Description
Step Drill are the best option for enlarging existing holes. More durable than twist drill bits, with a thick core, which resists breakage. For clean burr free holes, less reaming required. Drills plastic without splitting or cracking. Ideal for the following trades/application; Electrical: drilling of panels and cabinets for cable gland installation, plumbing / hvac: access holes for pipework and installtion, metal workers / fabrication: various sizes and hole enlargement, automotive: holes for cable installation (mobile telephones, antennas, re-directing electrical wiring), maintenance repair operations: various applications, sizes and hole enlargement. Step drills are ideal for drilling into the following materials; ferrous & non-ferrous sheets metals, profiles and pipes, copper, brass and aluminium, stainless steel, plastics, maximum material thickness 4 mm, to ensure best lifetime we recommend the use of a coolant.Features and Benefits:Spot drill – Drill – Debur – All in one goRapid Strike tip for improved centring – less walking and fast drilling without the need to punch or pre drill the material.Special tip and step geometry for jam-free performance – less risk of drill snagging when used with high speed cordless tools and also prevents deformation of the drilled material.Optimised 2 flute ground sharpened edge geometry for 2 x faster and smoother cutting.Produced from custom engineered steel with black oxide coating for 4 x longer life.Optimised for use with high speed cordless drills.Laser engraved size markings for best long term visibility.Each step is relief ground to drill and deburr automatically.With 3 flat secure grip to prevent step drill from slipping in the chuck and ensure maximum transmission of torque.Technical Specification:Pack Qty ea. – 3Size – Ø4-12:No. of steps – 7Overall length (mm) – 65Shank diameter (mm) – 6Size – Ø4-20:No. of steps – 9Overall length (mm) – 65Shank diameter (mm) – 8Size – Ø6-35:No. of steps – 14Overall length (mm) – 90Shank diameter (mm) – 10
Milwaukee 48899399 3 Piece Step Drill Bit Set (4mm – 12mm / 4mm – 20mm / 6mm – 35mm) — Overview
The Milwaukee 48899399 3 Piece Step Drill Bit Set (4mm – 12mm / 4mm – 20mm / 6mm – 35mm) is available to buy online in Australia at PowerTools Australia for $264.11 inc GST. Milwaukee is a trusted name among Australian tradies and DIYers, and this piece step drill bit set ( – / – / – ) continues that reputation with dependable everyday performance. Designed for drill bits metal applications, it suits professional trade use, workshop projects and home DIY alike. It is in stock now with fast Australia-wide delivery and a genuine warranty. Order the Milwaukee 48899399 3 Piece Step Drill Bit Set (4mm – 12mm / 4mm – 20mm / 6mm – 35mm) today and get the right tool for your next job at a seriously competitive Australian price.
Why Buy the Milwaukee 48899399 3 Piece Step Drill Bit Set (4mm – 12mm / 4mm – 20mm / 6mm – 35mm)?
- Genuine Milwaukee product with Australian warranty support
- Competitive Australian pricing — currently $264.11 inc GST
- Fast delivery Australia-wide from our warehouse
- Backed by real product support from the PowerTools Australia team
Buying Guide: Choosing the Right Piece Step Drill Bit Set ( – / – / – ) in Australia
When comparing piece step drill bit set ( – / – / – ) options for Australian conditions, weigh up the specifications that matter for your work: power output and duty cycle for the jobs you do most, compatibility with any battery platform or accessories you already own, ergonomics and weight for long sessions, and warranty coverage. Milwaukee tools are widely supported in Australia, making consumables, accessories and service straightforward to source. If you are unsure whether this model fits your application, our team can point you to the right option in our drill bits metal range.
Frequently asked questions
Where can I buy the Milwaukee 48899399 3 Piece Step Drill Bit Set (4mm – 12mm / 4mm – 20mm / 6mm – 35mm) online?
You can order the Milwaukee 48899399 3 Piece Step Drill Bit Set (4mm – 12mm / 4mm – 20mm / 6mm – 35mm) right on this page — it is part of our Drill Bits Metal range at Power Tools Australia, with secure online ordering and delivery across Australia.
How much does the Milwaukee 48899399 3 Piece Step Drill Bit Set (4mm – 12mm / 4mm – 20mm / 6mm – 35mm) cost?
The current listed price — GST inclusive — is shown in the price box on this page, and any delivery cost is calculated at checkout. Check this week’s deals for current specials.
Is the Milwaukee 48899399 3 Piece Step Drill Bit Set (4mm – 12mm / 4mm – 20mm / 6mm – 35mm) genuine?
Yes — the Milwaukee 48899399 3 Piece Step Drill Bit Set (4mm – 12mm / 4mm – 20mm / 6mm – 35mm) is a genuine Milwaukee product sold by Power Tools Australia. If you would like confirmation for a specific model, our team is happy to help via the contact page.
Does the Milwaukee 48899399 3 Piece Step Drill Bit Set (4mm – 12mm / 4mm – 20mm / 6mm – 35mm) come with a warranty?
Yes — every product sold at Power Tools Australia carries genuine manufacturer warranty coverage, with brand-specific terms explained on our warranty page. Contact us if you need the exact warranty term for this model before ordering.
How long does delivery take?
Orders are generally processed within 1–2 business days of payment, then delivered across Australia by trusted courier and postal services — typically 2–5 business days in metro areas, 4–8 in regional areas and 5–12 in remote areas. Delivery charges are confirmed at checkout. See our shipping & delivery page for details.
What should I check before buying the Milwaukee 48899399 3 Piece Step Drill Bit Set (4mm – 12mm / 4mm – 20mm / 6mm – 35mm)?
Match the specifications listed above to the work you plan to do — power, size, battery platform (if cordless) and what is included in the box. If you are unsure whether the Milwaukee 48899399 3 Piece Step Drill Bit Set (4mm – 12mm / 4mm – 20mm / 6mm – 35mm) suits your job, send our team a message and we will point you to the right option in the Drill Bits Metal range.
Can I return the Milwaukee 48899399 3 Piece Step Drill Bit Set (4mm – 12mm / 4mm – 20mm / 6mm – 35mm) if I change my mind?
Yes — we accept change-of-mind returns subject to the conditions on our returns page (clearance and special-order items differ). Faulty or incorrect products are handled under Australian Consumer Law. Contact us and we will sort it out.
