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Internet # 321182550

Model # 48-22-9320

Store SKU # 1008175250

21 oz. Milled Face Poly Handle Hammer

$30.97
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  • Reinforced fiberglass handle provides durability on the jobsite
  • Precision balanced design delivers control when swinging hammer
  • Magnetic nail set allows you to set nails one-handed
  • View More Details

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Product Details

About This Product

The Milwaukee® 21oz Milled Face Poly/Fiberglass Hammer is designed to have the most durable fiberglass handle for added durability on the jobsite. The 21oz milled face hammer’s reinforced fiberglass handle core provides the highest durability among fiberglass hammers. The fiberglass hammer’s precision balanced design delivers more control when swinging the hammer. The hammer’s magnetic nail set is designed to allow you to set nails one-handed and the anti-ring rip claw minimizes ringing when striking hard objects.

Highlights

  • Reinforced Fiberglass handle
  • Precision Balanced Design
  • Magnetic nail set
  • Asymmetrical Anti-Ring Claw
  • Overmold handle for better control
  • Straight Claw
  • Milled face
  • 14" handle length
  • 21oz Head Weight
  • Limited Lifetime Warranty
  • Shop All Milwaukee Products
  • Return Policy

Product Information

Internet # 321182550

Model # 48-22-9320

Store SKU # 1008175250

Additional Resources

Shop All Milwaukee
From the Manufacturer

Specifications

Dimensions

Handle Length (in.)

15.0 in

Weight of Head (oz.)

21

Details

Color Family

Red

Face Type

Milled Steel

Hammer Type

Framing

Hand Tool Type

Hammer

Handle Material

Fiberglass

Head Material

Steel Head

Returnable

90-Day

Warranty / Certifications

Manufacturer Warranty

Limited Lifetime Warranty

Questions & Answers

why is this so
ByJul 15, 2026
0 Answer | 
Answer This Question

Does anyone else have a problem with it ringing even though it’s supposed to be anti ring?
ByOct 5, 2025
1 Answer | 
Answer This Question

Hi, Wesley. Can you send our team an email at Social.Media@MilwaukeeTool.com?

By|Jun 11, 2026

    (1)

    Why does this have a Prop65 warning? What materials is it made out of?
    ByOct 5, 2025
    0 Answer | 
    Answer This Question

    How much does the hammer weigh?
    ByApr 18, 2025
    1 Answer | 
    Answer This Question

    Hey there! This hammer weighs 1.8lbs.

    By|Jun 11, 2026

      (1)

      Is this a BPA free handle? I just bought a Pittsburgh 24 oz. Fiberglass Framing/Rip Hammer. It has a BPA filled handle.
      ByJul 17, 2024
      0 Answer | 
      Answer This Question

      What kind of steel is this made out of? High Carbon 1060 ?
      ByMay 25, 2024
      1 Answer | 
      Answer This Question

      Hi there! The hammer features a milled steel face and steel handle & head. - Milwaukee Tool Social Team

      By|Jun 11, 2026

        (4)

        If I buy this hammer and miss the nail and mash my thumb will it hurt worst than the more expensive 28 oz. Hammer? Stupid is as Stupid does.
        ByNov 7, 2023
        1 Answer | 
        Answer This Question

        It will only hurt where the protruding parts of the milled face hit.

        By|Mar 27, 2024


          What does the "limited" lifetime warranty on the 48-22-9020 milwaukee hammer cover?
          ByAug 1, 2022
          1 Answer | 
          Answer This Question

          Hello Jeremy- We recommend visiting our Milwaukee Tool website for more information. It will be located under "Support". Thank you-The Social Team

