Browse Categories

Rotary Hammers vs. Hammer Drills: Which Tool is Right for You?

Someone using a Milwaukee rotary hammer to drill through a concrete wall

When it comes to drilling into tough materials like concrete and masonry, choosing the right tool can make a world of difference. Rotary hammers and hammer drills are both designed for this job, but they operate differently and are suited to different tasks. In this guide, we’ll explore what each tool is, how they differ, and how to choose the right one for your needs.

What is a Rotary Hammer?

A rotary hammer is a powerful tool specifically designed for heavy-duty drilling into concrete, stone, and masonry. It combines a hammering action with rotary motion, making it efficient at breaking up and drilling into tough materials. Unlike a regular drill, a rotary hammer doesn't just rotate the drill bit it drives it forward with intense force. This is achieved through a piston system that generates pressure and then pushes the bit into the material.

What are Rotary Hammers used for?

Rotary hammers are used for drilling large holes in concrete and harder materials. They're also used for chiseling tasks and other applications where significant power and force are needed, such as breaking up concrete or removing tile. Given their power, rotary hammers are commonly used in construction and by professionals who need to drill through tough materials regularly.

Someone using a Milwaukee Hammer Drill to drill a hole in a concrete wall

What is a Hammer Drill?

A hammer drill is a versatile tool that combines the rotary action of a standard drill with a hammering action. It's designed to drill into concrete, brick, and other masonry materials, but it's not as powerful as a rotary hammer. The hammering action in a hammer drill is created by two ridged discs that strike against each other, creating a vibration that drives the drill bit forward as it rotates.

What are Hammer Drills used for?

Hammer drills are used for light masonry tasks, such as drilling holes in brick, mortar, or concrete blocks. They work well for occasional use and for smaller holes, typically up to 1/2 inch in diameter. Hammer drills are also a good choice for homeowners and DIYers who need a versatile tool that can handle both wood and masonry drilling without the need for a separate rotary hammer.

A man using a Rotary Hammer to break up a concrete floor

The Differences Between Rotary Hammer vs. Hammer Drill

While both tools are designed to drill into masonry, they differ significantly in terms of power, mechanism, and application.

Power and Mechanism

  • The Rotary Hammer uses a piston mechanism to generate a hammering force, making it much more powerful than a hammer drill. It can drill larger holes and is suitable for heavy-duty tasks.
  • The hammer drill uses ridged discs to create a vibration that drives the bit forward. It is less powerful and relies on the user's pressure to enhance the hammering action. It's ideal for smaller holes and lighter masonry work.

Bit System

  • A Rotary Hammer utilizes SDS-Plus or SDS-Max bits that lock into place without a key. These bits are designed to move independently, enhancing the hammering action.
  • The Hammer Drill uses standard drill bits. These bits are less specialized and can be used with both hammer and regular drills, but they are less effective for heavy-duty tasks.

Application

  • The Rotary Hammer is best suited for tasks that involve drilling large or numerous holes in concrete or masonry. It can also be used for light demolition and chiseling work. 
  • The Hammer Drill on the other hand, is only suitable for occasional masonry drilling, smaller holes, and for users who need a versatile tool that can handle both wood and masonry. 

Versatility

  • A Rotary Hammer offers multiple modes, including rotary-only, hammer-only, and rotary hammer, making it a versatile tool for various applications. 
  • The Hammer Drill offers a drill-only mode and a hammer mode, allowing it to be used for wood, metal, and masonry drilling.

Someone using a Milwaukee Hammer Drill to drill a hole in the wall

How to Choose Between A Rotary Hammer or Hammer Drill

Choosing between a rotary hammer and a hammer drill depends on the nature and scale of your project. Here are some factors to consider:

1. The Type of Material

If you are drilling into hard materials like poured concrete, stone, and dense masonry the Rotary Hammer is the best choice. While the Hammer Drill is suitable for softer masonry materials like brick and mortar, or for light-duty drilling in concrete blocks.

2. Hole Size and Quantity

If you need to drill large holes (over 1/2 inch) or a large number of holes in concrete, a rotary hammer is the more efficient choice. It drills faster and requires less effort from the user. For smaller holes (up to 1/2 inch) and occasional use, a hammer drill is sufficient and more cost-effective.

3. Frequency of Use

The Rotary Hammer is designed for frequent and heavy-duty use, making it a suitable investment for professionals who work with concrete and masonry regularly. The Hammer Drill is perfect for homeowners, DIY enthusiasts, and professionals who only need to drill into masonry occasionally.

