Diamond hollow core saw for boxes 120mm – for concrete and brick SDS+
Are you looking for a professional solution for fast, precise and extremely efficient drilling of holes for electrical boxes? The 120mm Diamond Hollow Hole Saw for Boxes (SDS+) is a premium tool designed for the most demanding construction, electrical and plumbing jobs. With a diameter of 120 mm, this hole saw is ideal for making holes for junction boxes, electrical sockets and other installation elements in hard building materials.
Thanks to its advanced design with teeth made of high-quality BK8 carbide alloy (tungsten carbide) and a robust alloy steel housing, this tool ensures an extremely long service life, minimal friction and clean cuts without damaging the drilling area. The included SDS Plus adapter and centering pilot drill enable immediate use with your rotary hammer and ensure perfect stability during work.
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Why choose a 120mm SDS+ hole saw?
When it comes to construction and renovation work, time and precision are of the essence. Conventional drills and chisels often cause cracks in the wall, making the work time-consuming and tiring. Our 120 mm hole saw solves these problems with its optimized tooth geometry and advanced dust extraction system. Whether you are a professional builder, electrician or passionate DIYer, this tool will save you hours of work and deliver professional results.
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Key features and technical advantages

Top-quality materials: The saw body is made of high-quality alloy steel, which is resistant to high loads and overheating.
BK8 Carbide Alloy Teeth: Brazed tungsten carbide teeth provide exceptional sharpness, fast material penetration and long tool life.
Universal SDS Plus connection: The included adapter with M22 thread allows quick and secure attachment to all rotary hammers with an SDS+ clamping system.
Spiral core and discharge openings: Special side holes on the cylinder and the spiral shape of the core reduce friction, prevent clogging and enable efficient removal of dust and chips during operation.
TCT pilot drill: The carbide-tipped pilot drill ensures precise point drilling without tool slippage at the beginning of the job.
Versatile use: Ideal tool for concrete, brick, gypsum-cement boards, plasterboard and tiles.

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Technical data and specifications
This hole saw is designed with durability and maximum field efficiency in mind. Below are the exact technical specifications of the product:



Parameters
Specification




Cutout diameter:
120mm


Clamping type (mounting):
SDS Plus


Adapter thread:
M22


Stem (adapter) length:
100mm


Teeth material:
Carbide alloy BK8 (tungsten carbide)


Housing material:
High quality alloy steel


Product weight:
1,200 kg


Product codes (SKU):
G40006, DED1508-D, M22610, 0559



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Instructions for safe and effective use
To achieve the best results and extend the life of your hole saw, we recommend following these steps:

Preparation: Screw the SDS+ adapter into the hole saw (M22 thread) and insert the pilot drill bit. Make sure that the pilot drill bit locking screw is tight.
Installation: Insert the adapter into the chuck of your SDS Plus drill or hammer drill.
Starting drilling: Start drilling by using a pilot drill bit at a lower speed to create a pilot hole. Do not apply too much pressure during the initial phase.
Deactivate the impact function (recommended): For cleaner edges and longer life of the diamond/carbide teeth, drill in non-impact mode (rotary drilling), especially in softer materials or tiles. Use the impact function with caution in hard concrete.
Cleaning the material: The side openings on the housing will automatically discharge the dust. If the core material gets stuck inside the bit, simply push it out through the side slots after drilling is complete.

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Presentation videos
Watch the operation and practical use of hole saws in the videos below:






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Frequently Asked Questions (FAQ)
1. What materials is this hole saw best suited for?
This hollow core saw is specially designed for drilling into brick walls, concrete, gypsum-cement boards, plasterboard and various types of tiles. It is ideal for preparing holes for standard 120 mm diameter electrical boxes.
2. Can I use this hole saw with a regular drill?
The hole saw is equipped with a professional SDS Plus adapter, which means it is intended for use with rotary hammers and drills that support the SDS Plus clamping system. The thread on the saw itself is M22, which also allows you to change the adapter if you have a different clamping system.
3. How to prevent the hole saw from overheating during work?
The tool is designed with a spiral core and side exhaust holes that effectively reduce friction and remove dust. To prevent overheating, we recommend occasionally lifting the bit from the hole during work to remove accumulated dust, and adjusting the pressure according to the hardness of the material.