          By|Aug 1, 2022


            Viewing 1-8 of 24

            Customer Reviews

            4.7 out of 5

            • 4.7 out of 1,266 reviews
            • 89% recommend this product
            Filter by:
            Showing 1-10 of 1,266 reviews
            Magnet is a great feature!
            The Milwaukee 20 oz. Smooth Face Hammer has quickly become one of my favorite hammers in my tool collection. The 20 oz. head provides a great balance of power and control, making it effective for everything from framing and general construction to smaller projects that require a little more precision. The handle is comfortable to hold and does a good job reducing vibration, which makes a noticeable difference during extended use. The hammer feels well-balanced in the hand, allowing for accurate strikes without feeling overly heavy or awkward. I also appreciate the smooth face, which helps prevent marring finished surfaces while still delivering plenty of driving power. The build quality is excellent, and it feels like a tool that will hold up to years of jobsite use. Overall, this is a durable, comfortable, and well-designed hammer that performs exactly as expected. Whether you’re a professional or a DIYer, it’s a reliable tool that gets the job done and is well worth having in your toolbox.
            by
            This review is from 20 oz. Smooth Face Hammer
              1 found this review helpful
              Weak hammer
              Second time I used this hammer it the head snapped off….
              by
              Response from Milwaukee ToolMay 22, 2026
              We'd like to learn more about your experience with the 21oz Milled Face Poly/Fiberglass Handle Hammer. Our team will be in touch shortly.
                Complete garbage. Avoid.
                Epoxy that holds handle and head together separated after couple weeks of use.
                by
                Response from Milwaukee ToolApr 27, 2026
                Hello, thank you for taking the time to leave a review on your 21oz Milled Face Poly/Fiberglass Handle Hammer and we are sorry to hear about your experience. We will be reaching out via email to learn more.
                  Excellent purchase. Fast shipping and professional assistance during the purchase process. The hammer fits very well in the hand and is very well made from excellent materials.
                  by
                  Face is soft
                  Bought this hammer three days ago. The hammer face is already marred up. Only used on nails and a few lumber swings
                  by
                  This review is from 20 oz. Smooth Face Hammer
                  Response from Milwaukee ToolJan 8, 2026
                  Thanks for letting us know what is happening with your 20 oz. Smooth Face Hammer, Josh. Could you please message us at Social.Media@MilwaukeeTool.com, so we can take a look and assist you?
                    Great Milwaukee 21 oz. Milled Face Poly Handle Hammer
                    The Milwaukee 21 oz. Milled Face Poly Handle Hammer is a top notch hammer. The milled face is perfect for not allowing the struck nails from slipping as they are struck. The top of the head has a notch with a small magnet to hold nails steady as the hammer strikes the nail home. The handle has a firm non-slip grip and is 14 inches long to allow for a lot of striking power.
                    by
                    • Recommended
                    1 found this review helpful
                    A very nice, comfortable hammer
                    A very nice hammer. It is very comfortable to use even for a full day of use. It has a 21 ounce head with a milled face to reduce slips. The handle is fiberglass and has a rubber coating. It is contoured on the end to reduce hand fatigue. The claw is thin and aids in nail removal. the entire head is coated to hopefully reduce rust over time. All in all a well designed hammer at a nice weight.
                    by
                    • Recommended
                    Excellent Hammer!
                    This is really a great hammer. It is weighted so nicely. Has the power you need, without being unnecessarily heavy. The handle is long, giving the user extra leverage and power. The face of the hammer is textured, keeping you from sliding off nail heads. At the top of the face there is a notch which can be helpful when you "load" a nail for hammering. The claw is sleek and super easy to remove nails.
                    by
                    • Recommended
                    Great Hammer
                    This hammer has great balance and feels sturdy in your hand. The hammer is well balanced and impacts the nail with solid force. There's very little vibration upon impact and the 21 ounce weight is perfect for driving common nails. The hammer has a handy notch with a magnet that holds a nail and allows you to drive the nail with the first strike. This is a great hammer and I fully recommend.
                    by
                    • Recommended
                    1 found this review helpful
                    Its been my go to hammer ever since i bought it in april 2024 nothing wrong at all with this hammer its my first hammer ive actually bought for my use as ive always used my fathers or an on the job hammer. So its a proud momentfor me ive even customized it l. Highly Reccomend it for begginers.
                    by
                    • Verified Purchase
                    1 found this review helpful
                    Showing 1-10 of 1,266 reviews

                    Compare Key Features

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                    Product Snapshot

                    Built for pros, this 21oz hammer with a milled face, magnetic nail set, and durable fiberglass handle ensures precise strikes and lasting performance.
                    Great for carpenters seeking best driving performance with a precision balanced design and shock-absorbing hickory handle.
                    Great for carpenters seeking best driving performance with shock-absorbing hickory handle and magnetic nail set.
                    Built for pros, the Milwaukee 22 oz. framing hammer minimizes vibration with a Shockshield grip and magnetic nail set for one-handed use.

                    Head Weight

                    21 oz
                    19 oz.
                    19 oz.
                    22 oz.

                    Handle Material

                    Fiberglass
                    Wood
                    Wood
                    Steel

                    Vibration Reduction

                    Magnetic Nail Holder

                    Anti-Slip Grip