# MACHINERY
> MSHA accident `220040020056` · 12/18/2003 · Kingwood Mining Company LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** DRILL STEEL (ALL SIZES)
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** —
- **Mine experience:** 0.15 years
## Operator
- **Controller:** Alpha Natural Resources, Inc.
- **Operator:** Kingwood Mining Company LLC
- **Mine:** [4608751](https://api.ai-analytics.org/mine/4608751)
## Narrative

THE EE WAS INSTALLING A ROOF BOLT TO SUPPORT A BROW. HE STARTED THE HOLE W/A SHORT STARTER STEEL, BUT DID NOT DRILL THE HOLE STRAIGHT. WHEN HE SWITCHED TO HIS REG. STEEL, THE BOTTOM OF THE ST EEL WAS NOT PLACED PROPERLY IN THE CHUCK. THE STEEL WAS ON A BIND & WHEN HE RELEASED PRESSURE, THE DRILL STEEL SPRUNG BACK & STRUCK HIS RT.HAND.

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