# MACHINERY
> MSHA accident `220161440022` · 05/17/2016 · Holcim (Texas) LP
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Steel worker, Iron metal worker, Iron worker
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 0
- **Mine experience:** 0.06 years
## Operator
- **Controller:** Holcim Ltd
- **Operator:** Holcim (Texas) LP
- **Mine:** [4103307](https://api.ai-analytics.org/mine/4103307)
## Narrative

Steel erection. Drilling/enlarging flange hole. Drill bit caught in/on the flanges hole material, binding/locking the drill. The rapid twisting motion rotated the drill handle left and shocked the operator's hand consequently forcing loss of hand control. Resulted in wrist sprain and Fx of metacarpal 

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