• Bosch GSB18V-21 18V LightSeries Combi Drill (2x 2Ah, L-Boxx)
  • Bosch GSB18V-21 18V LightSeries Combi Drill (2x 2Ah, L-Boxx)
  • Bosch GSB18V-21 18V LightSeries Combi Drill (2x 2Ah, L-Boxx)
  • Bosch GSB18V-21 18V LightSeries Combi Drill (2x 2Ah, L-Boxx)

Bosch Professional GSB 18V-21 18V Light Series Combi Drill (2x 18V 2Ah Batteries, Charger, L-Boxx Case)

Product Code: GSB18V-21(2)

Ex VAT £ 124.17

Inc VAT £ 149.00

Bosch Professional GSB 18V-21 18V Light Series Combi Drill (2x 18V 2Ah Batteries, Charger, L-Boxx Case)


in stock

In Stock

Free delivery on this product

Free Delivery on this product

24h Dispatch

Next Working Day Delivery* Order before 3pm

Special Offer
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Bosch GSB18V-21 18V LightSeries Combi Drill (2x 2Ah, L-Boxx)

The Bosch GSB 18V-21 cordless 18V LightSeries combi drill is powerful with up to 55 Nm of torque for a 10mm drilling diameter capacity in masonry! It has variable speed and torque, and fully metal gears for reliable and durable performance.


Bosch Promotion

Claim a FREE 18V starter set from Bosch when you buy at least 3x 18V tools in a single transaction that is over £719.99 inc.VAT between the 1st July - 31st December 2022. The starter set contains a 5.5Ah ProCore battery, a 4Ah ProCore battery and a GAL 1880 CV quick charger. See all qualifying tools here. Click on the image below to make your claim on Bosch's website.

This promotion is run by Bosch. If you're having any problems with your claim then you can email them at prodeals@bosch.com.

Bosch Free 18V Starter Set

Supplied With

  • 2x 18V 2.0Ah CoolPack Lithium batteries
  • Battery charger
  • Carry case - interlocking stackable L-Boxx 136

Best Features of the Bosch GSB 18V-21 Combi Drill

  • Powerful performance: up to 55 Nm of torque for screwdriving and drilling in wood and metal, and impact drilling in masonry up to 10mm
  • 2-speed planetary gearbox allows you to customise the speed and torque of this Bosch 18V combi drill to the application and material
  • Fully metal gears for reliable and durable performance
  • Forward and reverse rotation for inserting and removing screws
  • 13mm auto-lock chuck for quick and easy bit changes without the use of tools
  • Electronic Cell Protection: protects the battery against overload, overheating and deep discharge
  • Soft grip for comfortable handling
  • Bright LED light for illuminating the work area
  • Battery charge level indicator ensures that you never run out of power unexpectedly when using this Bosch GSB combi drill

Technical Spec.

  • Battery voltage: 18V
  • No-load speed (1st/2nd gear): 0-480/1,800 rpm
  • Max. torque (hard/soft): 55/21 Nm
  • Torque settings: 20+1
  • Chuck capacity (min./max.): 1.5/13mm
  • Max. drilling diameter in wood: 35mm
    Max. drilling diameter in steel: 10mm
    Max. drilling diameter in masonry: 10mm
  • Max. screw diameter: 10mm
  • Weight (without battery): 1.2kg
  • Vibration screwdriving: 1 m/s²
    Vibration drilling in metal: 3.3 m/s²
    Vibration impact drilling in masonry: 6.7 m/s²
  • Sound pressure level: 82 dB(A)
    Sound power level: 93 dB(A)

Bosch Warranty

Bosch offer a standard 1 year warranty with all of their machines, batteries and chargers. You can extend this to a 3 year warranty for power tools or a 2 year warranty for batteries and chargers by registering your product on the Bosch Pro 360 portal here within 4 weeks of purchase.

Note: Due to the nature of their application, accessories and consumables do not have a wear and tear guarantee or warranty. If you are unhappy with your product then you can contact Bosch directly to discuss this.

Bosch Warranty



Delivery Info


FREE Delivery

Free UK Delivery
Over £99*

Next Day Delivery

Next Working Day Delivery
Order by 3pm*

1 Hour Time Slot

1 Hour Time Slot
via text alert

Delivered 6 Days a Week

Delivery 6 Days a Week
Monday - Saturday


FREE Delivery

to UK mainland when you spend £99 (up to 30kg).

You can test your delivery postcode at the first step of the checkout.

