Best IRWIN Forstner Bits of 2025

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 1 Feb 2025

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Forstner bits are woodworking drill bits designed to create flat-bottomed holes with smooth sides. The IRWIN brand offers a range of Forstner bits in various sizes to suit different woodworking needs. Made from high-speed steel, these bits are durable and provide precise cuts without splintering the wood. The bits have a sharp centre point that helps to guide the drill and create accurate holes. With their superior quality and performance, IRWIN Forstner bits are a great addition to any woodworker's toolkit.

At a Glance: Our Top Picks

IRWIN Marples 8 Piece Forstner Bit Set Cover #TOP 1
IRWIN Marples 8 Piece Forstner Bit Set
ftb score rating icon 9.9
IRWIN Marples 14-Piece Forstner Bit Set Cover #TOP 2
IRWIN Marples 14-Piece Forstner Bit Set
ftb score rating icon 9.8
Irwin Marples 1/2" Wood Drilling Forstner Bit Cover #TOP 3
Irwin Marples 1/2" Wood Drilling Forstner Bit
ftb score rating icon 9.6

Top 7 IRWIN Forstner Bits

IRWIN Marples 8 Piece Forstner Bit Set

1966892
Multi
One Size
IRWIN Marples 8 Piece Forstner Bit Set Cover
IRWIN Marples Forstner Bit Set, Wood Drilling, 8 Piece (1966892)

The IRWIN Forstner Bit Set is designed to easily drill high-quality flat-bottomed and pocket holes, making your woodworking projects more efficient. With its ultra-sharp cutting teeth, you will find that it smoothly cuts through both hard and soft woods, reducing the effort needed. This set significantly shortens cutting time compared to traditional forstner bits, allowing you to complete tasks quicker. Additionally, the reduced shank fits drills and drill presses of 3/8" and larger, providing versatility for various tools.

What We Like
High-quality flat-bottomed holes
Ultra-sharp cutting teeth
Reduces cutting time
Fits various drills

IRWIN Marples 14-Piece Forstner Bit Set

1966893
⭐️ Exclusive
IRWIN Marples 14-Piece Forstner Bit Set Cover
IRWIN Marples Forstner Bit Set, Wood Drill Bits, Made of Carbon Steel, Ideal for Fine Woodworking, Cabinet-making and more, 14 Pieces (1966893)

The IRWIN Forstner Bit Set is designed for precision woodworking, enabling you to easily drill high-quality flat-bottomed and pocket holes. With ultra-sharp cutting teeth, these bits smoothly cut through both hard and soft woods, ensuring efficient results every time. You will appreciate the significant reduction in cutting time compared to traditional Forstner bits, making your projects quicker and more enjoyable. The reduced shank fits various drills, enhancing compatibility and convenience for your woodworking tasks.

What We Like
High-quality flat-bottomed holes
Ultra-sharp cutting teeth
Reduces cutting time
Compatible with various drills
#TOP 3

Irwin Marples 1/2" Wood Drilling Forstner Bit

1966896
Multi
1/2 in
Irwin Marples 1/2" Wood Drilling Forstner Bit Cover
Irwin Tools 1966896 Irwin Marples Wood Drilling Forstner Bit, 1/2",

The Irwin Marples Forstner Bit is designed to drill flat-bottomed and pocket holes much quicker than traditional options. Its ultra-sharp cutting teeth are specifically engineered, allowing you to cut through both hard and soft woods with ease. This tool delivers high-quality results with a fine, smooth finish, making it perfect for fine woodworking and cabinet-making. Additionally, the reduced shank fits 3/8" and larger drills and drill presses, offering versatility for various projects.

What We Like
Fast drilling performance
Ultra-sharp cutting teeth
High-quality smooth finish
Versatile reduced shank
#TOP 4

Irwin Marples 2-1/8" Wood Drilling Forstner Bit

1966939
2-1/8"
Irwin Marples 2-1/8" Wood Drilling Forstner Bit Cover
Irwin Tools 1966939 Irwin Marples Wood Drilling Forstner Bit, 2-1/8",

The Irwin Marples Forstner Bit is designed to drill flat-bottomed and pocket holes quickly, saving you valuable time compared to traditional options. Its ultra-sharp knife edge design is specifically crafted to cut through both hard and soft woods effortlessly, ensuring a smooth and efficient drilling experience. You will appreciate the high-quality finish it provides, making your woodworking projects look professional. With a reduced shank that fits drills and drill presses of 3/8" or larger, this tool is ideal for fine woodworking and cabinet-making.

What We Like
Efficient drilling time
Smooth finish on wood
Ultra-sharp cutting edge
Fits various drill sizes
Ideal for fine woodworking
#TOP 5

Irwin Tools Marples 1/4" Wood Drilling Bit

1966894
Multi
1/4 in
Irwin Tools Marples 1/4" Wood Drilling Bit Cover
Irwin Tools 1966894 Marples Wood Drilling Forstner Bit, 1/4"

The Irwin 1/4" Forstner Bit is designed to make your woodworking projects easier and more efficient. It drills flat-bottomed and pocket holes much faster than traditional bits, saving you valuable time. With ultra-sharp cutting teeth, it smoothly cuts through both hard and soft woods, ensuring a fine finish on your work. You’ll appreciate how it effortlessly creates high-quality holes that enhance the appearance of your projects. Plus, its reduced shank fits 3/8" and larger drills, adding to its versatility.

What We Like
Fast drilling speed
Ultra-sharp cutting teeth
High-quality finishes
Versatile shank size
#TOP 6

Irwin Forstner Bit 1-1/2 Inch Size

42924
Irwin Forstner Bit 1-1/2 Inch Size Cover
Irwin Tools 42924 Irwin" Forstner Bit 1-1/2"

The Irwin Forstner Bit is a 1-1/2 inch tool designed to enhance your drilling capabilities. Whether you are working on wood projects or need precision holes, this bit offers excellent performance. Manufactured in China, it is part of the Power Tool Accessories category, ensuring you have the right tools for your power drill. With this Forstner Bit, you can achieve clean and accurate cuts, making your DIY tasks easier and more efficient.

What We Like
High-quality construction
Precision drilling capability
Suitable for various projects
Easy to use
#TOP 7

Irwin 42926 Forstner Bit Tool

42926
Irwin 42926 Forstner Bit Tool Cover
Irwin 42926 Forstner Bit

The Irwin Forstner Bit is a versatile tool designed for creating clean, flat-bottomed holes in wood. With its precision cutting edges, you can achieve accurate results, making it ideal for woodworking projects. The bit is specifically designed to drill smooth holes, allowing you to work efficiently without splitting the material. Additionally, its sturdy construction ensures durability, giving you peace of mind during use. This tool is perfect for both professional tradespeople and DIY enthusiasts looking to enhance their craftsmanship.

What We Like
Creates clean flat-bottomed holes
Precision cutting edges
Durable construction
Ideal for woodworking projects
Buying Guide Image
Editor's Notes

During our IRWIN forstner bit research, we found 7 IRWIN forstner bit products and shortlisted 7 quality products. We collected and analyzed 41,286 customer reviews through our big data system to write the IRWIN forstner bits list. We found that most customers choose IRWIN forstner bits with an average price of £20.49.

The IRWIN forstner bits are available for purchase. The top 7 picks range in price from a low of £13.00 to a high of £98.00, find the one that fits your budget.

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.