4. Budget

The Rotary Hammer is generally more expensive due to its power and versatility. It’s worth the investment if you have regular, heavy-duty masonry work. A Hammer Drill is more affordable and offers great value for those who need a tool for occasional masonry and other drilling tasks.

When it comes to drilling into concrete and masonry, choosing between a rotary hammer and a hammer drill depends on the specific needs of your project. Rotary hammers are the more powerful and efficient choice for heavy-duty tasks, while hammer drills are perfect for light masonry work. By understanding the differences between these tools and considering factors like material type, hole size, and frequency of use, you can select the right tool for the job. If you have any questions or would like to make a purchase, give our sales team a call at 877-446-4352.

Tags

milwaukee midland tool osha welding m18 fuel m18 tools safety ppe wrench gloves fall protection milwaukee battery weld testing power tools wrenches welding gloves safety glasses grinder ladder safety mig welding extension ladder m18 battery milwaukee tools safety helmets abrasives flap discs grinding wheels flap wheels respirators srl self retracting lifeline what is a self retracting lifeline battery generators inverter generators osha standards miller welders clamps saw pip m12 hydraulic cylinders caulk what is caulk impact wrenches flap disc what is a flap disc what is a grinding wheel calibration metabo tools metabo midland metabo angle grinders midland tool supply step ladder ladder miter saw ball peen hammer multimeter pliers what is mig welding saws circular saw blade jobsite box knaack multitool allen wrench ladders hole saw bolting services impact wrench impact driver what is an impact wrench tig welding dewalt vacuum hammer drill sawzall reciprocating saw welding helmet packout personal protective equipment construction supply near me types of abrasives wire brushes what are abrasives how to choose the right abrasive respirator respiratory what is a respirator types of respirator how to choose the right respirator harness lanyard what is a lanyard types of lanyards how do srls work lanyards vs srls how to choose between a lanyard and srl spray paint what is spray paint types of spray paint premium spray paint general purpose spray paint rust restorative paint specialty spray paint how to choose the right spray paint milwaukee cp battery milwaukee xc battery milwaukee hd battery milwaukee forge battery milwaukee battery types how long do milwaukee batteries last drills power drills what is a power drill types of power drills corded drills cordless drills impact drivers rotary hammers drill press right angle drills how to choose the right drill chuck size crimpers crimping crimping tool what is a crimping tool what is a crimping tool used for different types of crimping tools manual crimping tools ratcheting crimpers hydraulic crimping tools battery powered crimpers extension cords electrical electrical cables extension cords and their uses what are extension cords wire gauge cord safety casters caster wheel wheels what are casters types of casters swivel casters locking casters how to choose the right casters generator what is a generator portable generators standby generators choosing the right generator generator maintenance lockout tagout tagout procedures tagout kit loto control of hazardous energy weld on site weld testing mig feeders fume extractors rod ovens tungsten grinder services taps dies tap and die sets what is a tap and die sets what is a tap and die set used for how do you use a tap and die set wood screws screws wood types of wood screws what is a wood screw what are wood screws used for flat head wood screws round head wood screws deck screws brushed brushless brushed motor brushless motor what is a brushed motor what is a brushless motor brushed vs brushless benefits of brushless motors limitations of brushless motors duplex nails nails what are duplex nails what are duplex nails used for construction nails welding cables cables what are welding cables what is a welding cable what are welding cables made of what determines the size of a welding cable heating heaters forced air heaters what is forced air heating how does forced air heating work c clamp what is a cclamp what are c clamps used for how to use a c clamp types of clamps twist bit twist drill bit what is a twist drill bit what are twist drill bits used for how to use a twist drill bit types of twist drill bits saw blades blades what is a saw blade different types of saw blades what is tpi miter saw blades table saw blades circular saw blades reciprocating saw blades band saw blades diamond saw blades strap wrenches what is a strap wrench what is a strap wrench used for how to use a strap wrench rivet busters what is a rivet buster what is a rivet buster used for how does a rivet buster work pneumatic tools air tools tig what are tig welding gloves what are tig welding gloves made of cold weather gloves best cold weather gloves welding stinger stingers electrode holder what is a welding stinger key components of a welding stinger how does a welding stinger work different types of welding stingers