What Is The Purpose Of A Ball Peen Hammer? Uses Explained

What Is The Purpose Of A Ball Peen Hammer

The ball peen hammer is a stalwart companion for those working with metal. For generations, blacksmiths would not make do without it; neither auto body men, nor any other metal fabricators.

The ball peen hammer has a unique shape and size of its peening end, which is also spherical.

 The flat face also allows the ball-peen to be used both for precision work on one side (/on top) May or Not sporting marks from Blocked-in Chisel cuts he does have clear examples shot either

Both with pretty significant detailing that should still give good results over this smaller part During operation time (investment can matter). 

You could save yourself some time by early on learning the when and how of using this essential tool, especially if you’re a beginner at Sheet metal fabrication. Read on to understand why metalworkers all overvalue the ball peen hammer.

An Overview of the Ball Peen Hammer

The dick part in the hammer is called the peen — that’s the rounded, domed ends of some hammers. Ball peen hammers are one example that has a ball-like peening end, and the other side is flat.

 The curve fits the leg or This edge Round, while this face is ideal for punching chisels. The average weight of a ball peen hammer ranges from five 5/10 an ounce to as much as up into pounds.

The size of a hammer is determined in 16ths with the 3-20 oz being rounder face hammers and that of a claw designed to pry erect nails from lumber. The primary parts include:

• Peening End – The rounded end is used for shaping metal. It is typically 1/4 the hammer’s face width.
• Flat Face – The flat end is used for driving tools and hammering welds/rivets. It has a beveled edge.
• Handle – Usually a wooden handle that absorbs shock and provides grip.
• Head – A steel head that is wedge-shaped and tapered.

Why Use a Ball Peen Hammer?

Ball peen hammers are specially designed for metalworking tasks where control and precision are needed. Here are some of their key uses:

Shaping and Forming

The smooth, rounded peening end allows for gently curving metal into unique shapes. It can also correct minor warping in sheet metal or smooth dents by hammering from the inside out.

Riveting

The ball end is ideal for “peening” the ends of rivets. This flares the rivets out and locks them in place to create a tight seal.

Stretching and Indenting

Light taps from the ball end will gradually stretch and shape sheet metal. It also makes neat indentations for marking drill locations.

Driving Out Pins

The ball tip can be used to drive pins out of parts during machinery repair. Its shape prevents damage.

Striking Other Tools

The flat face provides control when hitting chisels, punches, and specialty forming tools to cut or shape metal.

Smoothing Welds

After welding, the flat face can help blend and fade weld seams. The ball smoothes sharp edges.

Proper Hammering Technique

Using proper form when swinging your ball peen hammer takes practice. Here are some tips:

• Stand balanced with your feet shoulder-width apart. Hold the hammer near the end of the handle.
• Keep your elbow close to your body when swinging. Use your shoulder for power.
• Let the hammer do the work. Swing smoothly without muscling the blow.
• Strike the metal flush and evenly. Avoid glancing blows.
• Follow through completely after striking. This transfers full energy.
• Strike metal at 90 degrees or slightly off-center to avoid splintering.
• Use light taps on annealed or thin metal. Start gently and increase force as needed.

Ball Peen Hammer Uses by Industry

Ball peen hammers are common in these metalworking trades:

• Blacksmithing – Shaping hot iron into tools, decor, and more.
• Auto Body Work – Smoothing dents, shaping custom panels, blending welds.
• Jewelry Making – Forming delicate shapes in soft precious metals.
• Machining – Fitting parts, stretching metal, driving out pins during repair.
• Construction – Installing metal roofs, modifying steel frames, securing rivets.
• Plumbing – Flaring copper tubing, securing pipe fittings, adjusting fixtures.
• Sculpting – Shaping thick steel into artistic forms.

Choosing the Right Size Ball Peen Hammer

Ball peen hammer weights range from 4 oz to over 2 lbs. Selecting the right size depends on your needs:

• 4-12 oz – Best for detail work like jewelry, small parts, and light metal.
• 12-24 oz – A general size for most hobbyists and home shops. Good all-purpose weight.
• 24-32 oz – Provides the most striking force for heavy peening, forming, and shaping tasks.
• 32 oz + – Extra large ball peen hammers used by blacksmiths and in industrial settings.

Try out a few sizes to see what feels best before committing to just one hammer. You may find that different weights suit different projects.

Maintaining Your Ball Peen Hammer

Like any frequently used tool, ball peen hammers require proper care and maintenance:

• Clean the head occasionally with a wire brush to remove residue.
• Oil the wooden handle to prevent splitting and cracking over time.
• Check that the hammerhead is securely wedged to the handle. Refasten if loose.
• Replace severely mushroomed faces – these can splinter and cause injury.
• Consider covering the hammer face with a striking plate to prevent marring.

Alternatives and Variations

While the classic ball peen is a must-have, here are some other types you may want to add to your metal shop:

• Cross Peen – One round and one chisel peening end. Combines ball peen with chisel functions.
• Straight Peen – Two flat wedge-shaped ends. The most chisel-like peen hammer.
• Soft-faced – Has a ball end made of brass, plastic, or urethane to avoid marring metal.
• Dead blow – Filled with a shot to prevent rebound when striking. Reduces marring.

An Essential in Every Metalworker’s Toolbox

Whether you’re an experienced blacksmith or just getting started shaping metal, a quality ball peen hammer should be one of your first tool investments.

With practice, you’ll be able to use the unique dual-faced head to carry out a wide range of metal forming, riveting, and finishing tasks.

Let this tried and true metalworking hammer become an extension of your hand as you discover all the possibilities of shaping metal. Your latest project is just a few swings of the ball away!