
9-inch grinders are powerful tools, but their misuse can lead to severe consequences, including amputations, severed tendons, serious lacerations, deep cuts, and even fatalities. Due to the high proportion of serious injuries and several heart-wrenching incidents, 9-inch grinders have been banned by many companies in Australia, particularly in high-risk sectors like construction and mining. This decision is made to ensure the safety of workers and to avoid the heavy fines that come with non-compliance.
| Characteristics | Values |
|---|---|
| Reason for ban | Safety concerns |
| Companies that have banned 9-inch grinders | Programmed, LWB Consulting Pty Ltd, Proline Steel Pty Ltd, Roy Hill Holdings Pty Ltd, OneSteel, and various construction sites |
| Incidents | Fatalities, amputations, severed tendons, removal of fingers, serious lacerations, face/eye injuries, deep cuts on the face and legs, electric shock |
| Safety measures | Use of grinder guards, correct disc and spindle flange, appropriate speed in RPM, two-handed grip, use of grinding disc for grinding, disposal of damaged discs, risk assessments, additional controls, training |
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What You'll Learn

Safety measures and equipment checks
The use of 9-inch grinders has been restricted by several companies in Western Australia due to the significant safety risks associated with them. These tools have been involved in numerous serious incidents, including fatalities, leading some businesses, particularly in high-risk sectors like construction and mining, to prohibit their use altogether. Common injuries include amputations, severed tendons, serious lacerations, removal of fingers, and face/eye injuries from shattered cutting and grinding discs.
To ensure the safe use of angle grinders in the workplace, the following safety measures and equipment checks should be implemented:
- Complete a risk assessment before commencing work and consider safer tool options. 9-inch grinders should not be used for cutting and should only be used in rare and exceptional circumstances when approved by the relevant National or Group HSEQ Manager.
- Ensure employees are provided with training and are deemed competent before using high-powered equipment. This includes understanding the importance of using the correct type of disc for the intended purpose and never using damaged discs.
- Conduct regular site inspections, tool audits, and worksite reviews to verify that expected controls are in place and that tools are fit for purpose. Ensure that safety features such as guards are in place and functioning properly.
- Ensure that workers use personal protective equipment (PPE) such as gloves, eye and face protection, earplugs, and respiratory protection when using grinders.
- Adhere to manufacturer instructions for disc speed and tightening procedures. Hold the grinder with both hands and use the side handle to maintain a full grip.
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Serious injuries and fatalities
Several companies in Western Australia have restricted the use of 9-inch grinders due to safety concerns. The misuse of angle grinders can lead to severe consequences, including life-threatening injuries and fatalities.
There have been several reported incidents involving 9-inch grinders that have resulted in serious injuries or fatalities. In one incident, a worker died due to improper training and the removal of the grinder's guard. In another case, an apprentice sustained serious injuries from a grinder kickback caused by a missing guard. A fatality also occurred when an incorrect disc was used, resulting in a $200,000 fine for the company.
Additionally, there have been reports of amputations, severed tendons, removal of fingers, and deep cuts on the face and legs caused by shattered cutting and grinding discs. One worker in Queensland, Australia, suffered deep cuts to the chest from shattered blades, while another worker died from an electric shock in 2015 while using a 9-inch grinder.
To prevent such incidents, it is crucial to follow safety regulations and implement proper training and supervision. This includes ensuring that safety features like guards are in place and that operators are provided with adequate training before using high-powered equipment. Some companies have banned 9-inch grinders altogether, while others require risk assessments and approval from relevant managers for their use.
It is important to prioritize the safety of workers and avoid the tragic outcomes and heavy fines associated with angle grinder accidents. By implementing effective risk management strategies, companies can create a safer work environment for their employees.
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High-risk sectors
Several companies in Australia, particularly those in high-risk sectors such as construction and mining, have restricted the use of 9-inch grinders due to the significant safety risks associated with them. These powerful tools, when misused, can lead to severe consequences, including life-threatening injuries and fatalities.
In Western Australia, several companies have taken a hard stance against the use of 9-inch grinders due to their involvement in numerous serious incidents, including fatalities. For example, Programmed, a company operating in high-risk sectors, has implemented a ban on 9-inch grinders on its work sites due to the high proportion of serious injuries resulting from their use. Common injuries associated with 9-inch grinders include amputations, severe lacerations, and face and eye injuries from shattered cutting and grinding discs.
Other companies in high-risk sectors have also reported similar incidents, with one worker in Queensland, Australia, experiencing a 100mm laceration to the throat due to a grinder kickback. Additionally, a worker in Queensland died while working with a 9-inch grinder when the blades shattered, resulting in deep cuts to the chest. Another incident involved the death of a worker in 2015 due to an electric shock while using a 9-inch grinder.
