Finding the right hammer drill 8mm bit is the key to any successful masonry project. Whether you are hanging shelves or installing heavy anchors, an 8mm hole is a very common size for wall plugs. Using a low-quality bit can lead to messy holes or even damage your tool. That is why choosing a high-quality hammer drill 8mm bit makes your work so much easier and faster. In this guide, we will look at the best options available today to help you get the job done right.
Quick Product Comparison
Our Top 10 Hammer Drill 8Mm Reviews – Expert Tested & Recommended
1. SDS Plus Rotary Hammer Drill Bit for Concrete and Masonry, 5/16 x 12.2 Inch Carbide Tip
This extra-long hammer drill 8mm bit is perfect for those deep drilling tasks where standard bits just won’t reach. It features a high-quality carbide tip that eats through concrete and masonry with ease.
Key Features That Stand Out
- ✓ 12.2-inch total length for deep holes
- ✓ High-grade carbide tip for durability
- ✓ Precision 8mm (5/16 inch) diameter
- ✓ Fits all standard SDS Plus rotary hammers
Why We Recommend It
We recommend this bit because its length makes it incredibly versatile for thick walls. It cuts cleanly without significant chatter, ensuring a professional finish even in tough materials.
Best For
Deep wall penetrations, installing anchors in thick blocks, and general masonry renovation work.
Pros and Cons
Pros:
- Extra reach for thick structures
- Clean cutting action
- Robust carbide tip longevity
- Excellent for brick and concrete
Cons:
- Can bend if too much side pressure is applied
- Requires a larger storage space due to length
Customer Reviews
Customer Review: Purchased this to enlarge a hole in a brick and concrete block wall to replace a hose bib. I braced for a long, slow cut but this bit took about 15 seconds to cleanly cut through.
Customer Review: i’m using this long masonry bit to break out the remnants of a 4×4 fencepost that rotted at ground level. I wanted a wood bit and couldn’t find one but this bit is working great.
2. SDS Plus Masonry Drill Bit for Concrete and Brick, 5/16 x 4.33 Inch Rotary Hammer Bit
For standard wall anchoring, this 4.33-inch hammer drill 8mm bit is the gold standard. It provides the perfect balance of speed and control for most household masonry tasks.
Key Features That Stand Out
- ✓ Compact 4.33-inch length for precision
- ✓ Alloy steel body with carbide tip
- ✓ Optimized flute design for dust removal
- ✓ Standard SDS Plus shank
Why We Recommend It
This is our editor’s choice because of its high build quality and reliable performance. It is short enough to provide maximum power transfer from your drill, making holes in seconds.
Best For
Mounting TVs, shelves, and heavy frames into brick or concrete walls.
Pros and Cons
Pros:
- Easy to control and start holes
- Very fast drilling speed
- Strong alloy steel construction
- Great price-to-performance ratio
Cons:
- Too short for thick exterior walls
- Single bit only (no spares included)
Customer Reviews
Customer Review: My initial impression was it is well made and performed excellently. It cut through the concrete easily and the size was exact.
Customer Review: Seems like a good bit and has gotten the job done the couple times I used it. Once through a lapth and plaster wall and twice through a brittle red block wall.
3. 5-Piece SDS Plus Rotary Hammer Drill Bit Set, 8x110mm Carbide Tip for Concrete and Masonry
If you have a big project and need multiple hammer drill 8mm bits, this 5-piece set is an incredible value. Never worry about a dull bit slowing you down again.
Key Features That Stand Out
- ✓ Value pack containing 5 identical 8mm bits
- ✓ Straight type carbide cutting tip
- ✓ 4.33-inch length for standard depth
- ✓ Reliable performance in masonry
Why We Recommend It
We recommend this set for its sheer value. It is much cheaper per bit than buying individually, and the quality is surprisingly high for the price point.
Best For
Contractors or DIY enthusiasts with large scale wall-plug installation projects.
Pros and Cons
Pros:
Cons:
Customer Reviews
Customer Review: I think this bit will come in handy for 1/2″ TapCons though as hole should be large enough for these screws. Good quality set for the price.
Customer Review: It wasn’t what I was expecting in terms of the set size but it is good and I’ll use it for all my wall projects.
4. NACX 3-Piece SDS Plus Rotary Hammer Bit Set, 8mm x 200mm Carbide Tipped Masonry Drill Bits
The NACX 3-piece set offers a longer 200mm reach, which is ideal for going through both plaster and brick. These hammer drill 8mm bits are built for medium-depth drilling.
Key Features That Stand Out
- ✓ 7.87-inch (200mm) length
- ✓ High hardness cemented carbide
- ✓ Twisted groove for effortless dust clearance
- ✓ Includes three bits for convenience
Why We Recommend It
The NACX bits stand out due to their twisted groove design. This helps clear dust much faster, which prevents the bit from overheating and getting stuck in deep holes.
Best For
Intermediate drilling depths through block and siding.
