Best Engineer's File Flat Files of 2026

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 5 Feb 2026

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Engineer's flat files are versatile tools commonly used in metalworking and woodworking industries. These files are designed with a flat shape and a double-cut pattern, making them ideal for shaping and smoothing surfaces. The high-quality steel construction ensures durability and longevity, while the ergonomic handle provides a comfortable grip for extended use. Whether you need to remove sharp edges, shape materials, or refine surfaces, engineer's flat files are essential for achieving precise and professional results.

At a Glance: Our Top Picks

Faithfull Engineers File 150mm Second Cut Cover #TOP 1
Faithfull Engineers File 150mm Second Cut
ftb score rating icon 9.8
Faithfull Engineers File Flat Second Cut 250mm Cover #TOP 2
Faithfull Engineers File Flat Second Cut 250mm
ftb score rating icon 9.7
Rolson 24727 5 Piece Engineers File Set Cover #TOP 3
Rolson 24727 5 Piece Engineers File Set
ftb score rating icon 9.5

Top 10 Engineer's File Flat Files

Faithfull Engineers File 150mm Second Cut

FIHSC6
Bunt
150mm x 16mm
Faithfull Engineers File 150mm Second Cut Cover
Faithfull FAIFIHSC6 Engineers File Flat Second Cut 150mm (6in)

The Faithfull Engineers File offers a tapered blade with a half round profile, making it ideal for various filing tasks. Its double cut design allows for efficient material removal, saving you time when working on projects. The comfortable soft-grip handle ensures ease of use, reducing hand fatigue during extended periods of work. Starting with a coarser file followed by this medium file will help you achieve a finer finish, enhancing the quality of your work.

What We Like
Efficient material removal
Tapered blade for versatility
Comfortable soft-grip handle
Ideal for fine finishes
#TOP 2

Faithfull Engineers File Flat Second Cut 250mm

FAIFIHSC10
Faithfull Engineers File Flat Second Cut 250mm Cover
Faithfull FAIFIHSC10 Engineers File Flat Second Cut 250mm (10in)

The Faithfull Engineers File is designed with slightly tapered blades and a half round profile, making it ideal for precision work. The double cut feature allows for efficient material removal, while the comfortable soft-grip handle ensures you can work for longer without discomfort. You can start with the coarser Bastard cut for quick removal and then switch to this medium Second cut file for a finer finish, perfect for achieving a smooth surface on your projects.

What We Like
Comfortable soft-grip handle
Double cut for efficiency
Slightly tapered blade design
Ideal for precision work
Versatile for different finishes
#TOP 3

Rolson 24727 5 Piece Engineers File Set

24727
5 Pieces
Rolson 24727 5 Piece Engineers File Set Cover
Rolson 24727 5 pc 200 mm Engineers File Set

The Rolson 5 Piece File Set is designed for versatile shaping tasks, particularly with wood. Featuring rubber cushion grips, you can enjoy a comfortable hold while working, ensuring precision in your projects. The set includes flat, round, triangular, square, and half-round files, providing you with a variety of shapes to tackle different jobs. Each file measures 200 mm in length, making them easy to handle and ideal for detailed work. The striking yellow and black colours also make them easy to locate in your toolbox.

What We Like
Comfortable rubber grip
Variety of file shapes
Ideal for wood shaping
Convenient length for handling
Bright, easy-to-find colours
#TOP 4

Faithfull 300mm Flat Second Cut Engineers File

FAIFIHSC12
Rd/Grey
Faithfull 300mm Flat Second Cut Engineers File Cover
Faithfull FAIFIHSC12 Engineers File Flat Second Cut 300mm (12in)

The Faithfull Engineers File offers a tapered blade with a half round profile, making it ideal for various filing tasks. The double cut design allows for efficient material removal, providing you with a faster workflow. With a comfortable soft-grip handle, you can use the file for extended periods without discomfort. The medium second cut finish is perfect for achieving a finer result, ensuring your projects have a professional touch.

What We Like
Comfortable soft-grip handle
Efficient material removal
Tapered blade for versatility
Ideal for fine finishing

Bahco Engineers File Set with ERGO Handles

7311518037994
Orange( )
Bahco Engineers File Set with ERGO Handles Cover
Bahco 1-477-08-2-2 Engineers File Set, 200mm Length, 5 Pieces

The Bahco Engineers File Set is a versatile tool set featuring five files, each measuring 200mm in length. With ERGO handles, these files provide enhanced comfort and control during use, making your filing tasks more efficient. The set includes a hand file, half round, round, three square engineering files, and a half round rasp, allowing you to tackle various filing needs, from flat surfaces to sharp corners. Supplied in a convenient plastic roll wrap, this set is perfect for keeping your workspace organised and tools protected.

