a longer life even in tough applications. You will benefit from the revised Robertson Square Geometry, which allows you to drive 100% more screws per bit, reducing the need for frequent replacements. The quick bit identification feature, with laser-etched size markers, helps you easily find the right bit without wasting time. Additionally, the #2 square head fits screw sizes 8-10, making it versatile for various projects.

What We Like
Longer life in tough applications
100% more screws per bit
Quick and easy bit identification
Versatile for different screw sizes
#TOP 4

Milwaukee 48-03-4410 Shockwave Hex Adapter

48-03-4410
0.850000000000009
1/4 zoll
Milwaukee 48-03-4410 Shockwave Hex Adapter Cover
Milwaukee 48-03-4410 Shockwave 1/2-Inch Square by 1/4-Inch Hex Adapter

The Milwaukee Hex Adapter is designed for ease of use, making it a convenient tool for both professionals and DIY enthusiasts. Its durable construction ensures that it can withstand rigorous tasks, providing you with reliable performance over time. Manufactured in China, this adapter meets high standards of quality. With model number 48-03-4410, you can trust that this product will enhance your drilling experience, allowing you to work efficiently and effectively.

What We Like
Easy to use
Durable construction
Reliable performance
High-quality manufacturing
#TOP 5

10-Pack Professional 8 Point Star Bit Set

DYRECELVE
8 Point Star Bit
Blue
10-Pack Professional 8 Point Star Bit Set Cover
10-Pack 8 Point Star Bit - Professional 8 Point Torx Bit (Magnetic Heads & Hex Shank) - Double Square Bit Set Made of Premium S2 Alloy Steel - 8 Point Star Bit for Trailer - Sizes #1, #2 and #3

The DYRECELVE 8 Point Star Bits are crafted from premium S2 alloy steel, ensuring durability and strength with a hardness rating of HRC60. The reinforced magnetic tips make it easy for you to grip and remove screws with confidence. This 10-pack includes sizes #1, #2, and #3, allowing for versatile use across various applications. The CNC precision assembly head ensures a perfect fit, making tasks simpler and more efficient for both professionals and DIY enthusiasts.

What We Like
High-quality S2 alloy steel
Reinforced magnetic tips
Various sizes included
CNC precision for easy use
Versatile applications
#TOP 6

Bosch ITSQ33501 3.5 in. Square Impact Bit

ITSQ33501
3.5" Length
Bosch ITSQ33501 3.5 in. Square Impact Bit Cover
Bosch ITSQ33501 3.5 in. Square #3 Impact Tough Screwdriving Bit

The Bosch ITSQ33501 Impact Bit offers remarkable durability, boasting a lifespan that is ten times longer than standard impact bits. This longevity means you can work with confidence, knowing that your tool will endure the rigours of tough tasks. Additionally, the Xtended torsion zone effectively absorbs high-torque forces from new impact drivers, reducing the risk of breakage. Its precision-engineered tips ensure a tighter fit, minimising cam-out and enhancing efficiency. Lastly, the heat-treated manufacturing process results in a stronger bit that withstands wear and tear, providing you with reliable performance over time.

What We Like
Long-lasting durability
Absorbs high torque
Tighter fit, less cam-out
Stronger construction
#TOP 7

SDS Plus Shank to Hex Socket Adaptor

RLSB5012
Variety pack
SDS Plus Shank to Hex Socket Adaptor Cover
SDS Plus Shank to 1/4" Hex Socket Adaptor + 1/4" 3/8" 1/2" Squares Drill Bit Holder Extension Connector for Screws, Nuts, Any Drill and Handheld Driver

The Walfront Socket Adaptor is designed for versatility and ease of use. Its durable metal construction ensures longevity, while the flexible out shield protects your hands during operation. You will appreciate the bit holder’s secure grip on fasteners, allowing for quick connect and disconnect. Additionally, the adaptor bends and twists, making it ideal for tight spaces where traditional drills may struggle. This makes it a valuable tool for various tasks in confined areas.

What We Like
Durable metal construction
Flexible out shield
Secure bit holder
Versatile for tight spaces
#TOP 8

DEWALT 2-Inch #2 Square Recess Power Bit

DW2212
Silver Metallic
DEWALT 2-Inch #2 Square Recess Power Bit Cover
DEWALT DW2212 2-Inch #2 Square Recess Power Bit with 1/4-Inch Hex Drive

The DEWALT Square Recess Power Bit is a practical tool designed for ease of use. With its 2-inch #2 square recess feature, it allows you to tackle various fastening tasks effortlessly, making your work more efficient. Manufactured in China, this bit is built to last, ensuring reliability in your projects. Its hex-shank design offers compatibility with a range of drill types, providing you with versatility in your toolkit. Whether you are a DIY enthusiast or a professional, this power bit will enhance your drilling experience.

What We Like
Easy to use
Durable construction
Versatile hex-shank design
Reliable performance

Durable Socket Adapter Drill Bit Holder Set

Walfront
Durable Socket Adapter Drill Bit Holder Set Cover
Durable Socket Adapter Drill Bit holder with SDS Plus Shank Square Drill Bit Extension Connector 1/4"3/8"1/2"

The Walfront Drill Bit Holder offers a versatile solution for your drilling needs with different size adapters to accommodate various tasks. Its durable hard steel construction ensures that it will withstand regular use, making it a reliable addition to your toolkit. The innovative ball detent design allows for quick connection and disconnection, providing you with convenience when switching between bits. Additionally, the universal SDS Plus shank fits most electric screwdrivers and drills, allowing you to tackle a wide range of jobs effortlessly.

What We Like
Multiple sizes for versatility
Durable hard steel construction
Quick connect and disconnect
Fits most electric tools

4pcs Stainless Steel SDS Plus Screwdriver Bit Holders

Gndie/Ba3527
4pcs Stainless Steel SDS Plus Screwdriver Bit Holders Cover
4pcs 1/4 3/8 1/2 Inch Stainless Steel SDS Plus Shank Screwdriver Bit Holder Hex and Square Wrench Adapter Extension SDS Bit Holder Black for Screwdriver

The Hilitand SDS Plus Bit Holders are crafted from durable S2 alloy steel, ensuring maximum longevity for your tools. With one hex socket and three square adapters in various sizes, you can easily tackle a range of tasks. The universal SDS plus shank design allows compatibility with most electric screwdrivers and drills, making it a versatile addition to your toolkit. The unique ball detent feature enables quick connection and disconnection, providing stability while you work.

What We Like
Durable S2 alloy steel
Multiple size options
Universal compatibility
Quick connect/disconnect feature
Compact and portable
Buying Guide Image
Editor's Notes

During our square hex-shank drill bit research, we found 30 square hex-shank drill bit products and shortlisted 10 quality products. We collected and analyzed 10,147 customer reviews through our big data system to write the square hex-shank drill bits list. We found that most customers choose square hex-shank drill bits with an average price of £12.92.

The square hex-shank drill bits are available for purchase. We have researched hundreds of brands and picked the top brands of square hex-shank drill bits, including Trend, FOYTOKI, DeWalt, Milwaukee, DYRECELVE.

Written by
Jennifer Fraser Avatar

Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.