Tile drill bits 2026 compared

Pros

• Diamond bits at 6 mm, 6 mm, 20 mm, 25 mm, 35 mm and 50 mm, plus a 20 mm chamfer and one carbide bit, at £39.99
• Straight shank for a hand drill or an electric drill
• A reviewer cut ceramic tiles with little effort
• A 30 mm hole in marble composite was completed with a jig and some water

Cons

• The listing shows 4.9 from 20 reviews, but only three review texts are in the saved listing
• Those three texts do not establish a fault pattern or a wide pattern of success
• The listing says a slower rpm shortens life, which conflicts with the usual advice to drill tile slowly

Pros

• Five carbide spears, two of them 6 mm, plus 8 mm, 10 mm and 12 mm, at £6.98
• 4.4 from 8,505 amazon.co.uk reviews
• Eighteen ceramic wall-tile holes in one review, with only slight glaze chipping
• Reviewers said the bits did not skate at the start, and that the three-flat shank stopped slip in the chuck
• A reviewer mentions a plastic box

Cons

• Tips snapped after three holes in concrete slabs in one review
• Edges dull quickly, and one reviewer said about six holes
• A review title warns against hammer mode
• The minimum-bore field says 12 mm although the set includes 6 mm bits

Pros

• Ten spears from 3 mm to 12 mm, with duplicates at 6 mm, 8 mm and 10 mm, at £10.99
• 4.4 from 2,572 reviews, and the listing ranks it 3 in Drill Bit Sets
• A grab-rail job in old brittle bathroom tiles, and porcelain bathroom tiles, were completed
• One reviewer reported months of use and more than 20 jobs
• Rinsing under the tap was described as clearly better than a dry hole

Cons

• Dry cutting was called average until water was used
• Two bits burnt out on one tile
• Cracked tiles were reported, with the reviewer calling it user error
• Printed dimensions of 10 x 10 x 10 mm are not plausible for the set

Pros

• Two 6 mm M14 cores with a stated 10 mm diamond height, vacuum brazing, and wax in the core, at £15.99
• A reviewer finished 13 bathroom-porcelain holes on one bit
• A 12 mm porcelain floor was reported at about three minutes a hole, with a clean edge
• One reviewer preferred them to Erbauer and Armeg bits that lasted two holes
• The listing states 6,000 rpm recommended and 11,000 rpm maximum on an angle grinder

Cons

• The M14 thread does not fit a drill chuck, and the adapter is not in the box
• Several reviewers describe only a few holes in porcelain, and the bit burns if the start is not angled
• One diameter only, so it is not a set of plug sizes
• The piece-count field says 20 while the title says two bits

Pros

• Diamond bits at 5 mm, 6 mm, 6 mm, 8 mm, 10 mm and 12 mm plus a 6 mm masonry bit, at £12.99
• 4.3 from 414 reviews, a larger sample than the similar set at the same price
• Eight 10 mm holes in a very hard tiled kitchen floor in one review
• Wax fill, side flutes, a depth mark, and a heavy-duty case are stated
• Round shank for a drill chuck

Cons

• Diamond wears off the leading edge, and one reviewer got about 10 holes with a spray before the bit went blunt
• A granite block was not drilled, and another reviewer used one bit per 20 to 30 mm of granite
• The packs field and the pieces field both say 7, against a contents line that is one set
• No grinder adapter is in the box

Pros

• Five pieces at £5.99: diamond at 6 mm, 6 mm, 8 mm and 10 mm, plus a 6 mm carbide bit
• Hex shank, grit stated as 50/60, and a wax fill
• Some reviewers drilled porcelain, and others got through ceramics after different tile drills had failed, if the bits were kept cool
• 4.3 from 74 reviews

Cons

• One review says the bits will not make a hole
• Two bits barely managed three holes in porcelain
• Cooling fluid still left some reviewers with only a hole or two
• Bits were said not to match the photos, and no case is stated in the bullets

Pros

• Hex-shank diamond bits listed as 10 pieces at 5 mm, 6 mm, 8 mm and 10 mm, at £21.99
• Bathroom porcelain wall tiles were drilled after other bits had failed
• A shower install was reported with no cracked tiles in that review
• Milling on 6 mm porcelain at awkward angles was reported
• A transparent storage case and cooling wax are stated

Cons

• Bits broke in use, and the sample is 31 reviews with 29 texts
• The rim slipped at the start even with masking tape
• One reviewer had used only one small bit and could not judge how long the set lasts
• A reviewer counted eight bits and two screwdriver bits, which the included-components line does not describe

Pros

• Five carbide bits from 5 mm to 10 mm, with stated lengths from 91 mm to 122 mm, at £7.49
• 4.2 from 9,460 reviews, the largest count in this comparison
• Bathroom tiles drilled with ease, and one set reported as still going after nearly two years of frequent use
• Porcelain was described as workable when water and a careful technique were used

Cons

• One porcelain attempt stopped at about a 1 mm indentation and the bit was finished
• Tips go blunt quickly, and one porcelain hole took about five minutes and high force
• The surface field says Glass while the bullets list many other materials
• No storage case is stated in the bullets

Pros

• Two 14 mm YG6X cross-point carbide bits on a 1/4 inch hex shank, at £15.99
• 4.2 from 1,133 reviews
• A clean cut was reported in 22 mm hard porcelain when the bit was kept slow
• The point was praised for starting accurately, including from a ladder

Cons

• Only 14 mm, so it does not cover a 6 mm wall plug
• On Indian sandstone, two holes were the limit and a third would not start
• On brick the coating came off, the bit overheated, and the tip snapped inside the brick
• One review mentions five bits, which does not match this two-piece listing

Pros

• Diamond bits at 5 mm, 6 mm, 6 mm, 8 mm, 10 mm and 12 mm plus a 6 mm masonry bit, in a case, at £12.99
• A 6 mm ceramic kitchen tile and bathroom tiles were drilled in the reviews that describe those jobs
• Drainage holes in ceramic pots, with the carbide bit liked for starting
• Vacuum-brazed diamond and wax fill are stated, on a round shank

Cons

• Short life unless you cool the bit, and one reviewer expected about two tiles
• One unit had barely any diamonds, and none on the cutting edge
• On natural granite the shaft heated, bent, and did not scratch the tile
• 4.2 from 48 reviews, with 36 texts stored

Pros

• Nine spear bits from 3 mm to 12 mm, with three at 6 mm, at £6.99
• Glass and tile cut cleanly once the bit bites, and a clean hole through a tile was reported
• The size range was called handy for early holes in tile
• Stated for electric drills, hand drills and bench drills, with a 3-flat shank

Cons

• Tips snapped on first use for a tradesman, and one end hit his face while he wore safety goggles
• Tips break off after a couple of uses in other reviews
• The bits need pressure before they bite
• The material field prints Wolframcarbid while the bullets say tungsten carbide