Erbauer Cone Drill Bit Set 3-14, 8-20, 16-30mm 3 Piece… (9031V)

£ 22.99INC VAT

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Erbauer Cone Drill Bit Set 3-14, 8-20, 16-30mm 3 Piece Set (9031V)

HSS cone drill set for drilling holes in pipes and sheet material up to 2mm thick.

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View all: Erbauer Drill Bit Sets

£22.99INC VAT

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Rated 5 out of 5 by from hole cutter I needed to drill a hole larger than the blacksmiths drill bit set that I purchased with these and they did the job with ease.
Date published: 2020-08-25
Rated 5 out of 5 by from Making holes These little beauties allow a hole to be enlarged and still stay round. Ideal for those in between drill sizes especially in sheet metal.
Date published: 2019-03-01
Rated 3 out of 5 by from Cone bits Done what I needed it to do making some nice holes in some wood and a few metal in all resanoble
Date published: 2019-02-28
Rated 4 out of 5 by from useful for wood Wanted to expand some holes in wood previously drill with a 20mm dia auger to a slightly larger size (13/16inch ~21mm) also using an auger bit. Used the cone drill very successfully to expand the hole entrance so the larger auger bit went in nicely and centrally to the original hole. This avoided the larger auger bit bouncing around before entering typically off centre. Have not tried in metal, so cannot judge the performance for the intended application.
Date published: 2018-12-07
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dimensions

I'd like some more dimensions on these. I need to know the taper angle so would like the know what is the dimension between the minimum dimension 4 mm and the max dimension 14 mm. likewise on the 8 to 20mm one and the 16 to 30 mm one
Asked by: TPTENT

Are they all 3/8" shank ? Will they fit in a cordless drill chuck?

Asked by: MadEnglish
Hello MadEnglish, This item is fine to be used in a drill chunk and the shanks do change slightly depending on size. The smallest is 6mm in diameter then 8mm and finally 9mm. Thank you for using Q&A.
Answered by: jbeckman
Date published: 2021-11-22

Anyone tried these on tiled wall?

I need a 20mm hole in time. I have these cone drills already. Has anybody successfully drilled tile with these ?
Asked by: VoteLabour
Hello there, These would not be suitable for cutting tiles as it would cause chipping and possible cracking of the tile we do a 20mm tile drill bit under product code 7156V. Thank you for using Screwfix Q&A.
Answered by: HTrowbridge1
Date published: 2019-12-22
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Specification
Brand Erbauer
Capacity Steel 2 mm
Capacity Wood 5 mm
Drill Bit Type Cone
Manufacturer Guarantee 1 Year Guarantee
Pack Size 1
Pieces in Pack/Case 3
Product Diameter 3-14, 8-20, 16-30 mm
Product Type Cone Drill Bit Set
PTA Shank Type Straight Shank

Product contents

3-14, 8-20 and 16-30mm.