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 holes
Where 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. 123-8512
BrandRS PRO
$49.76
Each
units
- - - HSS 16mm 32mm
RS Stock No. 232-507
BrandRS PRO
$149.22
Each
units
11 6 → 36mm 5mm HSS 6mm 36mm
RS Stock No. 232-490
BrandRS PRO
$169.89
Each
units
15 6 → 40mm 3mm HSS 6mm 40mm
RS Stock No. 232-529
BrandRS PRO
$153.20
Each
units
11 8 → 41mm 5mm HSS 8mm 41mm
RS Stock No. 423-866
BrandRS PRO
$58.05
Each
units
7 8 → 20mm - M2 HSS 8mm 20mm
RS Stock No. 123-8514
BrandRS PRO
$37.99
Each
units
- - - HSS 16mm 25mm
RS Stock No. 232-557
BrandRS PRO
$48.05
Each
units
9 4 → 20mm 3mm HSS 4mm 20mm
RS Stock No. 123-8511
BrandRS PRO
$77.52
Each
units
13 - - HSS 5mm 35mm
RS Stock No. 232-563
BrandRS PRO
$123.82
Each
units
14 4 → 30mm 3mm HSS 4mm 30mm
RS Stock No. 232-513
BrandRS PRO
$178.75
Each
units
11 7 → 37mm 5mm HSS 7mm 37mm
RS Stock No. 423-860
BrandRS PRO
$31.43
Each
units
5 5 → 13mm - M2 HSS 5mm 13mm
RS Stock No. 232-535
BrandRS PRO
$86.45
Each
units
3 M16 → M25 3mm HSS M16 M25
RS Stock No. 232-585
BrandRS PRO
$115.03
Each
units
11 20 → 30mm 3mm HSS 20mm 30mm
RS Stock No. 123-8513
BrandRS PRO
$40.71
Each
units
10 - - HSS 4mm 22mm
RS Stock No. 123-8510
BrandRS PRO
$41.07
Each
units
9 - - HSS 4mm 12mm
RS Stock No. 123-8515
BrandRS PRO
$51.38
Each
units
- - - HSS 12mm 25mm
RS Stock No. 232-579
BrandRS PRO
$65.48
Each
units
11 10 → 20mm - HSS 10mm 20mm
RS Stock No. 232-541
BrandRS PRO
$56.49
Each
units
8 4 → 12mm 3mm High Speed Molybdenum Steel 4mm 12mm
RS Stock No. 232-591
BrandRS PRO
$81.90
Each
units
6 PG7 → PG21 3mm HSS PG7 PG21
RS Stock No. 123-8508
BrandRS PRO
$105.34
Each
units
10 - - HSS 6mm 30.5mm
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