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. 194-7861
Mfr. Part No.B-57532
BrandMakita
TWD107.00
Each (In a Pack of 5)
units
SDS Drill Bit - 3mm Masonry 6mm HSS 5 3 → 6 mm Shank Drill Bits
RS Stock No. 613-8757
Mfr. Part No.2 607 019 329
BrandBosch
TWD991.00
1 Set
Set(s)
Twist Drill Bit X-Line Mixed Drill Set 1.5mm Multi-Material 32mm HSS 70 HSS Drill Bits; Masonry Drill Bits; Wood Bits; Flat Wood Bits; Phillips Driver Bits; Pozi Driver Bits; Slotted Driver Bits; Hex Driver Bits; Torx Driver Bits; Hex Sockets; Diameter Gauge; 3 m Measuring Tape; Magnetic Universal Bit Holder; Countersink; Socket Adapter
RS Stock No. 642-1116
Mfr. Part No.K-5
BrandHozan
TWD694.00
Each
units
- Drill Set 0.8mm - 3.2mm - 7 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. 816-4626
Mfr. Part No.A099DRILLBOY
BrandDormer
TWD5,570.00
Each
units
Twist Drill Bit - 3mm Multi-Material 13mm HSS 43 1 x 10.20mm, 1 x 10.50mm, 1 x 10mm, 1 x 11.00mm, 1 x 11.50mm, 1 x 12.00mm, 1 x 12.50mm, 1 x 13.00mm, 1 x 8.50mm, 1 x 9.50mm, 1 x 9mm, 2 x 4.20mm, 2 x 5.50mm, 2 x 5mm, 2 x 6.50mm, 2 x 6.80mm, 2 x 6mm, 2 x 7.50mm, 2 x 7mm, 2 x 8mm, 3 x 3.0mm, 3 x 3.30mm, 3 x 3.50mm, 3 x 4mm
RS Stock No. 508-9159
Mfr. Part No.05332
BrandEXACT
TWD3,823.00
1 Set
Set(s)
Step Drill Bit Step Drill Set 4mm Metal 30mm HSS 3 Step Drill Bits
RS Stock No. 162-5346
BrandRS PRO
TWD545.00
Each
units
Twist Drill Bit - 0.3mm Multi-Material 1.6mm HSS 20 -
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. 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. 409-1533
Mfr. Part No.222A.TJ32
BrandFacom
TWD8,693.00
Each
units
Twist Drill Bit Ground Twist Drill Set 1mm Metal 10.5mm HSS 32 HSS Drill Bits
RS Stock No. 194-7851
Mfr. Part No.D-36712
BrandMakita
TWD271.00
1 Set
Set(s)
Twist Drill Bit - 4mm Multi-Material 10mm Tungsten Carbide Tipped 5 4 → 10 Drill Bit Set
RS Stock No. 696-954
Mfr. Part No.A190 12
BrandDormer
TWD5,085.00
1 Set
Set(s)
Twist Drill Bit Jobber Drill Set 1 Wood 60mm HSS 60 HSS Drill Bits
RS Stock No. 695-305
Mfr. Part No.A190 209
BrandDormer
TWD12,268.00
1 Kit
Kit(s)
Twist Drill Bit Jobber Drill Set 1mm Multi-Material 10mm HSS 91 HSS Drill Bits
RS Stock No. 434-4607
BrandRS PRO
TWD678.00
1 Set
Set(s)
Twist Drill Bit Jobber Drill Set 1/16in Metal 1/4in 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. 522-6976
BrandRS PRO
TWD908.00
1 Set
Set(s)
Twist Drill Bit Straight Shank Drill set 1mm Multi-Material 10mm HSS 19 HSS Drill Bits
RS Stock No. 848-3598
Mfr. Part No.P-19906
BrandMakita
TWD996.00
Each
units
Twist Drill Bit - 1mm Metal 10mm HSS 19 HSS Drill Bits
RS Stock No. 145-7954
Mfr. Part No.10502089
BrandIrwin
TWD1,004.00
1 Set
Set(s)
SDS Drill Bit - 5mm Masonry 12mm Tungsten Carbide Tipped 5 5 x 160 mm SPDH Plus, 6 x 160 mm SPDH Plus, 8 x 160 mm SPDH Plus, 10 x 160 mm SPDH Plus, 12 x 160 mm SPDH Plus
RS Stock No. 434-3137
BrandRS PRO
TWD6,679.00
1 Set
Set(s)
Twist Drill Bit Reduced Shank Drill Set 42614in Metal 1in HSS 5 Reduced Shank Drill Bits
RS Stock No. 232-608
BrandRS PRO
TWD3,658.00
Each
units
Step Drill Bit Step Drill Set 4mm Metal 30mm HSS 3 Step Drill Bits