Converts an SDS drill to accept standard keyless or keyed chuck fittings. A simple, low-cost way to use regular drill bits in an SDS machine without switching tools.
An SDS chuck adaptor fits into the SDS-Plus socket of a rotary hammer drill and converts it to accept a standard drill chuck. This lets you use ordinary round-shank drill bits, countersinks, and other accessories in a machine that would otherwise only take SDS-shank tooling. If you are on site with one drill and a mix of bit types, a sds chuck adapter is one of those small items that earns its place in the bag.
SDS drills are built for hammer-drilling into masonry, and their quick-release chuck is designed specifically for SDS-shank bits. The problem is that standard twist bits, HSS bits, and similar accessories do not fit that chuck directly. Swapping to a conventional drill for every non-masonry hole adds time and means carrying an extra tool. The adaptor solves that neatly by giving the SDS drill a standard 10mm or 13mm chuck fitting, depending on the adaptor type, so you can use the drill in rotary-only mode for wood, metal, or plastics without needing a second machine.
Where an SDS Chuck Adaptor Gets Used
The adaptor is most useful when you are already using an SDS drill for the bulk of the work, say drilling fixings into a block wall, and you need to occasionally bore through timber noggins, drill pilot holes in metal brackets, or run a countersink bit. Rather than unpacking a second drill, you slip the adaptor in, switch the drill to rotary mode, and carry on. It is also handy when space is tight and carrying multiple tools is not practical.
The key point is that when the adaptor is fitted and used in rotary mode, the SDS drill performs like a conventional drill. It will not deliver the same balance and feel as a purpose-built combi drill, but for occasional non-hammer tasks it does the job. Just remember to disengage the hammer function before use, or you will be putting unnecessary stress through the adaptor and the chuck.
Compatibility and Fit
This adaptor is designed for SDS-Plus (also written SDS+) drill chucks, which is the standard format found on the vast majority of rotary hammer drills from brands including Bosch, Makita, DeWalt, Hilti, and Milwaukee. It is not intended for SDS-Max tools, which use a larger, heavier shank format built for breakers and large rotary hammers. Always confirm your drill takes SDS-Plus before ordering.
The sds chuck adapter is a straightforward, no-fuss accessory at a price point where it makes sense to keep a spare in the van. At under two pounds, the question is not really whether it is worth buying, it is more a case of wondering why you did not already have one.
Pro Tip: Always switch your SDS drill to rotary-only mode before using an SDS chuck adaptor, as running the hammer function with a standard chuck fitted will damage both the adaptor and the chuck over time.
The SDS chuck adaptor is used on building sites, in workshops, and on maintenance jobs where an SDS-Plus rotary hammer drill is the primary tool to hand. It is particularly useful for joinery work, electrical first fix, and general maintenance tasks where timber, metal, and plastics need to be drilled alongside masonry work. Plumbers, electricians, and general builders all find it useful when carrying a single drill to a job.
Best For
Using standard drill bits in an SDS-Plus drill
Drilling timber, metal, and plastics with an SDS machine
Reducing the number of tools needed on site
Occasional non-hammer tasks during masonry work
Compatible With
SDS-Plus (SDS+) rotary hammer drills
Standard keyless and keyed drill chucks
Round-shank drill bits, HSS bits, countersinks
Compatible with Bosch, Makita, DeWalt, Milwaukee, Hilti SDS-Plus tools
Key Features
Converts SDS-Plus chuck to accept standard accessories
Compact and lightweight
Simple push-fit installation
Low cost accessory worth keeping as a spare
Not suitable for: Not suitable for SDS-Max drills, which use a larger shank format. Should not be used with the hammer function engaged, as this will damage the adaptor and any standard chuck or bit fitted to it.
Fit the SDS chuck adaptor by inserting its SDS shank into the drill's chuck in the same way as a standard SDS bit, pulling back the collar and pushing the shank in until it clicks. Attach your standard drill chuck or bit to the adaptor's output end. Before drilling, confirm the drill is set to rotary-only mode with the hammer mechanism disengaged.
Use the drill as normal for the task at hand. When you are done, switch back to SDS mode, remove the adaptor, and refit your SDS bits for any masonry work. The adaptor pulls out the same way any SDS bit does, by pulling back the collar and withdrawing the shank.
Set the drill to rotary-only mode and ensure the hammer function is fully disengaged before fitting the adaptor
Pull back the SDS chuck collar on the drill as you would for any SDS bit
Insert the SDS shank of the adaptor firmly into the chuck until it clicks into place
Attach the required standard drill bit or chuck accessory to the adaptor output end
Check the bit or chuck is securely fitted before drilling
Drill at an appropriate speed for the material, keeping the hammer mode off throughout
To remove the adaptor, pull back the SDS collar and withdraw the shank cleanly
Will this adaptor fit my SDS-Plus drill?
The adaptor is designed for SDS-Plus (SDS+) drills, which is the standard format used by most rotary hammer drills from brands including Bosch, Makita, DeWalt, Milwaukee, and Hilti. Check that your drill uses SDS-Plus rather than SDS-Max, which is a larger format used on heavy-duty breakers and is not compatible with this adaptor.
Can I use this adaptor with the hammer function switched on?
No. The adaptor should only be used in rotary mode with the hammer function fully disengaged. Running the hammer action with a standard chuck adaptor fitted will damage both the adaptor and any bit or chuck attached to it, and can also damage the drill's chuck mechanism.
What size bits can I use with this adaptor?
That depends on the chuck fitted to the adaptor output. Standard adaptors typically accept bits with round shanks up to 10mm or 13mm, covering most common twist bits, HSS bits, countersinks, and similar accessories. Check the chuck capacity of the adaptor before purchasing if you need to use larger diameter tooling.
The SDS chuck adaptor uses an SDS-Plus shank to interface directly with the quick-release chuck of a rotary hammer drill. The output end accepts a standard drill chuck or keyed chuck fitting. The adaptor is designed for rotary-only use and is not rated for hammer-drill applications. Construction is typically hardened steel to handle the torque transfer from the drill spindle to the fitted accessory.
Shank Type
SDS-Plus
Intended Use
Rotary mode only, no hammer
SKU
SDS-ADAP-TP
Product Type
Chucks & Adaptors
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