# MACHINERY
> MSHA accident `220102670026` · 09/18/2010 · Hanson Aggregates BMC, Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Hand tools (powered)
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 3.46 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Hanson Aggregates BMC, Inc
- **Mine:** [3608284](https://api.ai-analytics.org/mine/3608284)
## Narrative

Worker was using an air wrench to loosen a lock nut from a 1""x7 1/2"" bolt located on jaw crusher.  His middle fingertip got smashed and broken by the bolt head.

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