lights flood lights what is a flood light why are they called flood lights what are flood lights used for lighting solutions burr burr bits what is a burr bit what is a burr bit used for diamond cut burrs pointed burrs cylindrical burrs ball burrs tree burrs heated hoodie milwaukee heated hoodie m12 battery flap wheel what is a flap wheel what is a flap wheel used for abrasive tool rivet tool milwaukee rivet tool milwaukee m12 rivet tool milwaukee m12 rivet tool kit rivet tool kit 255020 hydraulic cylinders what are hydraulic cylinders hydraulics sealant caulking what is sealant uses of caulk and sealant pneumatic impact wrenches what is a pneumatic impact wrench what is a pneumatic impact wrench used for how does a pneumatic impact wrench work pneumatic impact wrench glasses what are safety glasses how to choose the right safety glasses when should safety glasses be worn why safety glasses are essential fire safety equipment fire safety safety equipment fire extinguisher fire safety cabinets safety cans fire blankets smoke and heat detectors benefits of fire safety equipment choosing the right fire safety equipment flux cored wires welding wire flux cored welding wire what is flux cored welding wire self shielded flux cored wire electric grinder pneumatic grinder what is a pneumatic grinder what is an electric grinder advantages of pneumatic grinders advantages of electric grinders common applications of each grinder grinding wheel differences between flap discs and grinding wheels how to choose the right tool for the job vise vises types of clamps and their uses types of vises and their uses choosing the right clamp or vise tool calibration calibrated what is calibration why calibration matters tools that require calibration how often should tools be calibrated bolting van iso 17025 onsite bolting service mobile calibration corded cordless corded vs cordless what are corded tools what are cordless tools corded tool tips cordless tool tips benefits of cordless tools benefits of corded tools metabo die grinders metabo rotary hammers accessories consumables metabo tools at midland why choose metabo tools industrial tool supplier industrial tools detroit chicago st louis hand tools safety products fasteners welding rod welding rods what is a welding rod different types of welding rods consumable electrodes electrodes what do the numbers on a welding rod mean how to choose the right welding rod diamond blade what is a diamond blade what is a diamond blade used for types of diamond blades how to choose the right diamond blade best practices for using diamond blades cable cutter milwaukee cable cutter what is a cable cutter what is the milwaukee cable cutter used for spray adhesives spray adhesive adhesive what is spray adhesive what is spray adhesive used for how to use spray adhesive what is a step ladder what is a step ladder used for step ladder safety how to use a step ladder compound miter saw standard miter saw what is a miter saw what is a miter saw used for how to use a miter saw types of miter saw wire strippers what is a wire stripper what are wire strippers used for types of wire strippers how to use a wire stripper adjustable wrench what is an adjustable wrench what is an adjustable wrench used for how to use an adjustable wrench hammer ball peen what is a ball peen hammer what is a ball peen hammer used for why is it called a ball peen hammer metalworking tool step drill bit what is a step drill bit what is a step drill bit used for step bit how to use a step drill bit what is a multimeter what is a multimeter used for how to use a multimeter choosing the right multimeter midland tool and supply combination pliers needle nose pliers long nose pliers wire cutters diagonal cutters locking pliers channel lock pliers what is a plier different types of pliers how to choose the right pliers mig what is mig welding used for how to mig weld table saws what is a table saw what is a table saw used for rip cuts mitre cuts crosscuts bevel cuts how to use a table saw threadlocker what is a threadlocker what is a threadlocker used for how does threadlocker work how to apply threadlocker how long does threadlocker take to dry what is an extension ladder what is an extension ladder used for how does an extension ladder work how to use an extension ladder safely combination wrench combination wrench set what is a combination wrench what is a combination wrench used for how to use a combination wrench hammers types of hammers types of hammers and their uses what is a hammer how to use a hammer safely how to maintain a hammer claw hammer sledge hammer mallet dead blow hammer jobox piano box rolling work bench crescent jobox hydraulic pumps hydraulic hand pumps what is a hydraulic hand pump what is a hydraulic hand pump used for how does a hydraulic hand pump work types of hydraulic hand pumps how does a self retracting lifeline work common types of self retracting lifelines how to choose the right self retracting lifeline electrical tape duct tape what is electrical tape what is electrical tape used for is electrical tape heat resistant electrical tape vs duct tape sds sds drill bit sds plus sds max what is an sds drill bit what is an sds drill bit