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. 768-3148
Mfr. Part No.2608585875
BrandBosch
HK$21.264
Each (In a Pack of 10)
units
2.5mm Twist Drill Bit Twist Drill HSS 57 mm
RS Stock No. 768-3138
Mfr. Part No.2608585842
BrandBosch
HK$24.23
Each
units
3mm Twist Drill Bit Twist Drill HSS 61 mm
RS Stock No. 787-7292
BrandRS PRO
HK$163.25
1 Tube of 5
Tube(s)
7mm Twist Drill Bit Short HSS 74 mm
RS Stock No. 768-3172
Mfr. Part No.2608585889
BrandBosch
HK$45.902
Each (In a Pack of 10)
units
6mm Twist Drill Bit Twist Drill HSS 93 mm
RS Stock No. 794-7628
Mfr. Part No.A7776.5
BrandDormer
HK$925.84
1 Box of 10
Box(es)
6.5mm Twist Drill Bit Jobber HSS-E 101 mm
RS Stock No. 695-0459
Mfr. Part No.A9002.0
BrandDormer
HK$58.41
Each
units
2mm Twist Drill Bit Jobber HSCo 49 mm
RS Stock No. 695-0443
Mfr. Part No.A9001.0
BrandDormer
HK$79.78
Each
units
1mm Twist Drill Bit Jobber HSCo 34 mm
RS Stock No. 216-432
BrandRS PRO
HK$559.68
1 Box of 10
Box(es)
8mm Twist Drill Bit Jobber HSCo 117 mm
RS Stock No. 794-7650
Mfr. Part No.A77712.0
BrandDormer
HK$1,605.26
1 Box of 5
Box(es)
12mm Twist Drill Bit Jobber HSS-E 151 mm
RS Stock No. 788-3809
Mfr. Part No.2608597403
BrandBosch
HK$357.39
Each
units
12mm SDS Drill Bit - - 600 mm
RS Stock No. 768-3150
Mfr. Part No.2608585879
BrandBosch
HK$28.511
Each (In a Pack of 10)
units
3.5mm Twist Drill Bit Twist Drill HSS 70 mm
RS Stock No. 768-3242
Mfr. Part No.2608595059
BrandBosch
HK$15.125
Each (In a Pack of 10)
units
4mm Twist Drill Bit Jobber HSS-G 75 mm
RS Stock No. 386-8269
Mfr. Part No.A002 8.80MM
BrandDormer
HK$58.85
Each
units
8.8mm Twist Drill Bit Jobber HSS 125 mm
RS Stock No. 695-0352
Mfr. Part No.A9403.5
BrandDormer
HK$144.94
Each
units
3.5mm Twist Drill Bit Long HSCo 112 mm
RS Stock No. 794-7580
Mfr. Part No.A7771.0
BrandDormer
HK$432.52
1 Box of 10
Box(es)
1mm Twist Drill Bit Jobber HSS-E 34 mm
RS Stock No. 768-3227
Mfr. Part No.2608595055
BrandBosch
HK$11.621
Each (In a Pack of 10)
units
3mm Twist Drill Bit Twist Drill HSS-G 61 mm
RS Stock No. 794-7518
Mfr. Part No.A1083.3
BrandDormer
HK$311.15
1 Box of 10
Box(es)
3.3mm Twist Drill Bit Jobber HSS 65 mm
RS Stock No. 768-3217
Mfr. Part No.2608595049
BrandBosch
HK$9.885
Each (In a Pack of 10)
units
1mm Twist Drill Bit Jobber HSS-G 34 mm
RS Stock No. 768-3166
Mfr. Part No.2608585883
BrandBosch
HK$35.747
Each (In a Pack of 10)
units
4.5mm Twist Drill Bit Twist Drill HSS 80 mm
RS Stock No. 794-7640
Mfr. Part No.A7779.0
BrandDormer
HK$1,410.23
1 Box of 10
Box(es)
9mm Twist Drill Bit Jobber HSS-E 125 mm
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