A drilling hammer is a short-handled, double-faced hammer weighing 2 to 4 pounds, used primarily for striking chisels, driving masonry nails, and breaking up small sections of concrete or stone. It’s essentially a compact sledgehammer built for controlled, one-handed or close-quarters work where a full-size sledge would be impractical. You’ll also see it called a club hammer or lump hammer.
How It Differs From a Sledgehammer
The key distinction is size and control. A sledgehammer has a long handle (typically 60 to 90 cm) and a heavy head designed to generate maximum force through a wide swing. A drilling hammer flips that equation: its short handle and lighter head let you deliver accurate, repeated blows in tight spaces without overshooting your target. Both tools have two flat striking surfaces made of hardened steel, but the drilling hammer trades raw power for precision.
Think of it this way: if you need to demolish a wall, reach for a sledgehammer. If you need to chip out a single brick or drive a cold chisel along a score line, the drilling hammer is the right tool.
Common Uses
The drilling hammer’s name comes from an older tradition of hand-drilling holes in rock. Before power tools existed, workers would strike a star drill (a chisel with a star-shaped tip) with a small hammer to bore holes into stone for blasting. This technique, called “single jacking,” involved one person holding and rotating the steel drill with one hand while striking it with the hammer in the other. The USDA Forest Service still documents this method for wilderness trail maintenance where power tools aren’t available.
Today, the tool’s applications are broader:
- Striking cold chisels and masonry chisels: The flat face delivers clean hits to chisel heads for cutting brick, scoring concrete, or removing tile.
- Light demolition: Knocking out mortar joints, breaking apart small concrete sections, or removing damaged brickwork.
- Driving stakes and pins: Pounding steel stakes, rebar, or landscape pins into compacted soil or gravel. For half-inch rebar up to 3 feet long, a drilling hammer can set anchors for landscaping timbers or form work faster and with more accuracy than swinging a full sledge overhead.
- Setting stone and pavers: Tapping flagstone, pavers, or retaining wall blocks into position without cracking them.
- Forming and bending: Metalworkers use drilling hammers to shape steel plate or bend rebar at corners.
Weight and Size Options
Most drilling hammers sold for construction and DIY work weigh between 2 and 4 pounds. A 2-pound head is the most popular general-purpose size, suitable for chisel work and light demolition. A 3- or 4-pound version gives you more force for driving stakes or breaking thicker material, but it’s heavier to swing repeatedly.
The handle is typically 10 to 12 inches long, short enough to swing with one hand while your other hand holds a chisel or positions material. This compact size also makes it easy to carry in a tool belt or toss in a bag for jobsite work.
Handle Materials and Comfort
The handle material affects how the tool feels over a long day of work. You’ll find three main options:
- Hickory wood: Traditional, lightweight, and naturally absorbs some vibration. Wood handles can crack or split over time, especially from missed strikes that land on the handle instead of the head.
- Fiberglass: More durable than wood, with built-in vibration dampening. Many fiberglass-handled models include reinforced overstrike protection, a sleeve of extra material below the head that prevents handle damage from off-target hits.
- Composite or bi-material: Higher-end options combine materials to maximize shock absorption. These grips are designed to deaden vibration and reduce hand fatigue during extended use, which matters if you’re driving chisels for hours.
Steel handles exist but are less common on drilling hammers. They’re extremely durable but transmit more vibration into your hand and arm.
Using a Drilling Hammer Safely
Striking hardened steel against hardened steel sends chips flying. Safety glasses are non-negotiable any time you’re hitting a chisel, and work gloves protect your hands from vibration, blisters, and the occasional misplaced swing.
When striking a chisel, grip the hammer near the end of the handle rather than choking up. This gives you a fuller swing arc and lets the weight of the head do most of the work. You don’t need to wind up like you’re swinging a sledge. Short, controlled strokes are more accurate and less tiring. Let the hammer fall into the strike rather than muscling through it.
One thing to watch for over time: the struck end of a chisel can develop a “mushroom,” a flared lip of metal created by repeated impacts. These mushroomed edges can break off and become projectiles. Inspect your chisels regularly and grind down any flared metal before it becomes a hazard. The same applies to the hammer face itself, though hardened steel heads mushroom much more slowly.
Drilling Hammer vs. Hammer Drill
These two names cause constant confusion, but they’re completely different tools. A drilling hammer is a hand tool, a small sledge you swing manually. A hammer drill is a power tool that combines rotary drilling with a rapid percussive action, delivering thousands of impacts per minute to bore through concrete and masonry. The hammer drill’s mechanism pulverizes material while the spinning bit clears debris, letting it cut through brick or concrete far faster than a standard drill.
If you’re mounting shelves in a concrete wall, you want a hammer drill. If you’re chipping out old mortar or driving a chisel to split a paver, you want a drilling hammer.