Pros and Cons
Pros:
- Excellent dust removal
- Stays cool during longer use
- Durable cemented carbide
- Ideal length for siding projects
Cons:
- Shank can be slightly tight in some drills
- Case not included for storage
Customer Reviews
Customer Review: These bits worked perfectly for mounting exterior fixtures. They stayed sharp through several concrete blocks.
Customer Review: The 200mm length is exactly what I needed to get through my thick exterior insulation. Great value for three bits.
5. 10-Piece 5/16 Inch SDS Plus Drill Bit Set, 160mm Carbide Tipped for Concrete and Tiles
When you are dealing with very hard stone or concrete, you might go through bits quickly. This 10-piece hammer drill 8mm set ensures you always have a fresh, sharp bit ready to go.
Key Features That Stand Out
- ✓ Bulk 10-piece pack
- ✓ YG8 Tungsten carbide tips
- ✓ 135-degree angle for precise starts
- ✓ 6 1/3-inch (160mm) total length
Why We Recommend It
We recommend this set for high-volume work. The YG8 carbide tips are tough, and the 135-degree tip angle makes it very easy to start a hole without the bit “walking” across the surface.
Best For
Large masonry projects, working with porcelain tiles, and cement block installations.
Pros and Cons
Pros:
- Large quantity for professionals
- Precise hole starting
- Handles very hard materials well
- Cost-effective in the long run
Cons:
- May dull quickly on high-PSI concrete
- Individual bit storage can be messy
Customer Reviews
Customer Review: Have done 20 holes on one bit so far. They drill great. Getting a bit more dull but still drilling. For the price they are definitely worth it.
Customer Review: I had quite a few concrete anchors to install. These worked much better than expected for the price. They are sharp and durable.
6. 10 Pack SDS Plus Rotary Hammer Drill Bits, 5/16 x 6 Inch for Concrete and Brick
This 10-pack of 6-inch hammer drill 8mm bits is a versatile choice for those who need a bit more depth than the standard 4-inch options but don’t need a foot-long bit.
Key Features That Stand Out
- ✓ Convenient 6-inch length
- ✓ 10 identical bits included
- ✓ Robust masonry construction
- ✓ Reliable dust extraction flutes
Why We Recommend It
These bits are great because they offer a mid-range length that covers 90% of household and light commercial tasks. The bulk pack ensures you won’t be left stranded if you hit rebar or a particularly hard rock.
Best For
General contractors and DIYers working on stone or brick walls.
Pros and Cons
Pros:
- Versatile 6-inch length
- Excellent bulk value
- Smooth drilling performance
- Durable carbide tips
Cons:
- Not suitable for heavy industrial use
- Can heat up if used continuously
Customer Reviews
Customer Review: De las mejores que hemos usado. Trabajamos mucho haciendo agujeros en las paredes y han demostrado resistencia y calidad superior.
Customer Review: Drilled through solid granite. My Bosch Bulldog SDS Plus handled it just fine. The tip still looks brand new.
7. 9-Piece SDS Plus Rotary Hammer Drill Bit and Chisel Set, 8-18mm for Masonry and Concrete
If you are starting your tool kit from scratch, this 9-piece set includes a hammer drill 8mm bit plus several larger sizes and chisels. It is a complete solution for demolition and installation.
Key Features That Stand Out
- ✓ Variety of sizes from 8mm to 18mm
- ✓ Includes 3 essential SDS plus chisels
- ✓ 12.2-inch extra-long bit length
- ✓ Hardened carbide tips for long life
Why We Recommend It
This set is unique because it combines drilling and chiseling tools in one package. It is perfect for renovation projects where you might need to drill a hole and then chisel away some old mortar.
Best For
Full-scale bathroom or kitchen renovations and structural masonry work.
Pros and Cons
Pros:
- Comprehensive kit for all masonry needs
- Includes point and flat chisels
- Long reach for all bits
- Durable hardened steel shafts
Cons:
- Might be overkill for simple shelf hanging
- Unlabeled storage can be confusing
Customer Reviews
Customer Review: Surprisingly, drilling without the hammer function was about as fast as drilling with the hammer function. Lookin’ good for brickwork.
Customer Review: I used the chisel to get up some mortar that was stuck to concrete and it worked fine. Used a few of the bits to drill through stucco easily.
8. SDS Plus Rotary Hammer Drill Bit for Concrete and Brick, 5/16 x 4.33 Inch Masonry Bit
This precision-made hammer drill 8mm bit is designed for those who value speed and clean holes in common brickwork. It is short, stiff, and delivers power exactly where you need it.
Key Features That Stand Out
- ✓ Precise 8mm cutting diameter
- ✓ Fast-clearing double flutes
- ✓ High-quality masonry carbide tip
- ✓ 4.33-inch length for shallow anchors
Why We Recommend It
We love this bit for its speed. In standard brick, it can create a perfect hole in under 15 seconds. It is a reliable tool that should be in every homeowner’s drill box.
Best For
Quick repairs, hanging decorations, and fixing small fixtures to walls.