A surcharge applies for orders that include a 'bulky item'/where the total weight is over 30kg. A 'bulky item' will highlight itself on the product description page. A surcharge also applies for orders that are being delivered to a UK offshore postcode. This surcharge is discounted when you spend over £99.


Order by 3pm for Next Working Day Delivery

Our working days are Monday - Friday.

Only for in-stock items (on the product description page it will display either 'next day' or '3-4 days dispatch'). Order by 2pm for items that trigger a 'freight rate' surcharge at the checkout (e.g. heavy generators and table saws) as well as anything that includes gas canisters (e.g. Paslode nails). Please allow an extra day for Scottish Highlands postcodes. Freight items can not be delivered offshore.


Small Parcel Cheaper Delivery - £2.99

Untracked 3-6 working day delivery (small parcels).

We can now provide low-cost delivery for certain small parcels of up to 2kg for orders under £99. This service is provided by Royal Mail on a 3-6 working day service (if in stock). It's applicable on accessories from Bosch, Festool, DeWalt, Trend, Fein and Makita. Some compact 18V body only tools will also qualify.


- Our deliveries are very easy to track, plus you'll get a handy 1 hour delivery window so you know when to expect your items. You'll receive a tracking number with your 'order dispatched' email.

- Your VAT invoice is always in the box with your goods.

- Your goods are always securely packaged when leaving our warehouse. We strive to ensure your goods reach you in prime condition.

Our main courier is DPD. We use DPD for the vast majority of our deliveries. APC and TNT handle other specific types of deliveries for us. In poor weather conditions our couriers may experience delays that are out of our control, however we will help you in every way possible to track delivery progress.

- Delivery to construction/job sites is possible, but done so at your own risk. Our service can deliver to an address, but we can't guarantee delivery to a specific person or location at the address. For the best outcome, please provide detailed courier instructions and a contact number that we can pass on to the courier.



UK Standard Delivery (Goods below 30kg)

UK Mainland
UK standard - next day - orders over £99 FREE
UK standard - next day - orders below £99 £6.99
UK standard - next day before noon - orders over £99 £8.99
UK standard - next day before noon - orders below £99 £15.99
Scottish Highlands
Scottish Highlands - 1-2 days - orders over £99 FREE
Scottish Highlands - 1-2 days - orders below £99 £6.99
UK Mainland - Saturday Premium
UK Saturday premium - orders over £99 £24.00
UK Saturday premium - orders below £99 £30.99
UK Offshore

Northern Ireland, Scottish Islands & other UK Islands

UK offshore - 1-2 working days - orders over £99 £7.00
UK offshore - 1-2 working days - orders below £99 £13.99
Channel Islands

Channel Islands

Channel Islands - 2 working days - orders over £99 £15.00
Channel Islands - 2 working days - orders below £99 £21.99
Order includes Paslode nails/gas:
Channel Islands - 3-5 working days - orders over £99 Unavailable
Channel Islands - 3-5 working days - orders below £99 Unavailable


UK Freight Delivery (Goods over 30kg)

UK Mainland
UK freight - 1-2 working days £25.00
Scottish Highlands & UK Offshore
Highlands freight - 2/3 days £100.00 Offshore freight Unavailable

It's unsafe to lift anything above 30kg, so a pallet is required to transport these goods.


Want Faster Delivery?

UK - Next Working Day Before Noon (*1pm for some remote postcodes) for in-stock items and only on weekdays. Orders placed after 3pm on Thursday are received on Monday morning. Orders placed after 3pm on Friday are received on Tuesday morning.

UK - Saturday Premium for in-stock items ordered between 3pm Thursday - 3pm Friday to be received on Saturday. No Sunday deliveries.


Click & Collect - Glasgow Store

  • Reserve your items by ordering on our website via our click and collect option (item must be in stock to collect)
  • Please wait until we've contacted you with a time slot so we can ensure social distancing (collection usually ready 1 hour after order placed)


Want to collect in Glasgow? Reserve online and pick up at your convenience:

1. Add any in-stock items to your basket on our website

2. Select 'Collection - Glasgow Store' at the checkout

3. Enter your name, number, email & invoice address

4. Collect and pay in store (within 2 business days)


Delivery to Europe - Ireland Only

Currently unavailable.

Delivery is available to Ireland. We're currently unable to ship items above 30kg. You must place your order with VAT included. We will then refund the VAT upon confirmation of your VAT number. Email your VAT number to sales@kelvinpowertools.com immediately after placing your order.

Irish Republic
2-day delivery £12.00


All of our delivery charges are as per the costs from the courier. We always strive to improve on these.

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