WhichOne › DIY store & garden › tool › power drill › drill accessory › drill bit › 3 4 drill bit

The best 3 4 drill bits in comparison

Guaranteed independent and reliable
Millions of satisfied users every year
Last updated on 25.05.2025

Filter

Sort

Filter:Brand:Reduced items only:

Best choice

Bosch Professional 7-Piece CYL-3 Drill Bit Set (for Concrete, Ø 4/5/5.5/7/8/10 mm, Accessories Rotary Impact Drills)

Bosch

show more show less

9,9

Check price

Show on Amazon

Features

005
Contents and Other FeaturesDiameter mm 4

£ 14.29

£ 16.95

£ 18.27

10pcs M35 HSS Cobalt Drill Bits High Speed Steel Twist Drill Bit Set, 3mm/4mm Metric HSS Gold Cobalt Jobber Drill Bit for Metal Stainless Steels Hard Steels Cast Iron Copper Aluminum Wood Plastic

Bateya

43% off

show more show less

9,8

Check price

Show on Amazon

Features

M35 high speed steel HSS twist drill bit manufactured from M35 high speed steel with 5% cobalt, the molybdenum and cobalt added to create a hardened alloy for much faster cutting and extra longer life span.
Metal drilling tool High-speed steel particularly successful in cutting through hard metals, stainless steel and cast iron. Ideal for drilling on stainless steel, cast iron, sheet metal, steel plate, Angle iron; Widely used in the drilling of stainless steel plate, automobile spring steel and die steel, they can also be used for softer materials, such as wood and plastic.
No center punch required The 135 quick-cut points are self-centering and penetrate quickly with less pressure, which can prevent walking, clear chips and particles faster. Produced by precision fully ground which ensures chips move smoothly.
Portable packing box You will receive 10pcs HSS cobalt drill bits, includes 5pcs 3mm drill bits and 5pcs 4mm drill bits. Twist drill bits come in a durable plastic box for easy carry and storage.

3PCS HSS Step Bits, High Speed Steel Step Drill Bits Set - (4-12mm, 4-20mm and 4-32 mm) Cone Drill Bits Hole Cutter for Wood, Stainless Steel, Sheet Metal by SS SHOVAN

SS SHOVAN

19% off

show more show less

9,8

Offer ends in:

03hours

57minutes

29seconds

Check price

Show on Amazon

Features

This Pagoda Drill Bit set contain 3 size 4-12mm, 4-20mm and 4-32 mm, Supplied with a portable fabric bag.
Two-fluted design provides faster, smoother drilling, Provided with small pressure and the sets can cut through wood, sheet metal, steel and other surfaces.Step Cone Drill Bits design for precision drilling different size holes from 4mm up to 32mm in diameter,optimum speed and accuracy.
Titanium High Speed Steel Drill bits & Application classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal.Titanium drill bit is particularly suitable for processing copper and aluminum pieces mold steel spring steel cast iron pieces iron and other metal materials.
Quick assemble 1 4"(6.35mm) hex shank work with most drill or drills with 1 4" chuck
Quality Warrenty we provide 6 month quality warranty. no matter what problems you have, please contact with our aftersale team in the first time.

£ 11.39

£ 15.83

Recommendation

7 Pieces Center Drill Bits Set, M2 High Speed Steel 60-Degree Angle Center Drill Bits Kit Countersink Tools for Lathe Metalworking Size 1.0 1.5 2.0 2.5 3.0 4.0 5.0

DKIBBITH

41% off

show more show less

9,6

Offer ends in:

03hours

57minutes

29seconds

Check price

Show on Amazon

Features

Worry Free This Center Drill Bits set comes with a portable storage case for convenient use and store. If you encounter any problems with the products, please feel free to contact us
Wide Range of Sizes Including 7 Pieces of Plain Center Drill Bits Set range in size 1.0 1.5 2.0 2.5 3.0 4.0 5.0 to meet different needs
High Quality Our center drill bits made of high quality M2 High speed steel, solid and high temperature wear resistant
Widely Applicable work with lathe machines and most electronic drills to drill holes in Steel, Iron, Alum, Carbon Steel, Brass and other tough material ranging from 170HB up to 200HB

Four-Flute Sawtooth Eccentric Drill Bit, Four Edged Serrated Drill Bit 1/4 Hex Shank High Strength Carbide Tip Tile Drill Bit Set (3/4/5/6/8/10/12MM,Yellow)

luolety

show more show less

9,6

Check price

Show on Amazon

Features

New Four-Flute Sawtooth Eccentric Drill Bit Achieve both drilling and tapping in a single seamless step with this high-performance set, dramatically enhancing your project efficiency
Titanium-Coated Design Each drill bit is coated with a titanium film that enhances durability, ensuring that the bits remain effective, even after extended use
Precision Cutting Thread Design Featuring a unique cutting thread design, this set delivers clean, smooth threads with precision, reducing the need for additional tools or steps and enhancing work quality
Wide Range of Compatibility This drill bit set is compatible with a variety of materials such as metal, wood, and plastic, providing you with versatility across different applications
4 Sizes There are 4 sizes of tile drill bits in the box neatly arranged, including 6mm, 8mm, 10mm, and 12mm to meet various needs. You can choose the size set you need.

