Three 1m SDS+ drill bits in one set: 12mm, 16mm and 24mm. Built for deep drilling through concrete, masonry and blockwork. Good honest budget pricing without skimping on the sizes you actually need.
Price
QTY
£24.90£29.88
£24.90£29.88
When you need reach, you need reach. Standard SDS+ bits top out well short of a metre, which is fine until you’re drilling through a thick retaining wall, a double-skin block build, or trying to thread cable routes through deep masonry without making a mess of multiple entry points. This 3 piece 1m SDS drill bit set gives you three of the most useful diameters in a single purchase: 12mm, 16mm and 24mm, all at 1000mm length, all ready to go straight onto any SDS+ chuck.
The set covers the core sizes a fixer or groundworker reaches for when depth is the issue rather than precision. The 12mm is your go-to for rawlbolt holes and conduit entry points where you need to punch clean and deep. The 16mm handles heavier fixings and 20mm conduit guides. The 24mm is the one you want when you’re drilling for larger core alignment, cable bundles, or anywhere you’d otherwise be fighting with a shorter bit extended past sensible use.
Where the 1m SDS Drill Bit Set Gets Used
These bits earn their keep on new builds and extensions where blockwork is thick and penetrations need to go through cleanly in a single pass. Electricians and plumbers routing through cavity walls find the length essential. Groundworkers drilling anchor points in concrete bases, builders installing lintels and post fixings into dense masonry, heating engineers dropping pipes through floor slabs. Anywhere, basically, where a standard 160mm or 260mm bit just isn’t going to cut it.
A Note on Budget Bits at This Length
At a metre long, the drill does more flex work than the bit realises. These are budget-grade, which means they are sensibly priced for jobs where you don’t want to put a premium bit through hardcore aggregate or gritty concrete block. Keep the RPM steady, let the hammer do the work, and don’t lean on them sideways. Treat them right and they’ll see out a full project without complaint.
Sold as a set of three. Fits all standard SDS+ rotary hammers.
Pro Tip: At 1m, even a small amount of lateral pressure will wear the shank fast, so always drill in hammer-only mode through the toughest sections and keep the bit moving axially rather than rocking it to clear dust.
Long SDS+ bits are a specialist item most tradespeople only reach for when the job demands it, but when they do, nothing else will do. These are used regularly by electricians chasing cable routes through thick masonry, plumbers threading pipe penetrations through block and brick, and builders drilling anchor holes in dense concrete foundations. They come into their own on cavity wall builds, insulated block construction and any situation where a single clean hole through a deep substrate saves time and material.
Best For
Deep drilling through concrete and masonry
Cable and conduit penetrations through thick walls
Anchor and fixing holes in dense blockwork
Single-pass drilling through full-width block courses
Groundwork and slab penetrations
Works With
Any standard SDS+ rotary hammer drill
Bosch, Makita, DeWalt, Hilti SDS+ chucks
110v and 240v SDS+ machines
Key Specifications
Shank: SDS+
Length: 1000mm (1 metre)
Diameters: 12mm, 16mm, 24mm
Pieces per set: 3
Suitable for: concrete, brick, blockwork, masonry
Not suitable for: Not suitable for drilling into steel, timber or other non-masonry materials. These are SDS+ fitment only and will not fit SDS-max or standard round-shank chucks.
Fit the bit into your SDS+ chuck, making sure it clicks in fully and seats correctly before you start. For most masonry work, hammer-drill mode is the right setting. Keep the bit aligned axially with the hole and let the machine do the driving rather than applying sideways pressure, which matters more at this length than with a short bit.
Clear dust regularly on deep holes by withdrawing the bit every 150mm or so. This stops the flutes packing solid and the bit binding. On very hard aggregate concrete, drop to a lower speed setting and keep the pressure consistent rather than forcing it. These are budget bits, so they reward steady technique over brute force.
Check the SDS+ shank seats fully into the chuck before starting
Mark your target depth on the bit with tape if you need a specific penetration depth
Set the drill to hammer-drill mode for masonry and concrete
Begin at low speed to establish the hole position before increasing power
Withdraw the bit every 150mm to clear dust from the flutes
Keep the drill aligned axially with the hole throughout and avoid lateral pressure
Allow the bit to cool between extended runs on hard concrete
Will these fit my SDS+ drill or do I need an adaptor?
These fit any standard SDS+ chuck directly, which covers the vast majority of rotary hammer drills on site from all the main brands. They will not fit SDS-max machines or standard keyless chucks without an adaptor, so check your drill type before ordering.
What is the difference between this 3 piece set and the 5 piece set?
The 3 piece set includes 12mm, 16mm and 24mm diameter bits. The 5 piece set adds two further sizes for a more complete spread of diameters. If you only need the core three sizes for a specific job, the 3 piece set keeps the cost down.
Each bit in this set uses an SDS+ shank profile for positive engagement in rotary hammer chucks, allowing the bit to slide axially during hammering while remaining rotationally locked. At 1000mm overall length, these are designed for deep penetration work in concrete, brick and dense blockwork. The flute geometry is designed to evacuate debris during drilling, though dust clearance becomes more important at this length than with shorter bits. Budget grade construction suits high-wear or one-project use.
Shank Type
SDS+
Overall Length
1000mm
Diameters Included
12mm, 16mm, 24mm
Pieces in Set
3
Compatible Materials
Concrete, brick, blockwork, masonry
Chuck Compatibility
SDS+ only
Size
1m 3 piece set, 1m 5 piece set
Box Quantity
set
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