MILWAUKEE Step Drill Bit Set: 3 Pc, 4 mm to 35 mm
SKU 3G-OTH-198658
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Frequently Asked Questions
What is the MILWAUKEE Step Drill Bit Set 48-89-9399 used for?
This 3-piece step drill bit set is used for drilling clean, burr-free holes in metal, plastic, and wood. It is ideal for electrical, plumbing, and HVAC applications where precise hole sizing from 4 mm to 35 mm is required. The black oxide HSS construction provides durability for repeated use.
What are the specifications of the MILWAUKEE Step Drill Bit Set 48-89-9399?
The set includes three step drill bits covering sizes from 4 mm to 35 mm. They are made of high-speed steel with a black oxide finish. The bits are not impact rated, meaning they should be used in standard drills, not impact drivers. The manufacturer part number is 48-89-9399.
Where to buy MILWAUKEE Step Drill Bit Set 48-89-9399 worldwide?
You can source the MILWAUKEE Step Drill Bit Set 48-89-9399 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to select the right step drill bit size for your project?
Choose a step drill bit that covers the hole diameter you need. The MILWAUKEE set ranges from 4 mm to 35 mm, allowing you to drill multiple sizes with one bit. For thin materials, start with a smaller step and gradually increase. Always use cutting oil for smoother cuts and longer bit life.
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3G Electric supplies MILWAUKEE high-speed steel step drill bit sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.










