# MACHINERY
> MSHA accident `220261550010` · 06/02/2026 · U.S. Silica Company, LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Mechanic helper
- **Activity:** Grinding
- **Injury source:** ABRAS STONE,WHEEL GRINDER
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** WRIST
- **Days lost:** 0
- **Mine experience:** 4 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U.S. Silica Company, LLC
- **Mine:** [2600680](https://api.morvs.ai/mine/2600680)
## Narrative

An employee was cutting bolts with a grinder when the tool unexpectedly kicked back, causing the grinding wheel to contact the employee's left wrist.  The employee sustained a laceration requiring seven stitches.

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