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. 232-513
BrandRS PRO
HK$840.84
Each
units
11 7 37mm 5mm HSS 7mm 37mm
RS Stock No. 232-541
BrandRS PRO
HK$259.12
Each
units
8 4 → 12mm 3mm High Speed Molybdenum Steel 4mm 12mm
RS Stock No. 232-529
BrandRS PRO
HK$721.29
Each
units
11 8 → 41mm 5mm HSS 8mm 41mm
RS Stock No. 232-507
BrandRS PRO
HK$702.42
Each
units
11 6 → 36mm 5mm HSS 6mm 36mm
RS Stock No. 499-429
Mfr. Part No.4407022
BrandEXACT
HK$546.26
Each
units
9 4 → 20mm 4mm HSS 4mm 20mm
RS Stock No. 499-318
Mfr. Part No.4450063
BrandEXACT
HK$651.42
Each
units
11 20 → 30mm 4mm HSS 20mm 30mm
RS Stock No. 706-8606
Mfr. Part No.DT5030-QZ
BrandDeWALT
HK$409.32
Each
units
9 14 → 25mm 25mm HSS 14mm 25mm
RS Stock No. 232-535
BrandRS PRO
HK$532.42
Each
units
3 M16 → M25 3mm HSS M16 M25
RS Stock No. 232-557
BrandRS PRO
HK$266.21
Each
units
9 4 → 20mm 3mm HSS 4mm 20mm
RS Stock No. 423-860
BrandRS PRO
HK$192.76
Each
units
5 5 → 13mm - M2 HSS 5mm 13mm
RS Stock No. 499-328
Mfr. Part No.4450067
BrandEXACT
HK$349.26
Each
units
9 4 → 20mm 4mm HSS 4mm 20mm
RS Stock No. 508-9187
Mfr. Part No.05329
BrandEXACT
HK$544.78
Each
units
13 6 30mm 4mm HSS 6mm 30mm
RS Stock No. 499-441
Mfr. Part No.4450061
BrandEXACT
HK$249.85
Each
units
9 4 → 12mm 5mm HSS-TiAlN 4mm 12mm
RS Stock No. 232-585
BrandRS PRO
HK$494.67
Each
units
11 20 → 30mm 3mm HSS 20mm 30mm
RS Stock No. 423-854
BrandRS PRO
HK$172.98
Each
units
5 4 → 12mm - M2 HSS 4mm 12mm
RS Stock No. 113-8667
Mfr. Part No.2608597519
BrandBosch
HK$823.11
Each
units
9 4 → 20mm 4mm HSS 4mm 20mm
RS Stock No. 232-490
BrandRS PRO
HK$799.77
Each
units
15 6 → 40mm 3mm HSS 6mm 40mm
RS Stock No. 123-8508
BrandRS PRO
HK$681.37
Each
units
10 - - HSS 6mm 30.5mm
RS Stock No. 232-591
BrandRS PRO
HK$510.11
Each
units
6 PG7 → PG21 3mm HSS PG7 PG21
New
RS Stock No. 194-7929
Mfr. Part No.D-40141
BrandMakita
HK$249.96
Each
units
- 6.3 → 20.5mm 20.5mm - - 1/4in
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