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HomeSubland Drill Bits

10 Best Subland Drill Bits Of 2026

Subland Drill Bits — Reviews, Recommendations & Updated Buying Guide May 2026

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🏆Our Top Pick
Ruko HSS Long Subland Drill Bit
01
9.9
Exceptional
(1,895 reviews)
🔥 1 interested

Ruko HSS Long Subland Drill Bit

Ruko
DISCOUNTED TODAY

Why We Love It

The most powerful 19.0 mm diameter subland drill bit available
Precision 90-degree cutting geometry conquers through-hole drilling effortlessly
Fine-grade HSS construction delivers superior hole quality every single time
RUKO's trusted engineering ensures unmatched reliability in demanding applications
9.9
Exceptional
(1,895 reviews)
🔥 1 interested
Available at AmazonShow Offer
Best Price Square RUKO HSS Long Subland Drill Bit for Thread Core Hole
02
9.6
Exceptional
(2,975 reviews)

Best Price Square RUKO HSS Long Subland Drill Bit for Thread Core Hole

DISCOUNTED TODAY

Why We Love It

Outstanding 11.0 mm precision for intricate thread core hole work
Extended 142.0 mm length reaches deep into challenging workpieces
Exceptional black finish resists wear and extends tool lifespan
Type N geometry tackles thread core holes with exceptional clarity
9.6
Exceptional
(2,975 reviews)
Available at AmazonShow Offer
Best Price Square RUKO HSS Long Subland Drill Bit
03
9.3
Excellent
(2,165 reviews)

Best Price Square RUKO HSS Long Subland Drill Bit

DISCOUNTED TODAY

Why We Love It

Strong 15.0 mm diameter balances precision with robust drilling power
Extended 169.0 mm length gives you superior reach for complex jobs
Excellent fine-grade HSS formula produces mirror-smooth finished holes
Through-hole versatility handles your widest range of drilling applications
9.3
Excellent
(2,165 reviews)
Available at AmazonShow Offer
5 PCS Extra Long Twist Drill Bits
04
9.1
Excellent
(5,015 reviews)

5 PCS Extra Long Twist Drill Bits

DISCOUNTED TODAY

Why We Love It

Extra-long 150mm reach tackles deep drilling in tight spaces
5-piece set with 2/3/3.5/4/5mm sizes covers most DIY needs
High-hardness steel conquers wood, plastic, aluminum and masonry effortlessly
9.1
Excellent
(5,015 reviews)
Available at AmazonShow Offer
3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch
05
8.9
Very Good
(1,514 reviews)

3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch

DISCOUNTED TODAY

Why We Love It

Outstanding choice with automatic spring-loaded center punch included
Three precise size options: 4-12mm, 4-20mm, 4-32mm coverage
Sheet metal drilling becomes effortless and perfectly centered
8.9
Very Good
(1,514 reviews)
Available at AmazonShow Offer
WORKPRO 17-Piece SDS Plus Drill Bit Set with Chisel Bits
06
8.7
Very Good
(2,578 reviews)

WORKPRO 17-Piece SDS Plus Drill Bit Set with Chisel Bits

WORKPRO
DISCOUNTED TODAY

Why We Love It

17-piece comprehensive set includes chisel bits for concrete versatility
SDS Plus compatibility powers through concrete, tile, brick and stone
Storage case keeps everything organized and ready for action
Practical professional solution for masonry and rotary hammer work
8.7
Very Good
(2,578 reviews)
Available at AmazonShow Offer
High-Performance Carbide Drill Bit Set
07
8.5
Very Good
(5,015 reviews)

High-Performance Carbide Drill Bit Set

High-Performance
DISCOUNTED TODAY

Why We Love It

Practical option with serrated 4-blade carbide innovation
Multi-material mastery tackles concrete, tile, glass, brick equally
Hex shank ensures rock-solid grip in modern drill chucks
8.5
Very Good
(5,015 reviews)
Available at AmazonShow Offer
VTOOLS 5 Piece Drill Bit Set For Concrete Blue (4
08
8.4
Good
(1,474 reviews)

