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. 792-046
Mfr. Part No.A110-1MM
BrandDormer
$9.13
Each
units
1mm Twist Drill Bit Long HSS 56 mm
RS Stock No. 792-052
Mfr. Part No.A110-1-5MM
BrandDormer
$8.37
Each
units
1.5mm Twist Drill Bit Long HSS 70 mm
RS Stock No. 792-068
Mfr. Part No.A110-2MM
BrandDormer
$7.14
Each
units
2mm Twist Drill Bit Long HSS 85 mm
RS Stock No. 542-790
Mfr. Part No.A225 BS1
BrandDormer
$7.83
Each
units
1.2mm Centre Drill Bit - HSS 1.5 in
RS Stock No. 773-118
Mfr. Part No.A225 BS4
BrandDormer
$16.88
Each
units
3.2mm Centre Drill Bit - HSS 2.25 in
RS Stock No. 198-4741
Mfr. Part No.A110 4.2MM
BrandDormer
$12.14
Each
units
4.2mm Twist Drill Bit Long HSS 119 mm
RS Stock No. 178-125
Mfr. Part No.A100 1-70
BrandDormer
$4.088
Each (In a Pack of 5)
units
1.7mm Twist Drill Bit Jobber HSS 43 mm
RS Stock No. 545-840
Mfr. Part No.A100 2.00MM
BrandDormer
$3.194
Each (In a Pack of 5)
units
2mm Twist Drill Bit Jobber HSS 49 mm
RS Stock No. 828-0263
Mfr. Part No.A002S3.3
BrandDormer
$3.605
Each (In a Pack of 2)
units
3.3mm Twist Drill Bit - HSS-TiN 65 mm
RS Stock No. 343-1390
Mfr. Part No.R100 3.0MM
BrandDormer
$52.34
Each
units
3mm Twist Drill Bit Jobber Solid Carbide 61 mm
RS Stock No. 728-7276
Mfr. Part No.A1255.5X200
BrandDormer
$29.18
Each
units
5.5mm Twist Drill Bit Long HSS 200 mm
RS Stock No. 545-878
Mfr. Part No.A100 2.50MM
BrandDormer
$3.062
Each (In a Pack of 5)
units
2.5mm Twist Drill Bit Jobber HSS 57 mm
RS Stock No. 794-7246
Mfr. Part No.A0023.0
BrandDormer
$13.52
1 Box of 5
Box(es)
3mm Twist Drill Bit Jobber HSS-TiN 61 mm
RS Stock No. 545-812
Mfr. Part No.A100 1.50MM
BrandDormer
$3.842
Each (In a Pack of 5)
units
1.5mm Twist Drill Bit Jobber HSS 40 mm
RS Stock No. 542-784
Mfr. Part No.A225 BS2
BrandDormer
$11.01
Each
units
1.6mm Centre Drill Bit - HSS 1.75 in
RS Stock No. 792-074
Mfr. Part No.A110 2.5MM
BrandDormer
$8.11
Each
units
2.5mm Twist Drill Bit Long HSS 95 mm
RS Stock No. 794-7259
Mfr. Part No.A0023.2
BrandDormer
$14.36
1 Box of 5
Box(es)
3.2mm Twist Drill Bit Jobber HSS-TiN 65 mm
RS Stock No. 794-7287
Mfr. Part No.A0024.1
BrandDormer
$17.94
1 Box of 5
Box(es)
4.1mm Twist Drill Bit Jobber HSS-TiN 75 mm
RS Stock No. 773-124
Mfr. Part No.A225 BS5
BrandDormer
$24.56
Each
units
4.8mm Centre Drill Bit - HSS 2.5 in
RS Stock No. 545-862
Mfr. Part No.A100 2.30MM
BrandDormer
$3.75
Each (In a Pack of 5)
units
2.3mm Twist Drill Bit Jobber HSS 53 mm