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. 507-1732
BrandRS PRO
£128.44
Each
Units
Twist Drill Bit - 1mm Metal 10mm HSS 170 HSS Drill Bits
RS Stock No. 507-1726
BrandRS PRO
£122.62
Each
Units
Twist Drill Bit - 1mm Metal 10mm HSS 170 HSS Drill Bits
RS Stock No. 216-690
BrandRS PRO
£81.98
1 Set
Set(s)
Twist Drill Bit - 1mm Metal 13mm HSS-E Cobalt 25 HSS Drill Bits
RS Stock No. 712-8212
BrandRS PRO
£17.24
1 Set
Set(s)
Twist Drill Bit - 1.5mm Multi-Material 10mm Steel 99 HSS Drill Bits; Wood Drill Bits; Masonry Drill Bits; Slotted Driver Bits; Phillips Driver Bits; Pozi Drive Bits; Torx Driver Bits; Hex Driver Bits; Adapters; Countersink; Magnetic Bit Holder; Finder; Ratchet Handle
RS Stock No. 216-678
BrandRS PRO
£36.46
1 Set
Set(s)
Twist Drill Bit - 1mm Metal 10mm HSS-E Cobalt 19 HSS Drill Bits
RS Stock No. 507-1704
BrandRS PRO
£21.47
Each
Units
Twist Drill Bit - 1mm Metal 10mm HSS 19 HSS Drill Bits
RS Stock No. 694-425
BrandRS PRO
£14.90
1 Set
Set(s)
Twist Drill Bit - 4mm Masonry 12mm Tungsten Carbide Tipped 9 Masonry Drill Bits
RS Stock No. 467-9060
BrandRS PRO
£62.41
Each
Units
Twist Drill Bit - 1mm Metal 13mm HSS 25 HSS Drill Bits
RS Stock No. 507-1681
BrandRS PRO
£24.65
Each
Units
Twist Drill Bit - 6mm Wood 20mm HCS 8 Auger Drill Bits
RS Stock No. 457-627
BrandRS PRO
£11.73
1 Kit
Kit(s)
Twist Drill Bit - 0.5mm Multi-Material 2.2mm HSS 10 HSS Micro Drill Bits
RS Stock No. 212-941
BrandRS PRO
£57.03
1 Set
Set(s)
Twist Drill Bit - 1mm Metal 13mm HSS 25 HSS Drill Bits
RS Stock No. 668-0992
BrandRS PRO
£50.27
Each
Units
Twist Drill Bit - 1mm Metal 6mm HSS 51 HSS Drill Bits
RS Stock No. 232-614
BrandRS PRO
£93.59
Each
Units
Step Drill Bit - 4mm Metal 30mm HSS 3 Step Drill Bits
RS Stock No. 507-1697
BrandRS PRO
£43.79
Each
Units
Hole Saw Set - 3/8in Wood 2.125in HSS 35 Forstner Drill Bits
RS Stock No. 522-6976
BrandRS PRO
£20.47
1 Set
Set(s)
Twist Drill Bit - 1mm Multi-Material 10mm HSS 19 HSS Drill Bits
RS Stock No. 221-557
BrandRS PRO
£70.16
Each
Units
Cone Cutter - 3mm Metal 30mm HSS 3 HSS Drill Bits
RS Stock No. 213-512
BrandRS PRO
£54.65
1 Set
Set(s)
Twist Drill Bit - 1mm Metal 13mm HSS-G 25 HSS Drill Bits
RS Stock No. 232-608
BrandRS PRO
£82.49
Each
Units
Step Drill Bit - 4mm Metal 30mm HSS 3 Step Drill Bits
RS Stock No. 828-123
BrandRS PRO
£28.28
1 Set
Set(s)
Twist Drill Bit - 3mm Metal 10mm HSS 6 HSS Drill Bits
RS Stock No. 511-9676
BrandRS PRO
£26.28
1 Set
Set(s)
Twist Drill Bit - 3mm Masonry 10mm HSS 18 Mansonry Drill Bits; HSS Drill Bits; Wood Drill Bits
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