To prevent such tragic outcomes and the heavy fines that follow, companies in high-risk sectors must ensure proper safety procedures and equipment checks when working with angle grinders. This includes providing proper training and supervision, adhering to safety regulations, and ensuring that safety features like guards are in place and used correctly. In some cases, companies may choose to prohibit the use of 9-inch grinders altogether, opting for safer tool alternatives.
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Fines for improper use
Angle grinders are powerful tools that can be extremely dangerous if not used properly. The majority of injuries from angle grinders involve metal particles lodging in the operator's eye, but the most serious risks come from kickback, where the disc is violently thrust back towards the user. Using cutting discs with angle grinders also exposes workers to severe hazards, including the potential for discs to shatter or explode, sending dangerous fragments flying in all directions.
In Australia, companies have faced significant fines for failing to ensure the safe use of angle grinders in the workplace. These fines highlight the importance of adhering to safety regulations and implementing proper training and supervision. Here are some examples of companies that have been fined due to improper use of angle grinders:
- LWB Consulting Pty Ltd: A $250,000 fine was imposed after a worker died due to improper training and the removal of the grinder's guard.
- Proline Steel Pty Ltd: The company faced a $180,000 penalty when an apprentice sustained serious injuries from a grinder kickback caused by a missing guard.
- Roy Hill Holdings Pty Ltd: A fatality resulted in a $200,000 fine for using an incorrect disc and inadequate supervision.
- All State Demolition Pty Ltd: A $100,000 fine was issued when a worker was severely injured due to improper use and a lack of safety equipment.
- Greenup Engineering Pty Ltd: The company incurred a $120,000 fine after a worker suffered severe facial injuries from an unguarded grinder.
- Ahern Industrial Services Pty Ltd: A $150,000 fine was the result of a worker being fatally injured due to poor maintenance and safety checks on the grinder.
These cases serve as a reminder to businesses that ensuring proper safety procedures and equipment checks are essential when working with angle grinders. Companies that prioritise the safety of their workers will not only avoid tragic outcomes but also the heavy fines that follow. It is crucial to wear proper PPE, inspect equipment before use, maintain a secure work environment, and always handle the grinder at the correct angle to prevent accidents.
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Training and supervision
The use of 9-inch grinders has been restricted by several companies in Australia due to the significant safety risks associated with them. These tools have been involved in numerous serious incidents, including fatalities, leading some businesses, particularly in high-risk sectors like construction and mining, to prohibit their use altogether.
Firstly, operators of 9-inch grinders must receive comprehensive training before using these high-powered tools. This training should cover various topics, including the proper use of the grinder, safety precautions, and the potential hazards associated with misuse. The training should be tailored to the specific type of grinder and the work being performed. It is important for operators to fully understand the capabilities and limitations of the tool to make informed decisions and minimise risks.
Secondly, regular supervision is necessary to ensure that operators are following safe work practices. Supervisors should be knowledgeable about the potential hazards and experienced in identifying unsafe behaviour or conditions. They should provide ongoing guidance and support to operators, addressing any questions or concerns that may arise. Supervisors should also conduct regular site inspections and tool audits to verify that safety measures are in place and effective. This includes checking that safety features, such as guards, are intact and functional.
Thirdly, it is essential to establish clear communication channels between operators, supervisors, and health and safety officers. This promotes a culture of safety and encourages reporting of any incidents, near misses, or potential hazards. Regular safety meetings and briefings can help reinforce safe work practices and ensure that everyone is aware of the potential risks and precautions.
Additionally, risk assessments should be conducted before any work commences. These assessments should identify potential hazards, evaluate the risks associated with using 9-inch grinders, and implement control measures to mitigate those risks. It is important to involve operators and health and safety professionals in these assessments to ensure a comprehensive understanding of the hazards and effective control measures.
Finally, it is crucial to provide operators with access to safety information and resources. This includes making sure they have access to and understanding of relevant manuals, handbooks, and safety protocols. Encouraging a culture of continuous learning and improvement can help operators stay informed about emerging safety practices and technologies.
By implementing comprehensive training programs and robust supervision practices, companies can help ensure the safe use of 9-inch grinders and reduce the risk of injuries and fatalities. It is important to stay vigilant and proactive in addressing safety concerns to create a safer work environment for all.
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Frequently asked questions
9-inch grinders are banned in Australia due to safety concerns. There have been several reported incidents, including fatalities, involving the use of 9-inch grinders. Common injuries include amputations, severed tendons, serious lacerations, and face and eye injuries from shattered discs.
Yes, in most cases, there are safer tool options available. It is recommended to use the correct tool for the job and to prioritize safety in the workplace.
In rare circumstances, if a 9-inch grinder must be used, additional safety controls must be in place. This includes approval from a National or Group HSEQ Manager and ensuring that employees are trained and competent in using the equipment. It is also important to follow safety procedures such as wearing the necessary personal protective equipment (PPE) and following manufacturer guidelines.










































