Step Drill Bits

Step drills are an efficient way of drilling multiple sized holes in a piece of work without the need to frequently change bit sizes. Their stepped cone shape allows for multiple diameter cutting surfaces on one drill bit along a short distance. This construction helps to produce cleaner holes as the bit cuts incrementally larger holes as it passes through the material. This method stops the need to switch between multiple drill bit sizes when working from a small pilot hole up through to holes 40mm or more. Features and Benefits Time saving Multiple hole sizes from one bit Cleaner cut holesWhere might I use one?Step drills are suitable for materials such as metal, wood and acrylic and can be used in both hand and pillar drills. Always consider the materials you are working with when purchasing a stepped drill bit due to their shortened length when compared to traditional twist drill bits.

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Description Price Number of Steps Drill Diameter Maximum Drilling Thickness Material Minimum Head Size Maximum Head Size
RS Stock No. 499-352
Mfr. Part No.4450062
BrandEXACT
SGD77.48
Each
units
9 12 → 20mm 4mm HSS 12mm 20mm
RS Stock No. 499-457
Mfr. Part No.4450069
BrandEXACT
SGD127.65
Each
units
10 9 → 36mm 3mm HSS 9mm 36mm
RS Stock No. 499-419
Mfr. Part No.4407021
BrandEXACT
SGD67.53
Each
units
9 4 → 12mm 5mm HSS 4mm 12mm
New
RS Stock No. 194-7924
Mfr. Part No.D-40098
BrandMakita
SGD57.13
Each
units
- 4 → 20mm 20.5mm - - 1/4in
RS Stock No. 508-8948
Mfr. Part No.05310
BrandEXACT
SGD123.42
Each
units
11 7 30.5mm 6mm HSS 7mm 30.5mm
New
RS Stock No. 194-7926
Mfr. Part No.D-40113
BrandMakita
SGD34.11
Each
units
- 4 → 12mm 20.5mm - - 1/4in
RS Stock No. 113-8667
Mfr. Part No.2608597519
BrandBosch
SGD162.61
Each
units
9 4 → 20mm 4mm HSS 4mm 20mm
New
RS Stock No. 194-7928
Mfr. Part No.D-40135
BrandMakita
SGD129.01
Each
units
- 6.3 → 20.5mm 20.5mm - - 6mm
RS Stock No. 188-3786
Mfr. Part No.285.F1
BrandFacom
SGD24.86
Each
units
1 Maximum of 3.5mm - - - 3.5mm
RS Stock No. 188-3879
Mfr. Part No.229A.ST2
BrandFacom
SGD237.80
Each
units
13 4 → 39mm - - 4mm 39mm
RS Stock No. 499-318
Mfr. Part No.4450063
BrandEXACT
SGD107.84
Each
units
11 20 → 30mm 4mm HSS 20mm 30mm
New
RS Stock No. 194-7923
Mfr. Part No.D-40082
BrandMakita
SGD32.26
Each
units
- 4 → 12mm 20.5mm - - 1/4in
RS Stock No. 113-8668
Mfr. Part No.2608597520
BrandBosch
SGD249.44
Each
units
13 6 → 30mm 4mm HSS 6mm 30mm
RS Stock No. 508-9109
Mfr. Part No.05322
BrandEXACT
SGD65.30
Each
units
9 12 → 20mm 4mm HSS 12mm 20mm
RS Stock No. 399-0962
Mfr. Part No.T3011
BrandCK
SGD156.56
Each
units
12 6 30mm - HSS 6mm 30mm
New
RS Stock No. 194-7929
Mfr. Part No.D-40141
BrandMakita
SGD42.39
Each
units
- 6.3 → 20.5mm 20.5mm - - 1/4in
New
RS Stock No. 194-7932
Mfr. Part No.D-40179
BrandMakita
SGD43.32
Each
units
- 6.3 → 20.5mm 20.5mm - - 1/4in
RS Stock No. 508-9187
Mfr. Part No.05329
BrandEXACT
SGD86.10
Each
units
13 6 30mm 4mm HSS 6mm 30mm
New
RS Stock No. 194-7930
Mfr. Part No.D-40157
BrandMakita
SGD57.13
Each
units
- 6.3 → 20.5mm 20.5mm - - 1/4in
RS Stock No. 706-8606
Mfr. Part No.DT5030-QZ
BrandDeWALT
SGD84.33
Each
units
9 14 → 25mm 25mm HSS 14mm 25mm
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