5 PCS Extra Long Twist Drill Bits, 150 mm Long High-Speed Steel Wood Drill Bits, 2MM 3MM 3.5MM 4MM 5MM Hardness Spiral Wood Drill Bit Straight Shank Set for Drilling Tool Wood Metal

kuou

10% off

show more show less

9,5

Check price

Show on Amazon

Features

5 Sizes Drill Bitss drill bits include 5 different sizes of drill bits. The diameter is 2mm 3mm 3.5mm 4mm 5mm drill bit. The length of the drill bit is about 15 cm. You are free to choose the right drill bit.
Application The drill bits has use for drilling wood, wood, rubber, plastic, steel plate. It is widely used for drilling many electric drills, automobile spring steel and die steel.
Simple Operation Our long wood drill bit has a chip removal design, and the twisted drill makes drilling easier and easier. The extra-long cutting edge allows these drills to drill deep holes.

hsawbit SDS Plus Hammer Drill Bits 4mm x 110mm x 3, SDS Masonry Dill Bit Cross Tip Carbide Drill bit for Brick Walls, Concrete, Stone

hsawbit

show more show less

9,4

Check price

Show on Amazon

Features

For hammer drilling in masonry, concrete, reinforced concrete, brick and stone
Higher Efficiency This masonry drill bit have optimised double spiral geometry flute allows efficient removal of chips & debirs.

Long Wood Drill Bits, 150mm Extra Long Hss Drill Bit Wood 2mm 3mm 3.5mm 4mm 5mm Twist Drills Bits Kits for Plastic Metal-5pcs

CengyongXon

show more show less

9,4

Check price

Show on Amazon

Features

Extra Long Design The length of the long drill bits wood is 150mm, you can use these long masonry drill bit to drill deep holes, which can speed up the drilling and chip removal process.
Wide Application These long wood drill bits 150mm are suitable for drilling soft materials such as wood, iron plates, rubber, plastic, bamboo, etc. (Please note that the drill bit is not suitable for hard alloys.)

20PCS HSS Gold Cobalt Drill Bit, 3mm 4mm 5mm Twist Drill Bit for Stainless Steel Hard Metal Cast Iron Copper Aluminum Wood Plastic, Metric HSS Twist Cobalt Drill Bits Set

Carreuty

show more show less

9,4

Check price

Show on Amazon

Features

Professional Drill Bit 135 self-centring tips, eliminates the need for pre-drilling or center punching, quickly penetrates the metal plate with less pressure, prevents walking, and removes chips and particles faster.
Package Includes 10pcs 3mm drill bits + 5pcs 4mm drill bits + 3pcs 4mm drill bits. Suitable for various electric drills, such as pillar drills, handheld electric drills, battery-powered drills, etc.
Instructions for use When using, the drill bit should be perpendicular to the metal plate and kept cool. Pay attention to heat and speed control when drilling. Ideal for professionals, home improvement enthusiasts and DIY enthusiasts

Rennie Tools - Box of 10 x 4mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets Supplied In A Box. 4mm Drill Bit Set

Rennie Tool Company

show more show less

9,4

Check price

Show on Amazon

Features

For drilling particularly tough or hard metal drilling applications such as stainless steel, hardened metal, cast iron, Cr-Ni and special acid resistant steels. Also work very well on standard metals steels, RSG, aluminium, high temperature alloy, titanium alloy, non ferrous metals, plastics and wood.
All our cobalt drill bits are manufactured from high grade M35 alloyed HSS steel with 5% Cobalt content and are fully ground from solid material.
This cobalt drill bit set is manufactured to DIN338 specifications and they are dimensionally precise. These HSSCO HSS drill bits can be used in pillar drills, handheld electric drills, battery powered drills etc and can also be used in CNC machines
135 split point from 3mm and above eradicates the need to pre-drill or centre punch. Prevents walking and enables faster penetration.
Our high-quality M35 HSS drill bits for metal offer exceptional hardness, heat resistance, and durability. Our 2 flute design is optimised for fast chip removal and smooth cutting. This pack of 10 cobalt jobber drills are supplied in a plastic storage case. These are ideal for professionals, DIY enthusiasts and home improvement enthusiasts

This ranking is created through algorithmic analysis of millions of products tailored specifically to your search. We aim to find the most suitable product for you based on manufacturer information and price. The ranking reflects our opinion and should serve as a good starting point for your purchase. We would like to point out that we have not tested the products ourselves and link to selected online shops and partners from which we may receive compensation.

You might also be interested in these 3 4 drill bits.

