MACHINERY at Superior Weighting Products, LLC
2 miners were removing journal rollers. While loosening the nut, the head of the bolt slid out of the hardware cavity. The injured minor used right ring finger to push up and reseat it into the cavity. When the 2nd miner engaged the impact wrench, the head of the bolt seated in the cavity and pinched the injured miner's ring finger, causing a laceration to their right ring finger.
Canadian Energy Services & Technology Corp
U.S. Mine Safety and Health Administration