Erbauer Expansive Drill Bit 22-76mm

Product Code: 11129
Erbauer Expansive Drill Bit 22-76mm
Product Code: 11129
Ideal for drilling a range of diameters with the same bit. Drills holes from 22 to 76mm in 2mm increments.


2 x cutters (22-45 and 45-76mm).
€20.95 Incl. 20% VAT
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Additional Information
Technical Specification
  • Brand : Erbauer
  • Product Height : 22-76 mm
  • Product Length : 170 mm
  • Product Type : Expansive Drill Bit
  • Total Product Weight : 0.19 kg
  • Model No : EB22-76
  • Product Width : 22-76 mm
  • Pack Size : 1
  • Shank Size : 8.6 mm
  • Shank Type : Hex
  • Product Diameter : 22-76 mm
  • Manufacturer Guarantee : 1 Year Guarantee
  • Pieces in Pack/Case : 1
Product Contents
Delivery & Returns


Standard delivery: €15

Free delivery on all orders over €70.00

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Erbauer Expansive Drill Bit 22-76mm is rated 4.0 out of 5 by 24.
Rated 4 out of 5 by from Good for over 32mm augering Like many, I imagine, not pleased at the limited diameters available for flat bits and there doesn't seem to be anything over 32mm. Needed 30mm and 40mm exactly for deck lights. I have only just bought this so I am relying on the usual Erbauer quality. Possibly read Expensive for Expansive, and the Allen key barely fits the adjuster, swapping the two variable heads over is a bit fiddly. BUT - great result. You can make any size to within 1mm. I am finding that once the central bore is through the offset head doesn't complete the drill so if you want a clean bore all the way through use a backplate
Date published: 2017-03-19
Rated 5 out of 5 by from Excellent performance Excellent performance. I have used a few Erbauer products before, namely drill bits and return to them due to the great performance and good value. I have a number of paddle/spade bits and forstner bits and thought I would try this bit out - really impressed with the neatness of the finished hole which rivals with a forstner bit finish (potentially beats). Size adjusted easily. However one slight downside was that 1 of the 2 removable rails was not quite milled properly meaning it required some jiggery pokery to make it fit within the slide for the first time (little bit of filing on the corner required). All in all really impressed with this product which saves me time, space and money, Note to screwfix/kingfisher - I had photos of the excellent finish left by this bit but there is no photo upload feature. Would recommend this feature as really aids when reading/writing reviews.
Date published: 2016-10-05
Rated 5 out of 5 by from Great product An excellent tool in drilling holes in various sizes!
Date published: 2016-07-07
Rated 5 out of 5 by from Really Useful This is just the job if you want something for boring holes of varying sizes. If you want a pizza slicer, don't use this. I've only used it for wood but it does the job nicely, probably not as quick as using a fixed flat blade and when I'm using it on a pillar drill it needs to be used on a medium speed to bore slowly without too much pressure but it gives a tidy finish.
Date published: 2016-06-29
Rated 5 out of 5 by from Absolutely Brilliant Tool Wow what an amazing addition to my toolbox this is. I needed a 40 mm hole cutter but was struggling to find one locally and didn't want to go to the expense of buying a complete set of hole cutters just to use one of them. This item far exceeded my expectation and I was able to do the job with ease. It is really sharp and flies through the timber but this doesn't mean it leaves rough edges, it leaves a very sharp edges hole. Superb piece of kit.
Date published: 2016-06-13
Rated 4 out of 5 by from good but... This is good but be careful as the cutters are eccentric. So if you do as I did, measure the diameter of the dowel with a caliper and set the drill to that diameter with the caliper, the hole is too big because the cutter doesn't run across the diameter - my fault entirely for not noticing but something to be aware of. Apart from that it worked well.
Date published: 2016-06-01
Rated 4 out of 5 by from Erbauer expansive drill bit Only drilled two 65mm. deep holes so far, so a bit early to make valid comment but the drill appears to do the job. My old expansive bit lasted many years hopfully this will give the same service
Date published: 2016-03-31
Rated 3 out of 5 by from Good solid expanding bit. Needed to drill 50mm holes in the end of newel posts and the only way to do it in situ. Drill is well made and surprisingly heavy, but that is what I have come to expect with this brand. Cutting into the end grain caused the bit to wander considerably on one hole requiring truing up with a hole saw, something you don't get with flat wood bits. Will never replace flat wood bits or decent hole saws but does the job. Gets very hot and causes the drill to get extremely hot (and yes it is a DeWalt) so lots of cooling down time when drilling 70mm deep holes.
Date published: 2016-03-28
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