
Bosch PRO Wall Chaser GNF20-40 06016C5170
Description
Powerful corded wall chaser for deep cutting with enhanced handling and dust extraction
Heavy-duty power in your hands, thanks to the 2000 W brushless motor
Built to last: the GNF20-40 delivers high durability in demanding working conditions
Smooth cuts up to 40 mm deep through masonry, sandstone, and concrete with two diamond cutting discs
Work comfortably in any position or direction with the ergonomic handle arrangement
Breathe freely: minimal dust, thanks to the Bosch Professional Click & Clean interface
Electricians often face challenges cutting grooves into walls or ceilings due to underpowered tools that struggle with different materials and lack ergonomic design. The GNF20-40 corded wall chaser, equipped with a 2000 W brushless motor, is built for professionals who need excellent performance for tough jobs. Its robust yet compact design allows you to work close to edges, while clear markings help position cuts accurately. The ergonomic handle arrangement keeps you comfortable in all positions and directions, reducing strain during intensive use. With the GNF20-40, dust extraction is seamless thanks to the Bosch Professional Click & Clean interface, keeping your workspace cleaner. You can also easily adjust the cutting depth, cutting width, and change discs without the need for any additional tools, thanks to toolless operation of all tool settings.
The GNF20-40 is ideal for use with two diamond cutting discs to mill grooves into walls or ceilings for flush-mounting cables, cable conduits, or water and heating pipes. With this corded wall chaser, you’ll be able to cut up to 40 mm deep with a smooth feed across masonry, sandstone, or concrete.
For peace of mind, you can rely on the protective features of the GNF20-40 corded wall chaser - such as the PROtection switch, brake function, and restart protection.
What's in the box:
L-BOXX 238 (1 600 A01 2G2)
2 x diamond cutting discs, 150mm (2 608 615 061)
Splitting tool (3 607 959 005)
SDS quick-locking nut (1 603 340 031)
Tensioner parts set (1 x mounting flange, 22.23mm + 4 x spacer discs 6mm + 3 x spacer discs 4mm) (1 600 A03 NK2)
Specifications
No-load speed: 7,100 rpm
No-load speed, up to: 7100 rpm
Sound power level: 113 dB(A)
Sound pressure level: 105 dB(A)
Weight: 4.5 kg
The 3 year warranty applies to tools purchased on or after September 1st 2004.
Tools must be registed online on Bosch Power Tools Warranty Registration Page to qualify for the warranty extension otherwise a standard 1 year warranty will apply.

Bosch 3-year warranty for power tools, batteries & chargers. This applies to all professional blue power tools and measuring instruments from Bosch. The warranty excludes high-frequency tools, production cordless screwdrivers and pneumatic tools, supplied accessories, battery packs and chargers.
Bosch PRO360 is a convenient and efficient portal to access numerous Bosch Professional Services. Register your tool and benefit permanently from all services such as the free extension of your tool guarantee from 1 to 3 years.
Download Bosch Pro 360 Mobile App
Why not download the Bosch Toolbox App to register for your extended warranty? The Bosch Toolbox is an innovative collection of digital professional tools for tradespeople and other professionals.
The Bosch Toolbox App is available free of charge on the Apple App Store or Google Play Store.
Download Bosch Toolbox Mobile App
What if my product is faulty?
Should you have a problem with your Bosch Power Tool please contact the Bosch Service Centre on 0344 7360109. The unit will be repaired/replaced under the warranty.
Further details can be found on the Bosch Power Tools Website.
Buyaparcel offer delivery throughout the United Kingdom, including Northern Ireland, Scottish Highlands and other Islands of the UK. We do not currently ship overseas.
UK Delivery Prices
Standard delivery is free with no minimum order charge to most mainland UK delivery addresses. Surcharges can apply to certain postcodes depending on the service type. For full details visit our Delivery Guide.
In additional to our standard service we also offer some premium delivery services if you need your item quickly
£0.00 - Standard UK Delivery (2-3 Days Approx)
£2.99 - Next Day UK Delivery (Orders placed before 3.00pm Monday - Friday)
*orders placed after 3.00pm Friday will still be delivered Monday if ordered before 11am Saturday Morning
£8.99 - Saturday Delivery (Orders placed before 3.00pm Friday)
£36.00 - Pallet Delivery (2-3 Days Approx - selected products only)
Alternatively if you view your parcel once items have been added and enter your postcode you will see what derlivery services are available.
Is My Item Available for Next Day Delivery?
If your item is stocked in our immediate picking location it will available for you to choose a next day delivery. This will be highlighted by a green tick and a 1 day dispatch time on the item information. 
You will have the option to choose this service if you are purchasing your item for delivery to mainland UK.
What courier will my item be delivered with?
If your item is being delivered in the UK or Ireland, it will be delivered by DHL eCopmmerce UK, Evri or Royal Mail, with the exception of pallet items.
Details of each courier service we offer are detailed in our Delivery Guide.
Is My Item Available for Click and Collect at your Lowestoft Store?


If your item is showing "In Stock" then you will be able to do a Same Day Click and Collect order from our Lowestoft Pinbush Road. Our cut off for same day collections is 3.00pm Mon-Fri / 11.00am Saturday. After that the product will be ready the next day for collection. After the cut off you are welcome to do a Call and Collect order by phoning our trade counter on 01502 507666. If your item is in stock you will still be able to do a same day collection and payment.
Our store is open Monday to Friday 8.00am - 5.00pm and Saturday 8.00am - 12.00pm so any orders placed the remainder of the weekend will be available for collection on Monday. Weekdays any orders placed up to midnight will be available for collection the following day. This excludes bank holidays.
Please wait for email confirmation your order is ready for collection from our store before you travel.
On collection we will require you to show a copy of your order confirmation, electronic or printed. In addition to this please bring photo ID which must be your passport or photo driving licence, matching the name on the PayPal/Amazon/Credit or Debit card used.
Collection option only available to NR and IP Postcodes
We've simplified our returns process! We now offer a no-questions-asked, free returns service within the first 30 days (subject to T&Cs).
You can find our returns information in our Terms and Help page

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