# HANDTOOLS (NONPOWERED)
> MSHA accident `220192770017` · 10/01/2019 · US Silica Co
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Struck against stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 3 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** US Silica Co
- **Mine:** [4105363](https://api.ai-analytics.org/mine/4105363)
## Narrative

Employee was changing bucket teeth on a loader, hitting the teeth with a sledge hammer, the hammer bounced back and threw their hand into the tooth causing a laceration to their thumb

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*