OSHA Workplace Injury Research

Fastener Injuries Often Stem From Equipment Failure

OSHA recorded 513 severe cases involving fasteners, with most resulting in serious lacerations or permanent amputations.

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How often these injuries happen

OSHA recorded 513 severe incidents involving fasteners over the last decade. These accidents frequently result in cuts, lacerations, and punctures, which account for 61% of all reported cases.

The severity of these injuries is high, with 17% of cases resulting in amputations. Your fingers are the most commonly affected body part, often suffering permanent damage when hardware fails or is handled improperly.

Reported 2025 (partial year)
02040608010020152025
Data: Federal OSHA Severe Injury Reports (29 states). Jan–Jul 2025, partial year.

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How these injuries happen

Most fastener-related injuries occur when you are struck by a propelled object or substance, accounting for 63% of all reported incidents. These events often happen when high-tension hardware fails, pressurized lines burst, or tools slip during installation. You are also frequently caught between equipment and objects when fasteners give way, leading to crushing injuries or severe lacerations.

1 Struck by propelled object or substance
Incidents
314
Share
63% of reported incidents
2 Compressed between running equipment and other object(s)
Incidents
48
Share
10% of reported incidents
3 Struck against stationary object
Incidents
46
Share
9% of reported incidents
4 Struck by falling object
Incidents
39
Share
8% of reported incidents
5 Caught or wedged between objects— nonrunning
Incidents
13
Share
3% of reported incidents
6 Injured by object handled by person
Incidents
12
Share
2% of reported incidents
7 Struck by running powered equipment— unspecified
Incidents
6
Share
1% of reported incidents
8 Struck by propelled, falling, or suspended object— unspecified
Incidents
6
Share
1% of reported incidents
Cause Incidents Share
1Struck by propelled object or substance 31463% of reported incidents
2Compressed between running equipment and other object(s) 4810% of reported incidents
3Struck against stationary object 469% of reported incidents
4Struck by falling object 398% of reported incidents
5Caught or wedged between objects— nonrunning 133% of reported incidents
6Injured by object handled by person 122% of reported incidents
7Struck by running powered equipment— unspecified 61% of reported incidents
8Struck by propelled, falling, or suspended object— unspecified 61% of reported incidents

Where injuries happen most

Manufacturing accounts for 40% of all reported fastener injuries, followed by construction at 34%. These industries rely on high-torque machinery and structural assembly where the failure of a single bolt or coupling can trigger a catastrophic release of energy or heavy equipment collapse.

Manufacturing 40%
Construction 34%
Transportation & Warehousing 6%
Wholesale Trade 5%
Retail Trade 4%
Other 11%

Real cases like yours

Common patterns in these incidents involve the sudden failure of structural supports, hydraulic couplings, or tensioned hardware during maintenance and assembly. You are often struck by flying debris or crushed when components fall unexpectedly due to failed fasteners. If any of these scenarios sound like what happened to you, an attorney can help you review the specifics of your incident to determine if employer negligence contributed to the failure.

Year State Industry Incident summary

Source: OSHA Severe Injury Reports. Narratives are verbatim from filings; identifying details may have been redacted by OSHA.

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