Which materials is this Milwaukee step drill bit suitable for?

This cobalt step drill bit with AlCrN coating is engineered for drilling into mild steel and stainless steel.

What hole diameters can be drilled with this step bit?

It covers hole sizes from 6 mm to 35 mm in steps (6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, and 35 mm).

Do you need to pilot drill before using this bit?

No, the Rapid Strike tip ensures accurate starts without wandering and eliminates the need for pilot drilling.

What type of shank does this step drill bit have?

It features a 3-flat shank design that prevents slipping and secures a firm grip in the drill chuck.

What are the benefits of the AlCrN coating?

The aluminum chromium nitride coating combined with M35 cobalt steel generates less heat and delivers extended tool life.

MILWAUKEE 48899395 step drill Cobalt AlCrN 6-35 mm

Name: MILWAUKEE 48899395 step drill Cobalt AlCrN 6-35 mm
Brand: MILWAUKEE
SKU: 08088075
Price: 161.8 EUR
Availability: PreOrder

Supplier number: MILWAUKEE 48899395 | EAN 0045242567676

Recommended Retail Price €323.86

161.80 tax incl.

€133.72 excl. VAT (incl. all environmental contributions)

On order: delivered from 10/10/2026

pack

Ordered before 20:00 - delivered as of 10/10/2026
Free shipping
Delivery by DHL
Delivered from Belgium

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How does it work?

Buy Milwaukee products with a total order value of at least €250 excl. VAT.
For a total order value of €250 excl. VAT up to but excluding €500 excl. VAT, you receive a FREE Milwaukee 12-piece Tri-Lobe screwdriver set (4932472003) worth €55.90.
For a total order value of €500 excl. VAT up to but excluding €750 excl. VAT, you receive a FREE Milwaukee M18 125 mm Random Orbital Sander cordless random orbital sander (4933464228) worth €168.90.
For a total order value of €750 excl. VAT or more, you receive a FREE Milwaukee M18 FUEL 125 mm cordless angle grinder with slide switch and brake worth €357.90.
The free item is automatically added to your order. No registration is required.
This promotion cannot be combined with the ongoing Milwaukee Cashback Promotion on Milwaukee hand tools. An invoice for which you receive a free Buy More, Get More gift therefore cannot also be submitted for the Milwaukee hand tools cashback promotion.
The promotion is valid from 01.10.2026 to 31.10.2026.
Milwaukee Buy More, Get More deals are recognisable by the promotion label on the product page. Click the label to view all available deals.

Fast and accurate step drilling with Milwaukee

Practical benefits

Extended durability in stainless: The cobalt steel construction with AlCrN coating resists extreme heat, allowing you to cut through tough metals with minimal wear.
Instant start without wandering: The specialized centering tip bites instantly into the workpiece so you can begin drilling accurately without needing a pilot hole.
Secure non-slip chuck grip: The 3-flat shank prevents the bit from slipping in the chuck, ensuring you maintain maximum torque transfer during heavy drilling.

In a nutshell

The right choise for

Drill fast, clean, and burr-free holes through tough metals with the Milwaukee 48899395 cobalt AlCrN step drill bit. Engineered with M35 cobalt steel and an AlCrN coating, it minimizes friction and heat buildup to deliver extended durability in stainless steel and sheet metal. With hole steps ranging from 6 mm to 35 mm, you can drill or enlarge multiple diameters without swapping bits. The Rapid Strike tip bites instantly into workpieces for accurate starts without walking or pilot drilling, while the 3-flat shank ensures maximum torque transfer without slipping in the chuck.

Product information FAQ

€161.80

tax incl.

Key features according to our expert

Smallest diameter: 6 mm
Largest diameter: 32 mm
Shank size: 10 mm

Product description

New Aluminium Chromium Nitride (AlCrN) coating for 10x more life vs. MILWAUKEE standard step drill.
For steel and stainless steel.
RAPID STRIKE TIP: Accurate start without walking and fast drilling without the need to pre-drill the material.
Special tip and step geometry for jam-free performance - less risk of drill snagging when used with cordless tools and also prevents deformation of the drilled material.
Optimised 2 flute ground sharpened edge geometry for 2 x faster and smoother cutting.
With 3 flat secure grip to prevent step drill from slipping in the chuck and ensure maximum transmission of torque.
Laser engraved size markings for best long term visibility.

All Features

Smallest diameter: 6 mm
Largest diameter: 32 mm
Shank size: 10 mm
Number of steps: 16
Overall length (mm): 86
Shaft diameter (mm): 10

Brand MILWAUKEE
08088075
EAN 0045242567676
Supplier number MILWAUKEE 48899395

Frequently asked questions about this product

Answered by specialists

Which materials is this Milwaukee step drill bit suitable for?: This cobalt step drill bit with AlCrN coating is engineered for drilling into mild steel and stainless steel.
What hole diameters can be drilled with this step bit?: It covers hole sizes from 6 mm to 35 mm in steps (6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, and 35 mm).
Do you need to pilot drill before using this bit?: No, the Rapid Strike tip ensures accurate starts without wandering and eliminates the need for pilot drilling.
What type of shank does this step drill bit have?: It features a 3-flat shank design that prevents slipping and secures a firm grip in the drill chuck.
What are the benefits of the AlCrN coating?: The aluminum chromium nitride coating combined with M35 cobalt steel generates less heat and delivers extended tool life.