Skip to content
  • 💰 Get the latest and save with our big sale! 💰
  • 💰 Get the latest and save with our big sale! 💰
GREATLAKESPOWERTOOLS SalesGREATLAKESPOWERTOOLS Sales
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

  • Other Products
    • Safety Equipment
    • Milwaukee Gear
    • Vacuums
    • Gloves
    • Markers
    • Quick Connect System
    • Job Site Radios
    • Hoist & Slings
    • Promo
  • Hand Tools
    • Sockets
    • Wrenches
    • Cutting Tools
    • Hammers/Pry Bars
    • Pliers/Crimpers Hand Tools
    • Screwdrivers Hand Tools
    • Tape Measures
    • Levels/Chalk Tools
    • Nut Drivers Hand Tools
    • Fish Tape / Stick
    • Snips
    • Clamps
    • Hand Saws
    • Picks
    • Conduit Benders
  • Power Tools
    • Cordless Power Tools
    • Corded Tools
    • Lights
  • Accessories
    • Concrete Bits
    • Bit Tips
    • Drill Bits
    • Saw Blades
    • Annular
    • Hole Saws
    • Abrasives
    • Multi-Tool Accessories
    • Steel Cutters
    • Adapters
    • Arbors
    • Linemans Impact Augers
    • Bell Hanger
    • Batteries & Chargers
    • Nut Driver Accessories
  • Featured Products
 

Milwaukee 48-89-9284 Milwaukee #4 COBALT Step Drill Bit

Home / Accessories / Step Bits
  • Milwaukee 48-89-9289 Milwaukee #9 COBALT Step Drill Bit -GREATLAKESPOWERTOOLS Sales 48 89 9289 75357.1660247219
  • Milwaukee 49-22-5604 38PC SAE Tap And Die PACKOUT -GREATLAKESPOWERTOOLS Sales 49 22 5604 55482.1701974929
Sale!
Milwaukee 48-89-9284 Milwaukee #4 COBALT Step Drill Bit

$77.97 Original price was: $77.97.$54.58Current price is: $54.58.

Buy Now
SKU: Z3JLY 568555167 Categories: Accessories, Step Bits
  • Satisfaction Guaranteed
  • Get Quality, Get More
  • Free Shipping over $25
  • Shop with Confidence
Browse
  • Accessories
    • Abrasives
    • Adapters
    • Annular
    • Arbors
    • Batteries & Chargers
    • Bell Hanger
    • Bit Tips
    • Brad Point Bits
    • Concrete Bits
    • Drill Bits
    • Flat Boring Bits
    • Hole Saws
    • Linemans Impact Augers
    • Multi-Tool Accessories
    • Nut Driver Accessories
    • Polishing
    • Saw Blades
    • Sockets & Accessoires
    • Steel Cutters
    • Step Bits
    • Taps and Dies
    • Tool Belts & Bags
  • Hand Tools
    • Clamps
    • Conduit Benders
    • Cutting Tools
    • Fish Tape / Stick
    • Hammers/Pry Bars
    • Hand Saws
    • Levels/Chalk Tools
    • Nut Drivers Hand Tools
    • Picks
    • Pliers/Crimpers Hand Tools
    • Screwdrivers Hand Tools
    • Snips
    • Sockets
    • Tape Measures
    • TRAPSNAKE
    • Wrenches
  • Other Products
    • Gloves
    • Hoist & Slings
    • Job Site Radios
    • Markers
    • Milwaukee Gear
    • Promo
    • Quick Connect System
    • Safety Equipment
    • Vacuums
  • Power Tools
    • Corded Tools
    • Cordless Power Tools
    • Lights
  • Uncategorized
  • Description
  • Reviews (0)

Product

Milwaukee Milwaukee #4 COBALT Step Drill Bit

Model Number: 48-89-9284

Our Cobalt Step Drill Bits are engineered to deliver up to 15X the life in stainless compared to current solutions and up to 1000 holes in mild steel. The Cobalt Step Drill Bits are recommended up to 14ga. The elongated dual-flute design also offers you the best heat management combined with the smaller steps for smoothest drilling experience and a Rapid Strike tip that allows for 2X faster starts in stainless. Made in the USA with global materials, these step bits have best-in-class performance in cordless drills used on low-speed in stainless steel and high speed for mild steel.

Features:

  • Up to 15X Life in Stainless Steel and Over 1000 Holes in Mild Steel
  • Up to 2x Faster with Rapid Strike Tip
  • Elongated dual-flute for best heat management
  • Smaller steps for a smoothest drilling experience
  • The Rapid Strike Tip provides fast and accurate starts
  • Optimized for use in a cordless drill
  • Made in the USA with global materials
  • Laser-engraved reference marks: Easily stop on any hole size
  • 3-Flat secure-grip shanks reduce bit slippage in the chuck

Specifications:

  • Size #4 (3/16 in. – 7/8 in.)