VTOOLS 5 Piece Drill Bit Set For Concrete Blue (4

VTOOLS
DISCOUNTED TODAY

Why We Love It

Reliable pick engineered specifically for concrete drilling demands
Five sizes from 4mm to 10mm blast through masonry
VTOOLS blue series delivers professional-grade concrete penetration
8.4
Good
(1,474 reviews)
Available at AmazonShow Offer
KSP-Tec SDS Plus Drill Bit Set
09
8.2
Good
(1,274 reviews)

KSP-Tec SDS Plus Drill Bit Set

KSP-Tec
DISCOUNTED TODAY

Why We Love It

Smart SDS Plus system with 4 cutting edges for rapid drilling
7-piece set covers 5, 6, 8, 10, 12mm concrete applications
Great entry-level choice for hammer drill concrete work
Trusted for professional-grade results at practical investment
8.2
Good
(1,274 reviews)
Available at AmazonShow Offer
Aexit 20mm (Construction hardware) Head Width 350mm Long SDS drill hole Masonry Impact (15ry325qf112) Drill Bit
10
8
Good
(3,283 reviews)

Aexit 20mm (Construction hardware) Head Width 350mm Long SDS drill hole Masonry Impact (15ry325qf112) Drill Bit

Aexit
DISCOUNTED TODAY

Why We Love It

20mm head width delivers serious striking force in masonry
350mm extra-long design reaches deeply into brick and concrete
Practical SDS impact solution for heavy construction projects
8
Good
(3,283 reviews)
Available at AmazonShow Offer

Quick Pick

10 Best Subland Drill Bits Of 2026

Quick Pick

#1
Ruko HSS Long Subland Drill Bit, Fine Grade for Through Hole, Type N, 90 Degree, Black Finish, 19.0 mm Diameter, 127.0 mm Length, R102625

Ruko HSS Long Subland Drill Bit, Fine Grade for Through Hole, Type N, 90 Degree, Black Finish, 19.0 mm Diameter, 127.0 mm Length, R102625

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#2
Best Price Square RUKO HSS Long Subland Drill Bit for Thread Core Hole, Type N, 90 Degree, Black Finish, 11.0 mm Diameter, 142.0 mm Length, R102618

Best Price Square RUKO HSS Long Subland Drill Bit for Thread Core Hole, Type N, 90 Degree, Black Finish, 11.0 mm Diameter, 142.0 mm Length, R102618

View Details
#3
Best Price Square RUKO HSS Long Subland Drill Bit, Fine Grade for Through Hole, Type N, 90 Degree, Black Finish, 15.0 mm Diameter, 169.0 mm Length, R102605

Best Price Square RUKO HSS Long Subland Drill Bit, Fine Grade for Through Hole, Type N, 90 Degree, Black Finish, 15.0 mm Diameter, 169.0 mm Length, R102605

View Details
#4
5 PCS Extra Long Twist Drill Bits,Spiral Drill Bits High Hardness 150 mm Long High-Speed Steel Wood Drill Bits,2/3/3.5/4/5mm for Wood Plastic Aluminum Masonry DIY Home Building Drill Bits (A)

5 PCS Extra Long Twist Drill Bits,Spiral Drill Bits High Hardness 150 mm Long High-Speed Steel Wood Drill Bits,2/3/3.5/4/5mm for Wood Plastic Aluminum Masonry DIY Home Building Drill Bits (A)

View Details
#5
3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch, 4-12mm/4-20mm/4-32mm Drill Bits Set for Sheet Metal Hole Drilling

3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch, 4-12mm/4-20mm/4-32mm Drill Bits Set for Sheet Metal Hole Drilling

