Milwaukee Step Drill Bit Set, Multi-Size Step Drill Kit – 3-Piece Pack
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- The Milwaukee 48899399 step drill bit set includes three multi-step drill bits. It is designed for enlarging holes and drilling multiple diameters in sheet metal.
Key Features
Features & Benefits
Three Step Bits
Cover a range of hole sizes with just a few tools.
Optimised Step Geometry
Provides smooth drilling and reduced grab in thin materials.
Durable Coating
Surface treatment extends life when drilling metal panels.
Ideal for Sheet Metal
Ideal for electrical knockouts, cable entries and ductwork.
Clear Size Markings
Laser-etched steps make it easy to drill to the correct diameter.
Key Specifications
Custom Stock Status
Out Of Stock
Weight
0.50 kg
Color
Black
Quantity Unit
NOS
Model No
48899399
Country Of Origin
USA
Brands
Milwaukee
Item Type
Drill Bit
Usage
Construction and Carpentry, Woodworking, Metalworking, DIY Projects, Metal Fabrication, Renewable Energy Installation, Mining and Quarrying
Overall dimensions
25 X 26 X 7CM
EAN
45242344420
Frequently Asked Questions
What is included in the Milwaukee 48899399 Step Drill Bit Set and what tasks is it best for?
The Milwaukee 48899399 Step Drill Bit Set is a 3-piece set with titanium-coated high-speed steel bits. It’s designed for fast, precise drilling through metal, plastic, and wood, making it ideal for plumbing, electrical, and carpentry tasks where you need to create holes that progressively increase in diameter without changing bits.
What materials can this step drill bit set cut through, and what sizes are included?
These bits are made from high-speed steel (HSS) with a titanium coating for durability and heat resistance. The set includes three bits of different sizes, each designed to handle a range of hole diameters in a single drilling operation. The sizes are laser-marked on the bits for quick identification.
How does the titanium coating and HSS composition affect durability and performance?
The titanium coating reduces wear and heat buildup, extending bit life, while the HSS core provides toughness and the ability to cut through metals and other tough materials. Together, they offer longer life and smoother drilling under heavy use.
What is the benefit of the tri-flat shank and laser-etched size markings?
The tri-flat shank helps prevent slipping in the drill chuck, providing a secure grip during use. Laser-etched size markings and embossed identifiers make it easy to read the hole size while drilling, ensuring you select the right size quickly.
How should I use these bits with my drill? Any tips for best results?
Clamp the workpiece securely, choose the appropriate bit size, and set your drill to a steady, moderate speed. Apply steady pressure without forcing the bit, and let the bit do the cutting. For metal drilling, use light lubrication or cutting fluid to reduce heat and extend life. Start with a smaller hole if needed and let the bit gradually increase the hole size.
What safety precautions should I follow when using Milwaukee step drill bits?
Wear eye protection and hearing protection as needed. Secure and support the workpiece to prevent movement. Keep hands away from the rotating bit, avoid overheating, and disconnect the drill when changing bits. Use a properly sized chuck to prevent slippage.
How do these bits compare to other step drill sets on Fepy in terms of durability and value?
Compared with other brands on Fepy such as DeWalt, Bosch, and Irwin, Milwaukee’s HSS with titanium coating offers strong wear resistance and heat tolerance. The 3-piece configuration provides essential hole sizing versatility with a focus on durability, making it a competitive choice for professionals and DIYers looking for solid value.
In what applications are these bits particularly useful?
They’re especially handy for plumbing (enclosures, metal fittings), electrical work (metal boxes, panels), and carpentry where you need quick, clean holes in metal, plastic, or wood without swapping bits frequently.
Are there best practices for maintenance and prolonging the life of the bits?
Wipe bits clean after use to remove debris, lightly oil metal surfaces to prevent corrosion, avoid overheating by using appropriate speeds, and store in the provided case or a dedicated bit set to prevent contact with other tools which could dull the edges.
What should I consider when deciding if this 3-piece set fits my needs?
Consider your typical hole sizes and materials, the compatibility with your drill chuck (tri-flat shanks offer secure grip), and whether you frequently drill metal, plastic, or wood. If you need a compact, durable set for common drilling tasks across multiple materials, this 3-piece Milwaukee set is a good fit.
