Drill Bit Sets

Drill bits are cutting tools that are used to remove different types of materials to create a hole, generally always in a circular motion. Having the right size and the right type of bit is a key factor in ensuring the highest standard of work and ensures you can drill with confidence and accuracy. Learn more in our complete guide to drill bit sets.


What materials materials used for drill bits?


  • Carbon Steel – This material provides a drill bit with better durability and hardness, therefore increasing the life of the bit. Carbon steel can withstand higher temperatures and is more suitable for harder materials.

  • HSS (High-Speed Steel) – HSS can withstand higher temperatures without compromising the hardness of the bit and is able to cut faster with more accuracy and efficiency.

  • Cobalt Steel – The cobalt content increases the strength of the bit and aids in the resistance to heat and friction, so it can be used for more stubborn materials.

  • Tool Steel with Tungsten Carbide Tips – TCT provide a longer working life for the bit, while allowing for a more stable and solid tip and enabling it to withstand more rigorous drilling applications.

What coatings are used to enhance drill bits?


  • Black Oxide – An economical coating that prevents corrosion and increases stress relieving at the bit. It also helps in retaining drilling lubricants for longer and is most suitable when drilling iron and steel.

  • Bronze Oxide – This coating increases stress relieving of the bit. It is normally used on its own so that it is easy to identify cobalt steel. It can also be used with black oxide to better identify higher grades of HSS.

  • Titanium Nitrate – This coating increases the hardness of the bit, whilst providing a thermal barrier for high friction applications. It is a more expensive coating than others, but helps to increase production rates and tool life. TiN coated drill bits are best suited for drilling more stubborn materials like iron, steel, aluminium and more.

Common types of drill bits


  • Twist – The most common type of drill bit and ideal for drilling wood, plastic, and metals. They are generally made from HSS and are suited to general household DIY tasks, as well as professional applications like maintenance and engineering. Masonry – The TCT drill bits are the best to use when drilling brick, block, stone and mortar and are most commonly used in the construction industry. They are generally used with a hammer power tool for more effective results. SDS (Slotted Drive System) – These have a special shank that fits into the chuck of an SDS power tool. The SDS system delivers a higher standard and more efficient results than a standard hammer drill when working with harder materials like concrete.

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Description Price Drill Bit Type Set Type Minimum Size Drilling Application Maximum Size Material Number of Pieces Set Contents
RS Stock No. 221-557
BrandRS PRO
TWD3,112.00
Each
units
Cone Cutter Cone Cutter Set 3mm Metal 30mm HSS 3 HSS Drill Bits
RS Stock No. 236-0691
Mfr. Part No.2607018361
BrandBosch
TWD2,053.00
Each
units
Twist Drill Bit Metal Drill Bit Set 1mm Metal 10mm HSS-G 19 HSS Drill Bits
RS Stock No. 511-9698
Mfr. Part No.EBP SET 5
TWD756.00
1 Set
Set(s)
Twist Drill Bit Wood Drill Set 4mm Wood 10mm HSS 5 Wood Drill Bits
RS Stock No. 508-8673
Mfr. Part No.05209
BrandEXACT
TWD2,777.00
1 Set
Set(s)
Step Drill Bit Conical Drill Set 3mm Metal 30.5mm HSS 3 Step Drill Bits
RS Stock No. 123-1856
Mfr. Part No.104654
BrandWera
TWD2,760.00
Each
units
- - 3mm - 10mm - 7 1 x 10 x 40, 1 x 4 x 35, 1 x 5 x 36, 1 x 6 x 40, 1 x 8 x 40, 844:1 x 3 x 33, 888/4/1 K:1 x 1/4 in x 50
RS Stock No. 199-1918
Mfr. Part No.2607017035
BrandBosch
TWD370.00
1 Set
Set(s)
- - 3mm Multi-Material 8mm Steel 7 -
RS Stock No. 759-5603
Mfr. Part No.2607019925
BrandBosch
TWD2,791.00
Each
units
Twist Drill Bit Robust Line Metal Drill Set 1mm Metal 10mm HSS-Co 10 HSS Drill Bits
RS Stock No. 499-453
Mfr. Part No.4450070
BrandEXACT
TWD5,582.00
1 Set
Set(s)
Step Drill Bit Step Drill Set 4mm Metal 30mm HSS 3 Step Drill Bits
RS Stock No. 194-7935
Mfr. Part No.D-41872
BrandMakita
TWD4,699.00
1 Set
Set(s)
Step Drill Bit - 4mm Metal 32mm - 3 Step Drill Bit
RS Stock No. 511-128
Mfr. Part No.A190 203
BrandDormer
TWD8,616.00
1 Kit
Kit(s)
Twist Drill Bit Jobber Drill Set 6mm Multi-Material 10mm HSS 41 HSS Drill Bits
RS Stock No. 511-112
Mfr. Part No.A190 202
BrandDormer
TWD3,616.00
1 Kit
Kit(s)
Twist Drill Bit Jobber Drill Set 1mm Multi-Material 6mm HSS 51 HSS Drill Bits
RS Stock No. 162-5347
BrandRS PRO
TWD532.00
Each
units
Twist Drill Bit - 61mm Multi-Material 80mm HSS 20 -
RS Stock No. 507-1704
BrandRS PRO
TWD952.00
Each
units
Twist Drill Bit Jobber Drill Set 1mm Metal 10mm HSS 19 HSS Drill Bits
RS Stock No. 494-9993
Mfr. Part No.2607018285
BrandBosch
TWD723.00
Each
units
Twist Drill Bit Multi Construction Drill Set 4mm Multi-Material 8mm Tungsten Carbide Tipped 4 Multi-purpose Drill Bit
RS Stock No. 196-132
Mfr. Part No.2607019444
BrandBosch
TWD296.00
1 Set
Set(s)
Twist Drill Bit Concrete Drill Set 4mm Masonry 10mm Tungsten Carbide Tipped 5 Masonry Drill BitS
RS Stock No. 120-6013
Mfr. Part No.T3102
BrandCK
TWD698.00
Each
units
Twist Drill Bit Drill Set 1.5mm Multi-Material 6.5mm HSS 13 HSS Drill Bits
RS Stock No. 522-6960
BrandRS PRO
TWD547.00
1 Set
Set(s)
Twist Drill Bit Jobber Drill Set 1.5mm Multi-Material 6.5mm HSS 13 HSS Drill Bits
RS Stock No. 499-261
BrandRS PRO
TWD3,706.00
1 Set
Set(s)
Step Drill Bit Tube and Sheet Spiral Flute Drill Set 5mm Metal 31mm HSS 2 Step Drill Bits
RS Stock No. 569-742
Mfr. Part No.253.246.600
BrandKeil
TWD2,922.00
1 Set
Set(s)
SDS Drill Bit SDS Plus Hammer Drill Set 12mm Masonry 20mm Chrome Nickel Molybdenum Steel 4 Masonry Drill BitS
RS Stock No. 508-2388
Mfr. Part No.2607019448
BrandBosch
TWD695.00
Each
units
SDS Drill Bit SDS Plus Drill Set 5mm Masonry 8mm Carbide 6 SDS Plus Drill Bits