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. 508-8948
Mfr. Part No.05310
BrandEXACT
TWD2,731.00
Each
units
11 7 30.5mm 6mm HSS 7mm 30.5mm
RS Stock No. 499-419
Mfr. Part No.4407021
BrandEXACT
TWD1,597.00
Each
units
9 4 → 12mm 5mm HSS 4mm 12mm
RS Stock No. 499-425
Mfr. Part No.4407023
BrandEXACT
TWD2,713.00
Each
units
13 6 → 30mm 4mm HSS 6mm 30mm
RS Stock No. 508-8768
Mfr. Part No.05362
BrandEXACT
TWD945.00
Each
units
10 3.5 → 12.5mm - HSS 3.5mm 12.5mm
RS Stock No. 508-9137
Mfr. Part No.07001
BrandEXACT
TWD1,306.00
Each
units
- 4 → 12mm - HSS 4mm 12mm
RS Stock No. 508-9957
Mfr. Part No.07005
BrandEXACT
TWD3,382.00
Each
units
- 6 → 36mm - HSS 6mm 36mm
RS Stock No. 499-318
Mfr. Part No.4450063
BrandEXACT
TWD2,489.00
Each
units
11 20 → 30mm 4mm HSS 20mm 30mm
RS Stock No. 499-429
Mfr. Part No.4407022
BrandEXACT
TWD2,050.00
Each
units
9 4 → 20mm 4mm HSS 4mm 20mm
RS Stock No. 508-9294
Mfr. Part No.05328
BrandEXACT
TWD1,215.00
Each
units
9 4 20mm 4mm HSS 4mm 20mm
RS Stock No. 508-9115
Mfr. Part No.07003
BrandEXACT
TWD2,363.00
Each
units
- 6 → 30mm - HSS 6mm 30mm
RS Stock No. 508-9187
Mfr. Part No.05329
BrandEXACT
TWD2,041.00
Each
units
13 6 30mm 4mm HSS 6mm 30mm
RS Stock No. 508-9222
Mfr. Part No.05321
BrandEXACT
TWD911.00
Each
units
9 4 → 12mm 5mm HSS 4mm 12mm
RS Stock No. 508-8774
Mfr. Part No.05361
BrandEXACT
TWD945.00
Each
units
11 3 → 13mm - HSS 3mm 13mm
RS Stock No. 499-457
Mfr. Part No.4450069
BrandEXACT
TWD2,903.00
Each
units
10 9 → 36mm 3mm HSS 9mm 36mm
RS Stock No. 499-431
Mfr. Part No.4407025
BrandEXACT
TWD3,839.00
Each
units
11 6 → 36mm 3mm HSS 6mm 36mm
RS Stock No. 499-441
Mfr. Part No.4450061
BrandEXACT
TWD915.00
Each
units
9 4 → 12mm 5mm HSS-TiAlN 4mm 12mm
RS Stock No. 499-352
Mfr. Part No.4450062
BrandEXACT
TWD1,792.00
Each
units
9 12 → 20mm 4mm HSS 12mm 20mm
RS Stock No. 508-9171
Mfr. Part No.05330
BrandEXACT
TWD2,325.00
Each
units
10 9 36mm 3mm HSS 9mm 36mm
RS Stock No. 508-9216
Mfr. Part No.05323
BrandEXACT
TWD2,109.00
Each
units
11 20 → 30mm 4mm HSS 20mm 30mm
RS Stock No. 508-9109
Mfr. Part No.05322
BrandEXACT
TWD1,406.00
Each
units
9 12 → 20mm 4mm HSS 12mm 20mm