Can power tools cause hand-arm vibration syndrome, and what reduces the risk?
Yes. Regular use of demolition breakers, jackhammers, angle grinders, rotary hammers, impact wrenches, concrete vibrators and plate compactors can, over months and years, cause hand-arm vibration syndrome: tingling, numbness, white fingers in the cold, loss of grip and pain that can become permanent. The risk rises with the tool's vibration level and how long the trigger is held each day. What reduces it is choosing a lower-vibration tool or a mechanical alternative, keeping bits and blades sharp, limiting trigger time and rotating the job, and keeping hands warm. Anti-vibration gloves are not a reliable control, and early symptoms should be reported.
Last reviewed September 2026 · Applies to the Manual Handling Training for Construction and Trades Workers course.
What hand-arm vibration syndrome is
Hand-arm vibration syndrome, often shortened to HAVS, is damage to the blood vessels, nerves, muscles and joints of the hands and arms caused by vibration transmitted through the hands from powered tools. The vascular part is what used to be called vibration white finger: the fingertips blanch white in the cold and then ache and throb as blood returns. The nerve damage shows as tingling, numbness and a loss of fine touch, so that picking up a screw or doing up a button becomes difficult. Grip strength falls, and pain in the hands and forearms can wake you at night.
The condition develops gradually and usually goes unnoticed until it is well established. Early symptoms come and go, especially after a long day on a breaker, and it is easy to put them down to a hard day. Once the damage is advanced it is generally permanent, and the effect on a tradesperson who relies on their hands is obvious. Cold work, smoking and a tight grip all make it worse.
Hand-arm vibration is separate from whole-body vibration, which comes through the seat or the feet from plant, compactors and vehicles and affects the back. Both are recognised manual task risk factors under Australian work health and safety regulations, and both should be assessed like posture, force and repetition.
What decides your exposure
Two things drive the vibration dose: how strongly the tool vibrates in your hands and how long you hold the trigger over a day. Manufacturers publish a vibration figure for each tool, but it is measured in laboratory conditions, and vibration in real use on hard concrete with a worn bit is often well above it. Trigger time is the quantity that matters and it is much less than the time the tool is in your hands; a demolition labourer might spend an eight-hour shift on a breaker and hold the trigger for two or three of those hours.
Everything that increases how hard the tool has to work increases your dose. Blunt chisels, worn grinding discs, drills forced into rebar, and tools that are poorly maintained or the wrong size for the job all vibrate more. So does gripping harder than the job needs, which is what most people do when a tool is heavy, cold or awkward. Cold conditions reduce blood flow to the fingers and make the same exposure more damaging.
Australia does not set a numeric vibration exposure limit in the work health and safety regulations, but Safe Work Australia guidance expects employers to assess exposure, reduce it so far as is reasonably practicable and keep it under review. Exposure adds up across every tool in the day, and across the months and years of a career.
Controls that work, in order
The hierarchy of controls applies to vibration exactly as it does to a heavy lift. Elimination comes first: a breaker attachment on an excavator or skid steer does the demolition instead of a hand-held breaker, a concrete saw with a track replaces hours of grinding, and slabs and penetrations designed in advance avoid the breaking altogether. Substitution is next: a lower-vibration model of the same tool, a rig-mounted core drill instead of a hand-held one, chemical anchors that need fewer or smaller holes, and cordless tools with anti-vibration handles where they will do the job.
Engineering and maintenance controls are the ones a crew can act on every day: sharp bits, chisels and blades, discs replaced when worn, tools serviced to schedule, tool balancers and supports for anything used overhead, and the right size of tool for the job so that you are not forcing it. Administrative controls then limit the dose that remains — trigger-time limits written into the SWMS or safe work procedure, rotation between workers, breaks away from the tool, and planning cold-weather breaking for the warmer part of the day.
Anti-vibration gloves sit at the very bottom. They keep hands warm and dry, which helps, but their effect on the vibration that reaches your hands is small, inconsistent and in some frequency ranges non-existent. Treat them as warmth, not as a control, and never as a reason to extend trigger time.
- Eliminate: machine-mounted breakers, track saws, penetrations designed in rather than broken out
- Substitute: lower-vibration tools, rig-mounted drilling, chemical anchors, cordless with anti-vibration handles
- Engineering: sharp bits and blades, scheduled servicing, tool balancers, correct tool size
- Administrative: trigger-time limits, rotation, breaks, warm-up periods in cold weather
- Gloves: warmth and grip only; not a vibration control
Reporting symptoms, what this course covers and where the employer's duty starts
Report tingling, numbness, white fingers or loss of grip the first time you notice them, not after the job is finished. Early reporting lets your employer review tool selection and trigger time before the damage is permanent, and it is exactly the kind of symptom report that the regulations expect to trigger a review of controls. A doctor can assess the stage of the condition and advise on whether continued exposure is safe for you.
Module 3, Identifying Hazardous Manual Tasks, treats hand-arm vibration as a risk factor alongside force and posture and covers the early signs. Module 6, Materials, Tools and Site Work, applies the hierarchy of controls to breakers, grinders and rotary hammers, and Module 8, Reporting, Incidents and Ongoing Safety, covers how to report symptoms on a multi-employer site and what should happen next.
Your employer's duty is to assess vibration exposure on their jobs, provide lower-vibration tools and mechanical alternatives where reasonably practicable, maintain the tools, set and enforce trigger-time limits, and act on reports. This course helps you recognise the risk and the symptoms; it cannot buy the tools or write the roster.
This course is non-accredited online workplace training that issues a Certificate of Completion. It is not a White Card, not a high risk work licence and not the HLTWHS005 unit, and it does not provide a Statement of Attainment. Your employer's site induction, SWMS briefings and practical instruction on the aids and plant you will actually use always take precedence over a general course.
Common questions
Sources
- Safe Work Australia — Model Code of Practice: Hazardous manual tasks — The national code the state and territory regulators adopt or mirror.
- Safe Work Australia — Lifting, pushing and pulling (manual tasks)
- Safe Work Australia — Construction work Code of Practice
General information about Australian work health and safety duties, not legal advice. Your employer’s procedures and the regulator in your state take precedence.
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