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. 113-8614
Mfr. Part No.DT60099-QZ
BrandDeWALT
TWD545.00
Each
units
Twist Drill Bit - 4mm Multi-Material 8mm Carbide 5 4; 5; 5.5; 6; 8 mm
RS Stock No. 212-941
BrandRS PRO
TWD2,529.00
1 Set
Set(s)
Twist Drill Bit Drill Set 1mm Metal 13mm HSS 25 HSS Drill Bits
RS Stock No. 613-8735
Mfr. Part No.2 607 019 330
BrandBosch
TWD2,031.00
1 Set
Set(s)
Twist Drill Bit X-Line Mixed Drill Set 1mm Multi-Material 32mm HSS 100 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; Depth Stops; Hole Saws; Diameter Gauge; Torch; Spirit Level; Ratchet Screwdriver; Countersink; Allen Key; Magnetic Universal Bit Holder; Socket Adapter
RS Stock No. 874-1080
Mfr. Part No.2608587017
BrandBosch
TWD2,930.00
Each
units
Twist Drill Bit - 1mm Metal 13mm HSS-G 25 HSS Drill Bits
RS Stock No. 512-2420
BrandRS PRO
TWD1,973.00
1 Set
Set(s)
Twist Drill Bit Electricians Masonry Drill Set 4mm Masonry 22mm Steel 16 Masonry Drill BitS
RS Stock No. 507-1732
BrandRS PRO
TWD5,198.00
Each
units
Twist Drill Bit Jobber Drill Set 1mm Metal 10mm HSS 170 HSS Drill Bits
RS Stock No. 123-1855
Mfr. Part No.104652
BrandWera
TWD2,240.00
Each
units
Twist Drill Bit - 3mm Metal 8mm HSS 19 1 x 4 x 44, 1 x 4.2 x 45, 1 x 5 x 50, 1 x 6 x 50, 1 x 8 x 51, 1 x PH 3 x 25, 1 x TX 15 x 25, 1 x TX 20 x 25, 1 x TX 25 x 25, 1 x TX 30 x 25, 1 x TX 40 x 25, 3 x PH 2 x 25, 848 HSS:1 x 3 x 38, 851/1 TZ PH:2 x PH 1 x 25, 867/1 TORX®:1 x TX 10 x 25, 888/4/1 K:1 x 1/4 in x 50
RS Stock No. 507-1681
BrandRS PRO
TWD1,093.00
Each
units
Twist Drill Bit Auger Bit Set 6mm Wood 20mm HCS 8 Auger Drill Bits
RS Stock No. 673-4709
BrandRS PRO
TWD1,393.00
1 Set
Set(s)
Twist Drill Bit Twist Drill Set 1mm Metal 10mm HSS-R 19 HSS Drill Bits
RS Stock No. 546-118
Mfr. Part No.A190 N201
BrandDormer
TWD2,420.00
1 Set
Set(s)
Twist Drill Bit Jobber Drill Set 1mm Multi-Material 10mm HSS 19 HSS Drill Bits
RS Stock No. 457-627
BrandRS PRO
TWD520.00
1 Kit
Kit(s)
Twist Drill Bit Micro Drill Set 0.5mm Multi-Material 2.2mm HSS 10 HSS Micro Drill Bits
RS Stock No. 123-1854
Mfr. Part No.104651
BrandWera
TWD3,585.00
Each
units
Twist Drill Bit - 2.5mm Metal 8.5mm HSS 7 1 x 3.3 x 39, 1 x 4.2 x 41, 1 x 5 x 44, 1 x 6.8 x 51, 1 x 8.5 x 59, 847 HSS:1 x 2.5 x 36, 888/4/1 K:1 x 1/4 in x 50
RS Stock No. 507-1726
BrandRS PRO
TWD4,111.00
Each
units
Twist Drill Bit Jobber Drill Set 1mm Metal 10mm HSS 170 HSS Drill Bits
RS Stock No. 213-512
BrandRS PRO
TWD2,424.00
1 Set
Set(s)
Twist Drill Bit Fully Ground Drill Set 1mm Metal 13mm HSS-G 25 HSS Drill Bits
RS Stock No. 828-123
BrandRS PRO
TWD1,254.00
1 Set
Set(s)
Twist Drill Bit 1/4 in Hexagon Drive Drill Set 3mm Metal 10mm HSS 6 HSS Drill Bits
RS Stock No. 113-8629
Mfr. Part No.DT50050-QZ
BrandDeWALT
TWD1,890.00
Each
units
Twist Drill Bit - 3mm Multi-Material 12mm Titanium 10 3; 3.2; 3.5; 4; 4.5; 5; 6; 8; 10; 12 mm
RS Stock No. 874-1087
Mfr. Part No.2608587018
BrandBosch
TWD5,506.00
Each
units
Twist Drill Bit - 1mm Metal 13mm HSS-Co 25 HSS Drill Bits
RS Stock No. 712-8212
BrandRS PRO
TWD969.00
1 Set
Set(s)
Twist Drill Bit Drill and Driver Set 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. 613-8741
Mfr. Part No.2 607 019 327
BrandBosch
TWD963.00
1 Set
Set(s)
Twist Drill Bit X-Line Mixed Drill Set 1.5mm Multi-Material 22mm HSS 50 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; Stanley Knife; Magnetic Universal Bit Holder; Countersink; Socket Adapter
RS Stock No. 508-9165
Mfr. Part No.05331
BrandEXACT
TWD4,972.00
1 Set
Set(s)
Step Drill Bit Step Drill Set 4mm Metal 30mm HSS 3 Step Drill Bits