10PCS Tile Drill Bits Set, Professional Masonry Drill Bits Set for Porcelain/Glass/Brick/Plastic/Cement/Wood/Tile/Etc (3mm to 12mm)

HIGH QUALITY DRILL BIT; Tile drill bit, Industrial strength carbide drill bit tip, excellent abrasion resistance, make the drilling much more easier. this ceramic tile drill bits can easily penetrate various material (glass, ceramic tile, marble, wood, travertine, ceramic, stone, concrete, brick, hard plastic, cement, etc)

~~£ 10.42~~

Only:

3hrs

57min

29sec

Check price

fischer 561641 D-U Hex Universal Drill Bit, 4mm, 4/45/90, for Brick/Wood/Tiles/Plastics/Steel/Concrete, Red/Silver

The universal use in different materials with only one drill saves time and costs

~~£ 2.98~~

Check price

PSFXBM 20PCS Gold Cobalt Drill Bit Set, 3mm, 4mm, 5mm Twist Drill Bit for Stainless Steel, Hard Metal, Cast Iron, Copper, Aluminum, Wood, Professional Accessory

Professional Drill Bit 135 self-centring tips, eliminates the need for pre-drilling or center punching, quickly penetrates the metal plate with less pressure, prevents walking, and removes chips and particles faster.

Check price

25 Pcs Cobalt Drill Bits, 5mm 4mm 3mm 2mm M35 HSS Twist Drill Bit Set Stainless Steel Metric Straight Shank Drill Bit Professional Accessory for Hard Metal Cast Iron Copper Aluminum Wood Plastic

Precision 135 Split Point Design With self-centring tips at a 135 angle, these cobalt drill bits ensure precise entry on metal surfaces, reducing walking and allowing smooth, efficient drilling without the need for pre-drilling.

Check price

Draper 38804 H29MC Expert HSS Drill Bit, 4.0mm Ø, Pack of 10 , Blue

Easy to Use

free shipping

Check price

Extra Long Drill Bit Set Wood Drill Bit Set High-Speed Steel Straight Shank Twist Drill Bit 2/3/3.5/4/5mm Diameter 150mm Long Drill Bit for Wood

5 Kinds Of Sizes This wood drill bit set includes 5 pieces drill bit in different sizes(2mm, 3mm, 3.5mm, 4mm, 5mm) of the most popular drill bits.

~~£ 7.09~~

Check price

Hi-Spec 99pc Complete HSS Mixed Drill Bit Set. 1 to 10mm Titanium Coated High Speed Steel Drill Bits for Metal, Wood & Plastic. All In a Box Case

LONG-LIFE TITANIUM COATING Their golden vapour-deposited Titanium Nitride coating increases surface hardness and lubrication properties. Get improved wear resistance and sharpness with reduced friction and sticking

free shipping

Check price

5PCS Extra Long Twist Drill Bit Set, 150mm Long High-Speed Steel Wood Drill Bits, 2MM 3MM 3.5MM 4MM 5MM Hardness Spiral Wood Drill Bit Straight Shank Set for Drilling Tool Woods Plastic Hard Metal

Variety of Sizes This set includes five different sizes 2mm, 3mm, 3.5mm, 4mm, and 5mm, providing versatility for various drilling needs. Each bit is 150mm long, ideal for drilling deep holes.

~~£ 6.78~~

Check price

7 Pcs 150mm Extra Long High-speed Steel HSS Twist Drill Bit Kit, Spiral Drill Bits High Hardness for Wood Plastic Aluminum Masonry DIY Home Building Drill Bits - Diameter 2/3/3.5/4/5mm

Premium Material These extra long drill bits are made of outstanding high-speed steel HSS material with high hardness and durability, which is more sturdy, durable for long time use.

Check price

PATIKIL 3mm Drill Bit, Jobber Straight Shank M35 Cobalt 5% High-Speed Steel 135° Gold Finish for Stainless Steel Hard Metal - 4 Pack

INSTRUCTION When machining different materials, the spindle speed and feed rate vary. Generally, the harder material, the lower the spindle speed and feed rate should be. For specific speed and feed rate recommend for common materials, please refer to the details provided on the product page.

Check price

Masonry Drill Bits Set for Brick Walls 7PCS Twist Diamond Drill Bits Mixed for Porcelain Tiles Carbide 3mm 4mm 5mm 6mm 8mm 10mm 12mm

Great Materials Masonry drill bits set are made of industrial strength alloy steel, sturdy and durable, this drill bit sets mixed can easily penetrate various materials.

Check price

flintronic SDS-Plus Drill Bit Set, Dia 4mm 160mm Lenth Cross Drill Bits, Rotary Hammer Drill for Drill Holes in Concrete, Ceramic Tile, Stone, Metal, Plastic & Multi-Layer Materials

Fully hardened drill bit with a double flute spiral for efficient waste removal.

Check price

The best 3 4 drill bits in comparison

Guaranteed independent and reliable

Features

Features

Features

Features

Features

Features

Features

Features

Features

Features

You might also be interested in these 3 4 drill bits.

Our offer