If I need more sizes, what alternatives should I consider on Fepy?
If you require more hole sizes, you can explore these options on Fepy: DeWalt Step Drill Bit Set 4-Pcs: https://fepy.com/products/dewalt-step-drill-bit-set-4-pcs, Bosch Step Drill Bit Set 5-Pcs: https://fepy.com/products/bosch-step-drill-bit-set-5-pcs, Irwin Step Drill Bit Set 4-Pcs: https://fepy.com/products/irwin-step-drill-bit-set-4-pcs. These offer additional sizes while maintaining similar construction quality.
Frequently Asked Questions
The Milwaukee 48899399 Step Drill Bit Set is a 3-piece set with titanium-coated high-speed steel bits. It’s designed for fast, precise drilling through metal, plastic, and wood, making it ideal for plumbing, electrical, and carpentry tasks where you need to create holes that progressively increase in diameter without changing bits.
These bits are made from high-speed steel (HSS) with a titanium coating for durability and heat resistance. The set includes three bits of different sizes, each designed to handle a range of hole diameters in a single drilling operation. The sizes are laser-marked on the bits for quick identification.
The titanium coating reduces wear and heat buildup, extending bit life, while the HSS core provides toughness and the ability to cut through metals and other tough materials. Together, they offer longer life and smoother drilling under heavy use.
The tri-flat shank helps prevent slipping in the drill chuck, providing a secure grip during use. Laser-etched size markings and embossed identifiers make it easy to read the hole size while drilling, ensuring you select the right size quickly.
Clamp the workpiece securely, choose the appropriate bit size, and set your drill to a steady, moderate speed. Apply steady pressure without forcing the bit, and let the bit do the cutting. For metal drilling, use light lubrication or cutting fluid to reduce heat and extend life. Start with a smaller hole if needed and let the bit gradually increase the hole size.
Wear eye protection and hearing protection as needed. Secure and support the workpiece to prevent movement. Keep hands away from the rotating bit, avoid overheating, and disconnect the drill when changing bits. Use a properly sized chuck to prevent slippage.
Compared with other brands on Fepy such as DeWalt, Bosch, and Irwin, Milwaukee’s HSS with titanium coating offers strong wear resistance and heat tolerance. The 3-piece configuration provides essential hole sizing versatility with a focus on durability, making it a competitive choice for professionals and DIYers looking for solid value.
They’re especially handy for plumbing (enclosures, metal fittings), electrical work (metal boxes, panels), and carpentry where you need quick, clean holes in metal, plastic, or wood without swapping bits frequently.
Wipe bits clean after use to remove debris, lightly oil metal surfaces to prevent corrosion, avoid overheating by using appropriate speeds, and store in the provided case or a dedicated bit set to prevent contact with other tools which could dull the edges.
Consider your typical hole sizes and materials, the compatibility with your drill chuck (tri-flat shanks offer secure grip), and whether you frequently drill metal, plastic, or wood. If you need a compact, durable set for common drilling tasks across multiple materials, this 3-piece Milwaukee set is a good fit.
If you require more hole sizes, you can explore these options on Fepy: DeWalt Step Drill Bit Set 4-Pcs: https://fepy.com/products/dewalt-step-drill-bit-set-4-pcs, Bosch Step Drill Bit Set 5-Pcs: https://fepy.com/products/bosch-step-drill-bit-set-5-pcs, Irwin Step Drill Bit Set 4-Pcs: https://fepy.com/products/irwin-step-drill-bit-set-4-pcs. These offer additional sizes while maintaining similar construction quality.
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Manufacturer Warranty
Official warranty coverage from brand manufacturers
99% Claims resolved
Cash on Delivery
Choose Cash or Card as your payment
AED 100+ Min. order value
Secure Payment
100% secure payment processing
256-bit SSL encryption
Free Delivery
On all orders above AED 200 across UAE
Same Day In Abu Dhabi & Dubai
100% Genuine
Authentic products guaranteed
Authorized Distributor
Free Returns
7-day easy return policy
No questions Asked policy