View Details
#6
WORKPRO 17-Piece SDS Plus Drill Bit Set with Chisel Bits, Rotary Hammer Drill Accessories for Concrete, Tile, Brick, Cement, Stone and Masonry, Storage Case

WORKPRO 17-Piece SDS Plus Drill Bit Set with Chisel Bits, Rotary Hammer Drill Accessories for Concrete, Tile, Brick, Cement, Stone and Masonry, Storage Case

View Details
#7
High-Performance Carbide Drill Bit Set, Serrated 4-Blade Hex Shank, Multi-Material for Fast Drilling of Concrete, Tile, Glass, and Brick

High-Performance Carbide Drill Bit Set, Serrated 4-Blade Hex Shank, Multi-Material for Fast Drilling of Concrete, Tile, Glass, and Brick

View Details
#8
VTOOLS 5 Piece Drill Bit Set For Concrete Blue (4, 5, 6, 8, And 10 mm), VT3105

VTOOLS 5 Piece Drill Bit Set For Concrete Blue (4, 5, 6, 8, And 10 mm), VT3105

View Details
#9
KSP-Tec SDS Plus Drill Bit Set, Hammer Drill for Concrete with 4 Cutting Edges, in Sizes 5, 6, 6, 8, 8, 10, 12, Concrete Drill Bit (SDS Plus Drill Set 7 Pieces)

KSP-Tec SDS Plus Drill Bit Set, Hammer Drill for Concrete with 4 Cutting Edges, in Sizes 5, 6, 6, 8, 8, 10, 12, Concrete Drill Bit (SDS Plus Drill Set 7 Pieces)

View Details
#10
Aexit 20mm (Construction hardware) Head Width 350mm Long SDS drill hole Masonry Impact (15ry325qf112) Drill Bit

Aexit 20mm (Construction hardware) Head Width 350mm Long SDS drill hole Masonry Impact (15ry325qf112) Drill Bit

View Details

Buying Guide: Subland Drill Bits

📋 Table of Contents

  1. 1.What material should subland drill bits be made from for drilling metal?
  2. 2.Why does the subland design matter compared to standard drill bits?
  3. 3.What size range do I actually need for general workshop use?
  4. 4.How do I know if a subland drill bit will fit my drill?
  5. 5.When should I buy a quality brand instead of budget bits?

1What material should subland drill bits be made from for drilling metal?

High-speed steel (HSS) works for general metalworking, but carbide-tipped bits last much longer and handle harder materials like stainless steel and cast iron. Cobalt alloy is a good middle ground if you need better heat resistance without the cost of full carbide.

2Why does the subland design matter compared to standard drill bits?

The subland design reduces the outer diameter of the cutting edge while keeping the core strong, which reduces thrust requirements and friction—this gives you better control and cleaner holes, especially in softer metals like aluminum. It's particularly useful if your drill press has limited power or you're working with delicate materials.

3What size range do I actually need for general workshop use?

A starter set covering 1mm to 13mm in 0.5mm increments handles most common jobs, but check your actual project needs first—if you're doing precision work in small components, you might want a finer range; for larger fabrication, you can skip the smallest sizes. Having a few duplicate bits in the sizes you use most (like 3mm, 5mm, and 8mm) saves time waiting for replacements.

4How do I know if a subland drill bit will fit my drill?

Check your drill's chuck capacity (usually marked on the chuck itself) and make sure the bit's shank diameter doesn't exceed it—most workshop drills take up to 13mm or 16mm. Also verify your drill's maximum RPM matches the bit's recommended speed, as subland bits in carbide can require higher speeds than HSS to perform properly.

5When should I buy a quality brand instead of budget bits?

Invest in better bits if you're drilling regularly in hard materials, need tight tolerances, or work with expensive stock—quality bits stay sharp longer and reduce scrap from overheating or wandering holes. Budget bits are fine for occasional DIY work or practice, but they dull quickly and create frustration on precision jobs.

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