Best IRWIN Jobber Drill Bits of 2026

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 5 Feb 2026

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For those looking for quality drill bits, IRWIN's Jobber Drill Bits are a reliable option. These drill bits are designed for general purpose drilling and are suitable for use on a variety of materials, including metal, wood, and plastic. With their precision-ground flutes and points, these drill bits are capable of producing clean, accurate holes with ease. Additionally, their high-speed steel construction ensures they are durable and long-lasting, making them a worthwhile investment for any DIY enthusiast or professional tradesperson.

At a Glance: Our Top Picks

Irwin 6X-Speed Blue Groove Drill Bit 20mm Cover #TOP 1
Irwin 6X-Speed Blue Groove Drill Bit 20mm
ftb score rating icon 9.9
Irwin 32mm Blue Groove Drill Bit Cover #TOP 2
Irwin 32mm Blue Groove Drill Bit
ftb score rating icon 9.8
IRWIN 10x133mm HSS Cobalt Drill Bit Cover #TOP 3
IRWIN 10x133mm HSS Cobalt Drill Bit
ftb score rating icon 9.6

Top 7 IRWIN Jobber Drill Bits

Irwin 6X-Speed Blue Groove Drill Bit 20mm

10506622
Silver / Blue
Irwin 6X-Speed Blue Groove Drill Bit 20mm Cover
Irwin 10506622 6X-Speed Blue Groove Wood Drill Bit 20mm

The Irwin Blue Groove Drill Bit is designed with a tri flute tapered flute for efficient chip ejection, allowing you to work faster with less chance of binding. This feature is particularly beneficial when drilling through wood, as it helps maintain a smooth operation. The bit's dimensions of 24.6 cm in length ensure it is compact yet effective. With years of expertise, IRWIN provides a reliable product that enhances your drilling experience, making tasks easier and more efficient.

What We Like
Faster chip ejection
Less binding during use
Compact size
Reliable brand expertise
#TOP 2

Irwin 32mm Blue Groove Drill Bit

IW10506626
Multi
32mm
Irwin 32mm Blue Groove Drill Bit Cover
Irwin 10506626 6X Blue Groove Wood Drill Bit, 32mm

The Irwin Blue Groove Bit features a unique 'Tri-Flute' design that allows for faster chip ejection, making your drilling tasks more efficient. With full screw tips, you will find it easy to use and pull through materials. The cutting spurs create clean holes with minimal breakout, ensuring a professional finish every time. Additionally, the tapered flute reduces binding, providing you with a smoother drilling experience. This drill bit is also heat treated for added durability, ensuring it lasts through numerous projects.

What We Like
Fast chip ejection
Easy to use
Cleans holes with minimal breakout
Reduces binding
Durable construction
#TOP 3

IRWIN 10x133mm HSS Cobalt Drill Bit

10502565
Multi
IRWIN 10x133mm HSS Cobalt Drill Bit Cover
IRWIN 10502565 10.0 x 133 mm HSS DIN 388 Cobalt Drill Bit

The IRWIN Cobalt Drill Bit features a 135-degree split point grinding that helps you centre your drill perfectly and reduces the effort needed while drilling. Its industrial-quality ground flute ensures high accuracy and quick removal of chips, making your drilling process smoother. The cobalt alloyed body offers excellent heat resistance, so the bit stays durable even during heavy use. Additionally, its golden tempered surface protects against rust and corrosion, keeping the bit in good condition for longer.

What We Like
Precise centring with split point
Fast chip removal
High heat resistance
Rust and corrosion resistant
#TOP 4

IRWIN 10501901 Granite Drill Bit for Percussion

10501901
Silver
6.0mm x 100mm
IRWIN 10501901 Granite Drill Bit for Percussion Cover
Irwin 10501901 Granite Drill Bit

The IRWIN Granite Drill Bit is designed for percussion drilling, making it ideal for tackling hard materials. Its straight shank rotary percussion feature allows for efficient drilling, providing users with a powerful performance. The extremely hard and wear-resistant carbide tip ensures that the bit lasts longer, reducing the need for frequent replacements. With rounded cutting edges, you can expect accurately sized holes, which is essential for precision work. This drill bit combines quality and innovation, making it a reliable choice for your drilling needs.

What We Like
Durable carbide tip
Efficient percussion drilling
Rounded cutting edges
Accurate hole sizing
Long-lasting performance
#TOP 5

IRWIN Cobalt Drill Bit 5.0 x 86 mm

10502554
IRWIN Cobalt Drill Bit 5.0 x 86 mm Cover
IRWIN 10502554 5.0 x 86 mm HSS DIN 388 Cobalt Drill Bit, 5.0-Millimetre x 86-Millimetre

The IRWIN Cobalt Drill Bit offers exceptional precision and durability for your drilling tasks. Its 135-degree split point ensures perfect centring, making it easier for you to start drilling without slipping. The industrial quality ground flute allows for high accuracy and rapid chip removal, saving you time and effort. With a cobalt alloyed body, this drill bit provides excellent heat resistance, which means it can withstand high temperatures and last longer. Its golden tempered surface also helps resist rust and corrosion, ensuring your drill bit stays in great condition.

What We Like
Perfect centring and reduced pressure
High accuracy drilling
Increased heat resistance
Rust and corrosion resistant
Extended service life
#TOP 6

IRWIN 10502557 Cobalt HSS Drill Bit 6mm

10502557
IRWIN 10502557 Cobalt HSS Drill Bit 6mm Cover
IRWIN 10502557 IW10502557 HSS Cobalt Drill Bit (Din 388, 6.0 x 93-Millimetre) Gold

The IRWIN Cobalt Drill Bit offers excellent precision thanks to its 135-degree split point grinding, which helps you centre the drill perfectly and reduces pressure while drilling. Its industrial quality ground flute ensures high accuracy and allows fast removal of chips, making your work smoother and more efficient. The cobalt alloyed body gives the drill bit increased heat resistance, so it lasts longer during tough jobs. Additionally, the golden tempered surface protects against rust and corrosion, keeping your drill bit in great condition for longer.

What We Like
Precise centring with split point
Fast chip removal
High heat resistance
Rust and corrosion resistant
#TOP 7

Irwin 11mm HSS Pro Tin Coated Drill Bit

10502600
Multi
11mm x 142mm
Irwin 11mm HSS Pro Tin Coated Drill Bit Cover
Irwin 10502600 HSS Pro Tin Coated Drill Bit,11mm x 142mm

The Irwin 11mm Drill Bit features a cutting edge that remains sharper for longer, ensuring you can complete your tasks efficiently. Its titanium nitride coating significantly reduces friction, which helps in prolonging the lifespan of the bit. This drill bit is perfect for repetitive metal drilling, whether you are using portable drills or stationary drill presses. With its robust design, you can expect consistent performance and reliable results every time you drill.

What We Like
Long-lasting sharpness
Reduced friction
Ideal for metal drilling
Compatible with various drills
Buying Guide Image
Editor's Notes

During our IRWIN jobber drill bit research, we found 139 IRWIN jobber drill bit products and shortlisted 7 quality products. We collected and analyzed 7,306 customer reviews through our big data system to write the IRWIN jobber drill bits list. We found that most customers choose IRWIN jobber drill bits with an average price of £4.19.

The IRWIN jobber drill bits are available for purchase. The top 7 picks range in price from a low of £2.00 to a high of £10.00, 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.