Pros and Cons
Pros:
- Extremely fast drilling
- Clean, round holes
- High durability for the price
- Compact and easy to store
Cons:
- Limited to 110mm total length
- Single bit only
Customer Reviews
Customer Review: This bit took about 15 seconds to cleanly cut through. It cut cleanly, without chatter and didn’t blow out the back of the brick.
Customer Review: i’m using this long masonry bit to break out the remnants of a 4×4 fencepost. It is working great.
9. SDS Plus Rotary Hammer Drill Bit for Concrete and Stone, 5/16 x 10.2 Inch Masonry Bit
For those times when a 6-inch bit is too short but a 12-inch bit is too long, this 10.2-inch hammer drill 8mm bit is the perfect middle ground.
Key Features That Stand Out
- ✓ 10.2-inch (260mm) total length
- ✓ Optimized for stone and hard concrete
- ✓ Precision tip for accurate holes
- ✓ Standard SDS plus fitment
Why We Recommend It
This bit is recommended because it offers great stability for deeper holes. It is long enough for most exterior walls while remaining stiff enough to avoid excessive vibration during use.
Best For
Installing wall vents, cable runs, and large masonry fasteners.
Pros and Cons
Pros:
- Excellent mid-range length
- Stable drilling with low vibration
- Durable tip for natural stone
- Consistent hole sizing
Cons:
- Can be difficult to clear dust in very deep holes
- Only one bit per pack
Customer Reviews
Customer Review: It cut cleanly without chatter and didn’t blow out the back of the wall. Very pleased with the results.
Customer Review: Worked exactly as needed for getting through a stone foundation. Stayed sharp to the end.
10. 5 Pack SDS Plus Rotary Hammer Drill Bits, 5/16 x 4.33 Inch for Concrete and Brick
This 5-pack of hammer drill 8mm bits provides a very affordable way to stock your toolbox with essential sizes for light masonry work.
Key Features That Stand Out
- ✓ 5-pack for multiple uses
- ✓ Standard 4.33-inch length
- ✓ Ideal for brick and soft stone
- ✓ Simple, effective design
Why We Recommend It
We recommend this pack for budget-conscious users who need a few bits for a specific one-off project. While they are simple, they do the job for most basic home anchoring needs.
Best For
Small household projects on a tight budget.
Pros and Cons
Pros:
- Very low cost per bit
- Handy to have in the junk drawer
- Fits all SDS plus rotary hammers
- Great for soft materials
Cons:
- Dulls faster on hard concrete than premium bits
- Basic build quality
Customer Reviews
Customer Review: Dulled quickly in hard brick, but worked fine for the soft mortar gaps. You get what you pay for.
Customer Review: Absolute junk for heavy work, but perfect for hanging a few light frames on my patio wall.
Complete Buying Guide for Hammer Drill 8mm
Essential Factors We Consider
When looking for the perfect hammer drill 8mm bit, you must look at the shank type. Most modern rotary hammers use SDS Plus shanks. Understanding the difference between a drill and a hammer drill is vital because hammer drills need bits that can withstand high impact. We also look at the tip material. Tungsten carbide is the best choice for longevity. Finally, check the flute design. Good flutes clear out dust, which keeps the bit cool and fast.
Budget Planning
If you only need to drill one or two holes, a single high-quality bit is your best bet. However, for larger projects, buying a multi-pack can save you a lot of money. You might also want to check out our list of the best cordless drill options if you are upgrading your entire tool kit. Generally, spending a little more on a carbide-tipped bit will save you money in the long run because it won’t dull as quickly.
Final Thoughts
Choosing the right hammer drill 8mm bit makes a huge difference in your work quality. Once you have the bit, knowing how to use a drill for screws into a wall helps you finish the job safely and professionally. Always wear eye protection and let the tool do the work!
Frequently Asked Questions
Q: Will an 8mm SDS Plus bit fit in my regular drill?
A: No, SDS Plus bits are designed for rotary hammers with a specific slot-in chuck. Standard drills use a 3-jaw chuck that usually won’t hold an SDS shank securely.
Q: What is the best length for a hammer drill 8mm bit?
A: For most wall plugs and anchors, a 4-inch (110mm) bit is perfect. Use 10-inch or 12-inch bits only if you need to go through a very thick wall or reach a deep foundation.
Q: How do I keep my 8mm masonry bit from overheating?
A: Pull the bit out slightly every few seconds while drilling to clear the dust. Using a bit with a good spiral flute design also helps move dust out automatically.
Q: Can I use an 8mm masonry bit on wood?
A: While you can, it is not recommended. Masonry bits use a “hammer” action and a blunt carbide tip that will tear wood fibers rather than cutting them cleanly.
In conclusion, choosing a quality hammer drill 8mm bit will save you time, effort, and frustration on your next home improvement project. From deep-reaching 12-inch bits to budget-friendly multi-packs, there is an option here for everyone. Pick the one that fits your needs and get started on your project today!
