Drill Bits

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.


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 Diameter Drill Bit Type Type Material Overall Length
RS Stock No. 667-3528
Mfr. Part No.R4587.0
BrandDormer
$108.03
Each
units
7mm Twist Drill Bit Short Solid Carbide 79 mm
RS Stock No. 794-7410
Mfr. Part No.2FRA0021.5
BrandDormer
$26.60
1 Box of 10
Box(es)
1.5mm Twist Drill Bit Jobber HSS 40 mm
RS Stock No. 728-7497
Mfr. Part No.R45416.0
BrandDormer
$381.71
Each
units
16mm Twist Drill Bit Long Solid Carbide 133 mm
RS Stock No. 424-4018
Mfr. Part No.DT5047-QZ
BrandDeWALT
$6.74
Each
units
5.5mm Twist Drill Bit - HSS-R 93 mm
RS Stock No. 299-7899
Mfr. Part No.A170-18,50
BrandDormer
$133.64
Each
units
18.5mm Twist Drill Bit - HSS 157 mm
RS Stock No. 362-1616
Mfr. Part No.DT6676QZ
BrandDeWALT
$6.10
Each
units
6mm Masonry Drill Bit - Carbide Tipped 150 mm
RS Stock No. 113-8619
Mfr. Part No.DT50007-QZ
BrandDeWALT
$21.83
Each
units
5mm Twist Drill Bit - Titanium 77.5 mm
RS Stock No. 794-7252
Mfr. Part No.A0023.3
BrandDormer
$12.77
1 Box of 5
Box(es)
3.3mm Twist Drill Bit Jobber HSS-TiN 65 mm
RS Stock No. 545-856
Mfr. Part No.A100 2.10MM
BrandDormer
$3.752
Each (In a Pack of 5)
units
2.1mm Twist Drill Bit Jobber HSS 49 mm
RS Stock No. 768-3003
Mfr. Part No.2608585483
BrandBosch
$3.274
Each (In a Pack of 10)
units
3.7mm Twist Drill Bit Jobber HSS-G 70 mm
New
RS Stock No. 193-1623
Mfr. Part No.R4634.2
BrandDormer
$192.40
Each
units
4.2mm Twist Drill Bit - Carbide 74 mm
RS Stock No. 768-2999
Mfr. Part No.2608585462
BrandBosch
$25.952
Each (In a Pack of 5)
units
14mm Twist Drill Bit Twist Drill HSS 151 mm
RS Stock No. 794-7473
Mfr. Part No.2FRA00210.0
BrandDormer
$129.28
1 Box of 10
Box(es)
10mm Twist Drill Bit Jobber HSS-TiN 133 mm
RS Stock No. 794-7470
Mfr. Part No.2FRA00211.0
BrandDormer
$95.90
1 Box of 5
Box(es)
11mm Twist Drill Bit Jobber HSS-TiN 142 mm