After removing the retaining screw, the lock ring on the fines screw was still stuck. The employee used a chipping hammer and a 4lb sledge hammer to tap it loose. When the employee struck the chipping hammer with the sledge hammer, a piece of metal broke off the tip of the chipping hammer, went through his leather glove and into his left thumb.
Search the record
Every injury and fatality MSHA has on file. Filter by state, year, sector, classification, experience, or any keyword from the investigator's narrative.
- Total incidents
- 273,095
- Of which fatal
- 1,202
- Years on record
- 2000–2026
- Classifications
- 20
Alert me on this search
Email me when a new incident matches these filters. One confirmation email; unsubscribe anytime.
4 matching records
Showing all 4Employee was removing a bearing race that was "galled" to the shaft. The metal had been burned/cut with a torch in two places. The helper proceeded to strike the race with a 4-lb hammer to release it from the shaft. A small piece of metal flew off and struck employee in the left thigh which resulted in a puncture wound and the metal being lodged in his leg.
Employee was knocking the wooden pegs out of a C200 compressor coupling using a hammer and a chisel. The employee struck his left thumb with the hammer causing swelling and pain.
Employee was cutting a piece of vacuum pipe with a utility knife. Knife slipped causing laceration to right index finger.