Responsible persons:
DEDRA - Dedra-Exim Sp. z o. o. ul. 3 May St. 8, 05-800 Pruszków, Poland, sklep@dedra.pl (+48)22 738 39 89
Distributor for Slovenia: Haloorodje.si, Online Sales, Rok Groznik sp, Podturn 42, 8350 Dolenjske Toplice, info@haloorodje.si, +38669731944, Slovenia
Product origin: China

GEKO - GEKO SPÓŁKA Z OGRANICZNĄ ODPOWIEDZIALNOŚCIA SPÓŁKA KOMANDYTOWA, ul. Spacerowa 3, 97-500 Kietlin, Poland, (+48) 446824004, geko@geko.pl
Distributor for Slovenia: Haloorodje.si, Online Sales, Rok Groznik sp, Podturn 42, 8350 Dolenjske Toplice, info@haloorodje.si, +38669731944, Slovenia
Product origin: China

MAR-POL - MAR-POL SCIMPORT EXPORT M.ŚCIANA, K.ŚCIANA, 26-020 Chmielnik, Suchowola 6a, Poland, obsluga@mar-pol.sklep.pl, +48607865357
Distributor for Slovenia: Haloorodje.si, Online Sales, Rok Groznik sp, Podturn 42, 8350 Dolenjske Toplice, info@haloorodje.si, +38669731944, Slovenia
Product origin: China

Instructions for using the product:
• Check that the saw is properly assembled and ready for use. Check that all parts are properly installed and secured.
• Before starting work, make sure you have the appropriate protective equipment, including safety glasses, gloves, and headphones.
• Before using the saw, check that the blade is properly installed and secured. Make sure the blade is clean and sharp.
• Before starting cutting, make sure that the work area is well lit and that there are no obstacles that could interfere with your work.
• Hold the drill firmly and steadily while cutting. Do not press too hard, but let the blade do its work.
• After finishing work, turn off the drill and put the saw in a safe place. Wait for the blade to come to a complete stop before removing or storing it.

Useful tips for work:
• When cutting, wear appropriate protective equipment such as safety glasses, gloves and earplugs. This will protect your eyes, hands and hearing from possible injury.
• Before starting work, make sure the work area is well lit. Good lighting will allow for more accurate drilling and reduce the chance of errors.
• Hold firmly and steadily while drilling. Do not press too hard, but let the blade do its work. Too much pressure can cause damage to the blade or an uneven cut.
• After finishing work, turn off the drill and put it in a safe place. Wait for the blade to come to a complete stop before removing or storing it.
• Maintain your saw regularly by cleaning it after each use and regularly checking the condition of the blade. If the blade is damaged or worn, replace it with a new one.

Warnings:
• Wear safety glasses, a dust mask and hearing protection when working.
• Before drilling, check for electrical cables and pipes.
• Do not touch the crown immediately after work, as it may be very hot.
• Do not use a damaged or worn crown.
• Always remove the bit from the power tool before changing or cleaning it.

Same summary

The 120 mm diamond hollow core saw is particularly suitable for those who carry out occasional construction or electrical work at home or in the field, such as drilling holes in concrete or brick. Due to its specialized construction for harder materials, it is an ideal choice for craftsmen and home users who need precise cuts in robust surfaces. For users looking for a universal saw for various materials or more fine-mechanical work, the diameter and design may be a limitation for more precise or smaller interventions. The advantage of this model is its adaptability to work with SDS+ chuck and its performance in demanding materials.

Recommendation source: Enaa guides and team experiences.

User view

This type of hole saw is often used by home craftsmen, electricians and individuals in renovations where it is necessary to make larger openings in concrete or brick walls - especially for installing electrical boxes or pipes. It is practical when the challenge is in more demanding materials, as it allows for quick and clean cuts, while the reliable SDS+ connection makes it easy to use with modern drills.

Users also appreciate the reliability of the Awtools brand, as it offers proven quality tools for home and professional tasks.

Why buy at Enaa

On Enaa, you can quickly check the availability of similar hole saws and compare them, making it easier to choose the model that best suits your needs. The clear range of accessories and other accessories from the Awtools brand allows you to easily expand your tooling equipment without complications.

Answers to frequently asked questions

Can I use this hole saw on all types of concrete and brick?

The product is intended for use on most standard types of concrete and brick, but for particularly reinforced or very old materials, we recommend extra caution and compliance with the manufacturer's instructions for speed and pressure.

Which drills are compatible with the SDS+ hole saw?

The SDS+ core bit is compatible with all drills that have an SDS+ clamping system, including most common electric hammers and impact drills on the European market.

How should I maintain my diamond cutting edge?

After each use, we recommend removing any material residue from the blade surface and cleaning it with a soft brush if necessary. If there are signs of wear or slow cutting, you can refresh the cutting edge with a special sharpening stone.

What diameter of opening can I actually cut?

The hole saw allows you to cut holes with a diameter of 120 mm. However, please note that when used in particularly hard materials, the diameter may be slightly reduced due to tool and material tolerances.

Is the hole saw suitable for professional field use?

This hole saw is robust enough for more demanding field jobs where durability combined with ease of use is important.

Description updated: April 2026