used for different types of sds drill bits how to choose the right sds drill bit slings lifting slings wire rope slings polyester slings nylon slings chain slings what are lifting slings used for different types of slings nut driver nut driver sets what is a nut driver what is a nut driver used for how to use a nut driver socket wrenches ratchet wrenches socket wrenches vs ratchet wrenches what is a socket wrench what is a ratchet wrench how to choose the right wrench for the job construction safety what is construction safety week construction safety week 2025 safety week construction safety week when is construction safety week how to cut pvc pipe pvc pipe what is pvc pipe tips for cutting pvc pipe hacksaw pipe cutters snatch block snatch what is a snatch block what does a snatch block do how to use a snatch block types of caulk silicone caulk latex caulk polyurethane caulk acrylic latex caulk what is caulk used for how long does it take caulk to dry tips for using caulk welding helmets what is a welding helmet how to choose the right welding helmet auto darkening welding helmets shackles what are shackles what are shackles used for how to choose the right shackle bow shackles dee shackles screw pin shackles bolt type shackles round pin shackles milwaukee pipe threader milwaukee cordless pipe threader milwaukee mx fuel pipe threader milwaukee mx fuel what is a pipe threader what is a pipe threader used for manual pipe threaders pipe threader cordless threading machine floor grinder concrete floor grinder husqvarna pg 830 floor grinder for concrete what is a concrete floor grinder how to use a concrete floor grinder what is a concrete floor grinder used for husqvarna floor grinders hex keys allen key what is a hex key what is a hex key used for how to use a hex key band saw portable band saw cordless band saw milwaukee band saw milwaukee portable band saw m18 band saw 272920 what is a band saw how to use a milwaukee portable band saw milwaukee m18 portable band saw mechanical anchors wedge anchors screw anchors sleeve anchors expansion anchors what are mechanical anchors types of mechanical anchors what are mechanical anchors used for milwaukee radio milwaukee jobsite radio milwaukee jobsite speaker milwaukee bluetooth speaker milwaukee m18 jobsite radio milwaukee m18 wireless jobsite radio m18 jobsite radio m18 radio m18 bluetooth speaker t27 flap disc t29 flap disc what is a flap disc used for t27 vs t29 flap discs how to choose the right flap disc impact socket what is an impact socket what is an impact socket used for impact sockets chain hoist lever hoist lever hoist vs chain hoist what is a lever hoist what is a chain hoist how to decide which hoist to use common uses of chain hoists common uses of lever hoists ladder inspection ladder inspection tags osha ladder inspection tig welding gloves mig welding gloves stick welding gloves how to choose the best welding gloves what are welding gloves made of what are welding gloves types of welding gloves adjustable wrenches combination wrenches socket wrench torque wrench box wrenches different types of wrenches what is a wrench what are wrenches used for bimetal hole saws carbide tipped hole saws masonry hole saws diamond grit hole saws how to choose the right hole saw what is a hole saw types of hole saws pry bar what is a pry bar what is a pry bar used for how to use a pry bar flat pry bar wrecking bar what is an inverter generator how to choose the right size inverter generator anti seize anti seize lubricant copperbased anti seize aluminum based abti seize nickel based anti seize what is anti seize when to use anti seize lubricants conduit benders manual conduit benders electric conduit benders hydraulic conduit benders specialty conduit benders how to choose the right conduit bender types of conduit benders what is a conduit bender circular saws what is a circular saw what is a circular saw used for how to use a circular saw cut level ansi cut level cut resistance cut resistant gloves ansi american national standards institute submersible pump what is a submersible pump what is a submersible pump used for how does a submersible pump work tips for buying a submersible pump torque wrenches where to get your torque wrenches calibrated what is a torque wrench what are torque wrenches used for torque wrench calibration concrete saws walk behind concrete saw handheld concrete saws types of concrete saws what is a concrete saw concrete saw uses safety tips for cutting concrete concrete chainsaws wall saws hearing protection earplugs earmuffs what is hearing protection types of hearing protection when is hearing protection required different types of ladders osha regulations osha regulations for ladders the different types of ladders straight ladder step ladders platform ladders rolling ladders fall protection equipment lifelines harnesses lanyards safety nets carabiners roof anchors what is fall protection when is fall protection required types of fall protections pipe beveler ridgid pipe beveler ridgid what is pipe beveling transportable pipe beveler abrasive what is a grinding wheel used for safety tips when using a grinding wheel impact wrench vs impact driver what is an impact driver