Includes:

  • (1) Milwaukee #4 COBALT STEP DRILL BIT(48-89-9284)

Reviews

There are no reviews yet.

Be the first to review “Milwaukee 48-89-9284 Milwaukee #4 COBALT Step Drill Bit” Cancel reply

Related products

Sale!
Milwaukee 49-59-0014 Retractable Pilot Pin 2 In. CTC Annular Cutters
Quick View

Accessories

Milwaukee 49-59-0014 Retractable Pilot Pin 2 In. CTC Annular Cutters

$24.99 Original price was: $24.99.$17.49Current price is: $17.49.
Sale!
Milwaukee 48-59-1200 M18 REDLITHIUM HIGH OUTPUT HD12.0 Battery Pack W/ Charger
Quick View

Accessories

Milwaukee 48-59-1200 M18 REDLITHIUM HIGH OUTPUT HD12.0 Battery Pack W/ Charger

$299.00 Original price was: $299.00.$95.99Current price is: $95.99.
Sale!
Milwaukee 48-89-2736 15/32 In. Thunderbolt Black Oxide Drill Bit
Quick View

Accessories

Milwaukee 48-89-2736 15/32 In. Thunderbolt Black Oxide Drill Bit

$12.00 Original price was: $12.00.$8.40Current price is: $8.40.
Sale!
Milwaukee 48-89-2328 31/63 In. COBALT RED HELIX
Quick View

Accessories

Milwaukee 48-89-2328 31/63 In. COBALT RED HELIX

$14.99 Original price was: $14.99.$10.49Current price is: $10.49.
Sale!
Milwaukee 48-20-7266 1-1/4 In. X 18 In. MX4 SDS+ Carbide Drill Bit
Quick View

Accessories

Milwaukee 48-20-7266 1-1/4 In. X 18 In. MX4 SDS+ Carbide Drill Bit

$60.99 Original price was: $60.99.$42.69Current price is: $42.69.
Sale!
Milwaukee 48-20-6150 SDS+ Thin Wall Center Pin
Quick View

Accessories

Milwaukee 48-20-6150 SDS+ Thin Wall Center Pin

$12.99 Original price was: $12.99.$9.09Current price is: $9.09.
Sale!
Milwaukee 48-13-0870 7/8 In. X 6-1/2 In. Auger Bit
Quick View

Accessories

Milwaukee 48-13-0870 7/8 In. X 6-1/2 In. Auger Bit

$16.99 Original price was: $16.99.$11.89Current price is: $11.89.
Sale!
Milwaukee 49-59-2200 2 In. X 2 In. Annular Cutter
Quick View

Accessories

Milwaukee 49-59-2200 2 In. X 2 In. Annular Cutter

$109.99 Original price was: $109.99.$76.99Current price is: $76.99.
MY ACCOUNT
  • Cart
  • Checkout
  • My account
  • Wishlist
ABOUT US
  • About Us
  • FAQ
  • Returns & Exchanges
  • Delivery
  • Contact Us
LEGAL
  • Privacy Policy
  • Payment Method
  • Shipping & Returns
  • Term and Conditions
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Copyright 2026 © www.practicaltoolus.com
    • Other Products
      • Safety Equipment
      • Milwaukee Gear
      • Vacuums
      • Gloves
      • Markers
      • Quick Connect System
      • Job Site Radios
      • Hoist & Slings
      • Promo
    • Hand Tools
      • Sockets
      • Wrenches
      • Cutting Tools
      • Hammers/Pry Bars
      • Pliers/Crimpers Hand Tools
      • Screwdrivers Hand Tools
      • Tape Measures
      • Levels/Chalk Tools
      • Nut Drivers Hand Tools
      • Fish Tape / Stick
      • Snips
      • Clamps
      • Hand Saws
      • Picks
      • Conduit Benders
    • Power Tools
      • Cordless Power Tools
      • Corded Tools
      • Lights
    • Accessories
      • Concrete Bits
      • Bit Tips
      • Drill Bits
      • Saw Blades
      • Annular
      • Hole Saws
      • Abrasives
      • Multi-Tool Accessories
      • Steel Cutters
      • Adapters
      • Arbors
      • Linemans Impact Augers
      • Bell Hanger
      • Batteries & Chargers
      • Nut Driver Accessories
    • Featured Products
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.