Skip to content
  • 🚚 Free shipping over $25 🚚
  • 🚚 Free shipping over $25 🚚
Tool Sales ShopTool Sales Shop
    • 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
  • Test & Measures
    • Test & Measures Accessories
    • Electrical Meters
    • Clamp Meters
    • Laser Measurement
    • Temp Meters
    • Fork Meters
  • Hand Tools
    • Sockets
    • Wrenches
    • Cutting Tools
    • Hammers/Pry Bars
    • Screwdrivers Hand Tools
    • Pliers/Crimpers Hand Tools
    • Tape Measures
    • Nut Drivers Hand Tools
    • Levels/Chalk 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
Home / Hand Tools / Sockets
Sale!
Milwaukee 45-34-2121 1/2 Drive 21mm Deep Socket

Milwaukee 45-34-2121 1/2 Drive 21mm Deep Socket

$14.49 Original price was: $14.49.$10.14Current price is: $10.14.

Buy Now
SKU: Z3JLY 225963427 Categories: Hand Tools, Sockets
  • Safeguard Your Shopping Experience
  • 7 Days of Hassle-Free Returns
  • Satisfaction Guaranteed
  • Service that stands out, online and always timely.
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
  • Test & Measures
    • Clamp Meters
    • Electrical Meters
    • Fork Meters
    • Laser Measurement
    • Temp Meters
    • Test & Measures Accessories
  • Uncategorized
  • Description
  • Reviews (0)

Product

Milwaukee 1/2 Drive 21mm Deep Socket

Model Number: 45-34-2121

Our 1/2 in. Drive 6-Point Sockets with FOUR FLAT Sides are designed from the ground up to be part of the most versatile socket family. Milwaukee sockets feature an innovative design with four parallel flat sides, which deter rolling and are wrench-compatible. The socket sizes are stamped into the flats providing you with improved, easy-to-read visibility. These deep and standard socket sizes have optimized geometry to reduce bolt rounding and stripping. We back all our sockets with a lifetime guarantee.

Features:

  • FOUR FLAT Sides deter rolling
  • Wrench-ready FOUR FLAT sides
  • Stamped Sizes for Better Visibility
  • Chrome Finish
  • Optimized Geometry to prevent rounding
  • 6 Point Socket
  • Corrosion Resistant
  • Deep Well Depth Socket
  • Lifetime Guarantee

Specifications:

  • Classification No
  • Standard Standard
  • Socket Depth Deep
  • Size 21mm
  • Length 1.09448818897638 in
  • Weight 0.4 lb
  • Height 3.07086614173228 in
  • Width 1.09448818897638 in
  • Depth Deep Socket
  • Material Composition Chrome Vanadium Steel
  • Material Application Fastening
  • Drive Size 1/2 in

Includes:

  • (1) 1/2 in. Drive 21mm Deep Socket(45-34-2121)

Reviews

There are no reviews yet.

Be the first to review “Milwaukee 45-34-2121 1/2 Drive 21mm Deep Socket” Cancel reply

Related products

Sale!
Milwaukee 49-66-6742 Impact Duty 1/4 - 1/2 Drive Adapter Set
Quick View

Hand Tools

Milwaukee 49-66-6742 Impact Duty 1/4 – 1/2 Drive Adapter Set

$34.99 Original price was: $34.99.$24.49Current price is: $24.49.
Sale!
Milwaukee 45-34-2130 1/2 Drive 30mm Deep Socket
Quick View

Hand Tools

Milwaukee 45-34-2130 1/2 Drive 30mm Deep Socket

$18.49 Original price was: $18.49.$12.94Current price is: $12.94.
Sale!
Milwaukee 43-24-9104 1/2 Drive 5 In. Extension
Quick View

Hand Tools

Milwaukee 43-24-9104 1/2 Drive 5 In. Extension

$12.00 Original price was: $12.00.$8.40Current price is: $8.40.
Sale!
Milwaukee 49-66-6353 SHOCKWAVE Impact Duty 3/4 Drive 1-7/8 Deep 6 Point Socket
Quick View

Hand Tools

Milwaukee 49-66-6353 SHOCKWAVE Impact Duty 3/4 Drive 1-7/8 Deep 6 Point Socket

$45.69 Original price was: $45.69.$31.98Current price is: $31.98.
Sale!
Milwaukee 49-66-6121 SHOCKWAVE Impact Duty 3/8 Drive 1/2 In. Deep 6 Point Socket
Quick View

Hand Tools

Milwaukee 49-66-6121 SHOCKWAVE Impact Duty 3/8 Drive 1/2 In. Deep 6 Point Socket

$12.00 Original price was: $12.00.$8.40Current price is: $8.40.
Sale!
Milwaukee 45-96-9524 24MM Combination Wrench
Quick View

Hand Tools

Milwaukee 45-96-9524 24MM Combination Wrench

$25.99 Original price was: $25.99.$18.19Current price is: $18.19.
Sale!
Milwaukee 48-22-9519 19oz Smooth Face Hickory Framing Hammer
Quick View

Hammers/Pry Bars

Milwaukee 48-22-9519 19oz Smooth Face Hickory Framing Hammer

$24.97 Original price was: $24.97.$17.48Current price is: $17.48.
Sale!
Milwaukee 49-66-6355 SHOCKWAVE Impact Duty 3/4 Drive 2 Deep 6 Point Socket
Quick View

Hand Tools

Milwaukee 49-66-6355 SHOCKWAVE Impact Duty 3/4 Drive 2 Deep 6 Point Socket

$45.69 Original price was: $45.69.$31.98Current price is: $31.98.
Products
  • Milwaukee 48-20-5430 3-9/16 In. X 22 In. One Piece SDS-MAX Core Bit Milwaukee 48-20-5430 3-9/16 In. X 22 In. One Piece SDS-MAX Core Bit $150.99 Original price was: $150.99.$98.99Current price is: $98.99.
  • Milwaukee 49-66-5151 Shockwave Linemans 3/8 Drive 5/16 - 8mm Hex Bit Socket Milwaukee 49-66-5151 Shockwave Linemans 3/8 Drive 5/16 - 8mm Hex Bit Socket $12.00 Original price was: $12.00.$8.40Current price is: $8.40.
LEGAL
  • Privacy Policy
  • Shipping & Returns
  • FAQ
  • Returns & Exchanges
  • Term and Conditions
CUSTOMER SERVICE
  • My account
  • Delivery
  • Payment Method
  • Contact Us
  • About Us
Signup for Newsletter

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

    Copyright 2025 © www.salestoolsus.com
    • Other Products
      • Safety Equipment
      • Milwaukee Gear
      • Vacuums
      • Gloves
      • Markers
      • Quick Connect System
      • Job Site Radios
      • Hoist & Slings
      • Promo
    • Test & Measures
      • Test & Measures Accessories
      • Electrical Meters
      • Clamp Meters
      • Laser Measurement
      • Temp Meters
      • Fork Meters
    • Hand Tools
      • Sockets
      • Wrenches
      • Cutting Tools
      • Hammers/Pry Bars
      • Screwdrivers Hand Tools
      • Pliers/Crimpers Hand Tools
      • Tape Measures
      • Nut Drivers Hand Tools
      • Levels/Chalk 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
    • 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.