Centre Drill Bits

Ideal for drilling holes in preparation for a larger drill bit to be used, a centre drill bit is a reliable and accurate bit for piloting a range of materials. Suitable for woods, metals, ceramic and more, centre drill bits are most commonly made of high speed steel but carbide tipped or full carbide constructions are also available. Drill sizes vary in diameter and length as well as having various countersink pitches.
Features and Benefits
• Solid construction
• Reliable for accurate drilling and piloting
• Range of diameters
• Available in HSS and Carbide

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Description Price Series Diameter Standards Countersink Angle Rotation Diameter Gauge Double Ended Overall Length Material Bit Type
RS Stock No. 773-102
Mfr. Part No.A225-BS3
BrandDormer
SGD8.95
Each
units
AS225 3/32in BS328 60° Right Hand BS3 Yes 2 in HSS -
RS Stock No. 408-7900
BrandRS PRO
SGD3.48
Each
units
- 3/64in BS328 60° Right Hand BS1 Yes 1.5 in HSS -
RS Stock No. 773-118
Mfr. Part No.A225 BS4
BrandDormer
SGD10.82
Each
units
AS225 1/8in BS328 60° Right Hand BS4 Yes 2.25 in HSS -
RS Stock No. 773-130
Mfr. Part No.A225-BS6
BrandDormer
SGD44.79
Each
units
AS225 1/4in BS328 60° Right Hand BS6 Yes 3 in HSS -
RS Stock No. 408-7938
BrandRS PRO
SGD5.05
Each
units
- 3/32in BS328 60° Right Hand BS3 Yes 2 in HSS -
RS Stock No. 773-124
Mfr. Part No.A225 BS5
BrandDormer
SGD20.68
Each
units
AS225 3/16in BS328 60° Right Hand BS5 Yes 2.5 in HSS -
RS Stock No. 408-7922
BrandRS PRO
SGD3.90
Each
units
- 1/16in BS328 60° Right Hand BS2 Yes 1.75 in HSS -
RS Stock No. 408-7944
BrandRS PRO
SGD7.50
Each
units
- 1/8in BS328 60° Right Hand BS4 Yes 2.25 in HSS -
RS Stock No. 408-7950
BrandRS PRO
SGD10.68
Each
units
- 3/16in BS328 60° Right Hand BS5 Yes 2.5 in HSS -
RS Stock No. 136-3956
Mfr. Part No.A2425.0X12.0
BrandDormer
SGD66.55
Each
units
A242 5 (Centre) mm, 12 (Overall) mm - 60° Right Hand - Yes 100 mm HSS-E Centre Drill
RS Stock No. 542-784
Mfr. Part No.A225 BS2
BrandDormer
SGD8.58
Each
units
AS225 1/16in BS328 60° Right Hand BS2 Yes 1.75 in HSS -
RS Stock No. 136-3953
Mfr. Part No.A2422.0X6.0
BrandDormer
SGD25.05
Each
units
A242 2 (Centre) mm, 6 (Overall) mm - 60° Right Hand - Yes 100 mm HSS-E Centre Drill
RS Stock No. 136-3952
Mfr. Part No.A2421.0X4.0
BrandDormer
SGD23.38
Each
units
A242 1 (Centre) mm, 4 (Overall) mm - 60° Right Hand - Yes 100 mm HSS-E Centre Drill
RS Stock No. 136-3954
Mfr. Part No.A2423.0X8.0
BrandDormer
SGD28.67
Each
units
A242 3 (Centre) mm, 8 (Overall) mm - 60° Right Hand - Yes 100 mm HSS-E Centre Drill
RS Stock No. 182-1921
BrandRS PRO
SGD12.96
Each
units
- 8mm - - - - - - HSCo -
RS Stock No. 182-1886
BrandRS PRO
SGD14.51
Each
units
- 10mm - - - - - - HSCo -
RS Stock No. 542-790
Mfr. Part No.A225 BS1
BrandDormer
SGD7.39
Each
units
AS225 3/64in BS328 60° Right Hand BS1 Yes 1.5 in HSS -
RS Stock No. 182-1892
BrandRS PRO
SGD14.95
Each
units
- 10mm - - - - - - HSCo -
RS Stock No. 136-3955
Mfr. Part No.A2424.0X10.0
BrandDormer
SGD47.00
Each
units
A242 4 (Centre) mm, 10 (Overall) mm - 60° Right Hand - Yes 100 mm HSS-E Centre Drill
RS Stock No. 182-1915
BrandRS PRO
SGD11.99
Each
units
- 6mm - - - - - - HSCo -
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