What We Like
Comfortable ERGO handles
Versatile file shapes included
Convenient plastic roll wrap
High removal rate
#TOP 6

Faithfull FAIFIHRSC6 150mm Half Round File

FIHRSC6
150mm x 16mm
Faithfull FAIFIHRSC6 150mm Half Round File Cover
Faithfull FAIFIHRSC6 Engineers File Half Round Second Cut 150mm (6in)

The Faithfull Half Round File is designed to meet the needs of engineers and DIY enthusiasts alike. Its slightly tapered blades allow for versatile use, making it easier for you to achieve precision in your work. The double cut design means you can quickly remove material, while the comfortable soft-grip handle provides added comfort during extended use. With a blade length of 150mm, this file is perfect for achieving finer finishes after initial shaping, ensuring your projects are completed to a high standard.

What We Like
Comfortable soft-grip handle
Versatile half round profile
Double cut for quick material removal
Tapered blades for precision
Suitable for fine finishing
#TOP 7

Dapetz 2nd Cut Medium Flat File 8" for Metal, Plastic & Wood

DP08951
Dapetz 2nd Cut Medium Flat File 8" for Metal, Plastic & Wood Cover
Dapetz ® 2nd Cut Flat File Medium Engineers File for Metal, Plastic & Wood, 8" (200mm) – T10 Steel, Ergonomic Handle, Multi-Material Use, Precision Filing Tool

The Dapetz 2nd Cut File is a versatile tool designed for use on metal, plastic, and wood, making it perfect for a range of DIY and professional projects. Made from durable T10 steel, it promises long-lasting performance and resists wear even with frequent use. The ergonomic handle ensures you have a comfortable grip, reducing hand fatigue during extended filing sessions. With its medium 2nd cut, this file offers balanced precision, allowing you to smooth and shape surfaces accurately and efficiently.

What We Like
Works on multiple materials
Durable T10 steel build
Comfortable ergonomic handle
Precise medium 2nd cut
Compact 8" size
#TOP 8

Faithfull Engineers File Coarse 300mm

FAIFIHB12-TB
Multi
300mm (12in)
Faithfull Engineers File Coarse 300mm Cover
Faithfull FAIFIHB12 Engineers File Coarse (Bastard) 300mm (12in)

The Faithfull Coarse Engineers File is designed with a parallel blade that is slightly tapered, allowing for efficient material removal. Its double-cut design, combined with a safe edge, ensures you can work safely while achieving quick results. The comfortable soft-grip handle enhances your control and reduces fatigue during prolonged use. With a blade length of 250mm, this file is perfect for tackling various tasks, making it an essential tool for both DIY enthusiasts and professionals.

What We Like
Efficient material removal
Safe edge design
Comfortable soft-grip handle
Versatile for various tasks
#TOP 9

Proops Brothers 6" Flat Smooth Engineers File

Proops Brothers 6" Flat Smooth Engineers File Cover
Proops Brothers Engineers File, Flat, 6" 150mm, Smooth (F9601) Free UK Postage

The Proops Brothers Flat File is a 6-inch smooth engineers file, designed flat on both sides to give you excellent control when working on flat surfaces. This makes it ideal for tasks like deburring and smoothing edges, helping you achieve a neat finish. With a total length just under 8 inches, including a 2-inch tang, it offers a comfortable grip and precise handling. Its width tapers slightly, which adds to its versatility, allowing you to work on various flat surfaces with ease and accuracy.

What We Like
Flat on both sides
Ideal for deburring edges
Comfortable length and grip
Versatile width taper
#TOP 10

Fdit 8in Flat Mill File with Handle

Fdit6hv01cxmya
Black Gray
Fdit 8in Flat Mill File with Handle Cover
8in Flat Mill File Smooth Blade with Handle File Sharpening Tool Engineers Engineering Metal Sharpening File

The Fdit Flat Mill File is crafted from high-quality T12 carbon tool steel, offering you sharpness and long-lasting durability for your metalwork. Its handle features a blend of PP and TRP materials, making it environmentally friendly, non-toxic, and providing a comfortable, non-slip grip. The specially designed tooth shape ensures even and smooth filing, enhancing your cutting efficiency. With an ergonomic handle, you can use the file comfortably without hand strain or fatigue, making your work easier and more effective.

What We Like
High hardness and durability
Comfortable non-slip handle
Even, smooth tooth design
Ergonomic grip reduces fatigue
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is a flat file engineering?

Flat File. The Flat File is Double Cut on both faces and Single Cut on the edges. It tapers slightly towards the point. Used for general purposes. Half-Round File.

2. What are flat files example?

Examples of flat files include /etc/passwd and /etc/group on Unix-like operating systems. Another example of a flat file is a name-and-address list with the fields Name, Address, and Phone Number. A list of names, addresses, and phone numbers written by hand on a sheet of paper is a flat-file database.

3. What are flat file limits?

The data is arranged in rows -- or records -- across columns or fields. ... A flat-file database has no predetermined limit for the number of rows it might contain.

Editor's Notes

During our engineer's file flat file research, we found 166 engineer's file flat file products and shortlisted 10 quality products. We collected and analyzed 15,475 customer reviews through our big data system to write the engineer's file flat files list. We found that most customers choose engineer's file flat files with an average price of £6.80.

The engineer's file flat files are available for purchase. We have researched hundreds of brands and picked the top brands of engineer's file flat files, including Faithfull, Rolson, Bahco, Dapetz, Proops.

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.