uses for impact drivers uses for impact wrenches core drill core drills what is a core drill what is a core drill used for how to use a core drill drill bits carbide drill bits twist bits step bits spade bits types of carbide drill bits what are carbide drill bits what are carbide drill bits used for mig vs tig mig vs tig welding what is tig welding mig welding applications tig welding applications differences between mig and tig welding knockout tool milwaukee m18 knockout tool what is a knockout tool what are knockout tools used for why invest in a knockout tool milwaukee m18 how to use an impact wrench what is an impact wrench used for safety tips for using an impact wrench cordless impact wrench jigsaw what is a jigsaw what is a jigsaw used for how to use a jigsaw jigsaw blades milwaukee multi tool milwuakee m18 fuel multi tool milwaukee multi tool kit milwaukee jobsite fan milwaukee m18 fan jobsite fan milwaukee jobsite fan review gas monitor single gas monitors multi gas monitors fixed gas monitors portable gas monitors types of gas monitors what is a gas monitor industrial scientific pipe stand pipe stands folding pipe stands tripod pipe stands roller pipe stands what is a pipe stand how to use a pipe stand different uses for pipe stands dewalt 20v vacuum dewalt vacuum dewalt portable vacuum portable vacuum drain snake cordless drain snake milwaukee m18 drain snake m18 drain snake heat gun milwaukee m18 heat gun milwaukee cordless heat gun rotary hammer rotary hammer uses hammer drill uses hackzall hackzall vs sawzall fish tape milwaukee m18 angler fish tape milwaukee m18 fish tape milwaukee electrical fish tape electric fish tape manual fish tape how to use fish tape what is fish tape die grinder right angle die grinder milwaukee die grinder milwaukee m12 die grinder heated jacket m12 heated jacket milwaukee m12 heated jacket milwaukee heated jacket brad nailer cordless brad nailer dewalt brad nailer 20v max xr battery dcn680d1 oak park stockup repairs laser level milwaukee laser level level 352221 storage cabinets safety kage storage chest tool chests storage solutions angle grinder milwaukee angle grinder cutting grinding sanding buffing sharpening tool lanyard tool tethers tool tethering kits elastic tool lanyards coil tool lanyards retractable tool lanyards bungee tool lanyards adhesives liquid adhesives paste adhesives adhesive tape bandsaw dewalt bandsaw dcs374p2 20v max bandsaw kit milwaukee blower milwaukee m18 blower milwaukee leaf blower blower flame resistant clothing fr clothing black stallion grease gun grease gun kit milwaukee m18 grease gun welding jacket welding sleeves welding pants welding apparel welding safety milwaukee sawzall drill impact drill electrician screwdrivers voltage tester electricians toolkit tool bag tool buckets milwaukee tool backpack klein tool klein tool bags milwaukee tool bags milwaukee hammer drill milwaukee air compressor air compressor milwaukee battery powered air compressor 284020 milwaukee vacuums milwaukee m18 cordless vacuum milwaukee m18 packout vacuum milwaukee m18 dual battery vacuum milwaukee m18 red lithium battery milwaukee m18 battery protective industrial products safety gloves safety vests press tool pro press tool milwaukee plumbing tools milwaukee press tools milwaukee charger milwaukee packout milwaukee tool box tool box rolling tool box screwdriver phillips screwdriver flathead screwdriver square screwdriver torx screwdriver hex screwdriver screwdriver set different types of screwdrivers what is a screwdriver heat stress water fans hard hat shades sunscreen dehydration heat exhaustion evaporative cooling towels enerpac lift arc welding gas welding welding curtains milwaukee tool milwaukee tool kit be the match nmdp donor hard hat hard hats safety helmet construction lighting attachments visors sun shields face shields ear protection hard hat accessories construction helmet beam clamps beam clamp heavy equipment how to use beam clamps ladder safety month platform ladder louisville ladder ladder accessories trash pump water pump submersible pumps electric pump superior tool rental magnetic drills miwaukee tools drilling mag drills angle grinders strut shear strut shear kit tool bundles free tools new customer promotion free battery m18 tools construction lights winter productivity led work lights job site lighting milwaukee m18 tools energy efficiency portable lighting solutions dual power lighting construction site safety work hour extension milwaukee cordless tools tools milwaukee milwaukee heated jackets industrial supply near me tools dewalt dwalt tools tool box milwaukee milwaukee heated gloves m18 milwaukee ready for work ready to work work ready program and industrial supply near me tradein promotion cordless tools milwaukee cordless tool tradein professional tools tool discounts milwaukee discounts tool upgrade milwaukee m18 series tool savings milwaukee tradein construction tools workshop essentials job site gear tool deals milwaukee accessories tool tradeup
Show All

Posts

2026 2025
December November October September August July June May April March February January
2024
December November October September August July June May April March February January
2023