► P&N | Step Drills

Accurate Multi-Size Drilling With Greater Control P&N Step Drills are M2 HSS multi-diameter drills for sheet metal, aluminium, plastic & fibre glass. Their fixed drilling steps let you progressively increase hole diameter with one drill, reducing the need to swap between multiple individual drill sizes. For sheet metal, P&N specifies...

Accurate Multi-Size Drilling With Greater Control

P&N Step Drills are M2 HSS multi-diameter drills for sheet metal, aluminium, plastic & fibre glass. Their fixed drilling steps let you progressively increase hole diameter with one drill, reducing the need to swap between multiple individual drill sizes.

For sheet metal, P&N specifies these step drills as ideal for drilling without pre-drilling. As drilling progresses, the next step deburrs the previously drilled hole. The spiral flute is designed to reduce vibration & provide greater control through each step.

Choosing the right model comes down to matching the fixed drilling steps with the finished hole diameters required for the job.

Explore the wider Drills range for additional drilling options or browse Power Tools when building a broader drilling setup.

What Makes P&N Step Drills Different?

A conventional drill produces one nominal hole diameter. A step drill bit incorporates several fixed diameters into one stepped tool.

Each step increases the hole to its specified diameter as the drill progresses through the material. This makes the individual step sequence more important than simply choosing the model with the largest overall range.

P&N constructs its standard Step Drill range from M2 High Speed Steel (HSS). The spiral flute is designed for reduced vibration & greater control through the steps. A three-flat shank is designed to suit a three-jaw chuck.

The stepped geometry also provides a useful finishing action during drilling: the next step deburrs the previously drilled hole.

When a step drill forms part of a larger drilling setup, Drill Accessories are a logical category to consider alongside the drill itself.

For broader drilling knowledge, The Tradies Guide To Drill Bits can support further drill-bit research.

Why Choose P&N Step Drills?

The key advantage is access to several predetermined hole diameters from one drill.

► Fixed drilling steps – each P&N model provides a defined sequence of hole diameters
► M2 HSS construction – standard P&N Step Drills are manufactured from M2 High Speed Steel
► Spiral flute – designed for reduced vibration & greater control through each step
► Progressive deburring – the next step deburrs the previously drilled hole
► No pre-drilling in sheet metal – P&N identifies the range as ideal for this application
► Three-flat shank – designed to suit a three-jaw chuck

These features make the actual step sequence the critical specification to check before ordering.

Where drilling forms part of metal preparation, Metal Cutting & Grinding Tools provide a relevant path into complementary workshop equipment.

What Materials Can P&N Step Drills Be Used On?

P&N specifies its standard Step Drill range for sheet metal, aluminium, plastic & fibre glass.

Sheet Metal
P&N describes the range as ideal for sheet metal without pre-drilling. The stepped design progressively increases the hole until the required listed diameter is reached.

Aluminium
Aluminium is included within P&N's specified material applications for the Step Drill range.

Plastic
P&N also identifies plastic as a suitable application.

Fibre Glass
Fibre glass completes the four material applications specified by P&N for these step drills.

Where accurate drilling forms part of a wider fabrication process, Fabrication Tools & Workholding can complement the drilling setup with related workshop equipment.

Tool preparation matters beyond the individual drill too. Spring Jobsite Prep Getting Your Gear Ready provides additional reading around preparing tools & equipment for upcoming work.

Which P&N Step Drill Size Should You Choose?

Choose by the finished hole diameter first. The correct P&N Step Drill is the model containing the exact fixed step required for the job.

P&N Step Drill

Fixed Hole Diameters

Steps

4–12mm

4, 5, 6, 7, 8, 9, 10, 11, 12mm

9

4–20mm

4, 6, 8, 10, 12, 14, 16, 18, 20mm

9

4–30mm

4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30mm

14

6–36mm

6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36mm

11

4–12mm – 9 Steps
This model provides 1mm increments from 4mm through to 12mm, giving it the closest diameter progression within the standard range.

4–20mm – 9 Steps
The 4–20mm model covers 4, 6, 8, 10, 12, 14, 16, 18 & 20mm.

4–30mm – 14 Steps
This option provides the greatest number of fixed steps within the standard range, extending from 4mm to 30mm.

6–36mm – 11 Steps
For larger listed diameters, the 6–36mm model progresses through 11 fixed sizes up to 36mm.

Important: a stated range such as 4–30mm does not mean every diameter between 4mm & 30mm is included. Always check the individual steps before choosing.

Where accurate positioning & dimensional checking form part of the job, Measuring & Layout Tools provide a complementary category for the wider drilling workflow.

Get the Selection Right Before You Drill

The best step drill is not automatically the model with the largest maximum diameter. It is the model whose fixed steps match the holes required.

► Start with the finished diameter – identify the required hole size before comparing models
► Check every listed step – don't rely purely on the minimum & maximum range
► Match the material – P&N specifies sheet metal, aluminium, plastic & fibre glass
► Check the shank setup – standard P&N Step Drills use a three-flat shank suited to a three-jaw chuck
► Compare step intervals – the 4–12mm model uses a different progression from the larger ranges
► Consider the complete setup – drilling, measurement & workholding requirements can influence how the job is approached

Power-tool condition is another part of maintaining a dependable drilling setup. 7 Signs Your Power Tool Needs a Service Before It Fails on Site covers warning signs worth recognising before equipment issues interrupt the job.

Why Buy P&N Step Drills From Industrial Shed?

Choosing the right step drill starts with matching the required diameter, material & drilling setup to the correct P&N range. Industrial Shed gives Australian trade buyers a straightforward way to compare drilling equipment alongside related workshop gear.

For businesses purchasing tools & equipment regularly, Trade support Solutions provides access to Industrial Shed's trade-focused support.

When you're ready to order, check Same day dispatch for current Industrial Shed shipping & delivery information.

Match the Hole. Match the Step. Choose With Confidence.

Compare the fixed diameters, match the material & choose the P&N Step Drill range suited to the holes you need to produce.

Frequently Asked Questions

P&N specifies its standard Step Drills for drilling sheet metal, aluminium, plastic & fibre glass across the fixed diameters provided on each model.

Yes. P&N describes the Step Drill range as ideal for sheet metal without pre-drilling.

The 4–12mm P&N Step Drill has nine fixed diameters: 4, 5, 6, 7, 8, 9, 10, 11 & 12mm.

The standard P&N Step Drill range is constructed from M2 High Speed Steel.

P&N states that the spiral flute provides reduced vibration & greater control through the drilling steps.

Yes. During drilling, the next step deburrs the previously drilled hole.

P&N specifies a three-flat shank designed to suit a three-jaw chuck.

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