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Roof Bolters, Mining - 47-5043.00

O*NET-SOC Description

Operate machinery to install roof support bolts in underground mine.

Sample of Reported Job Titles

  • Bolt Machine Operator
  • Bolt Man
  • Bolter
  • Miner
  • Place Change Roof Bolter
  • Roof Bolter
  • Roof Bolter Operator
  • Underground Miner
  • Underground Roof Bolter

SOC Occupation Groups

Related Occupations


  • Drill bolt holes into roofs at specified distances from ribs or adjacent bolts.
  • Drill test holes and test bolts for specified tension, using torque wrenches.
  • Dust rocks after bolting.
  • Force bolts into holes, using hydraulic mechanisms of self-propelled bolting machines.
  • Install various types of bolts, including truss, glue, and resin bolts, traversing entire ceiling spans.
  • Perform safety checks on equipment before operating.
  • Perform tests to determine if methane gas is present.
  • Perform ventilation tasks, such as hanging ventilation curtains and tubes.
  • Position bolting machines, and insert drill bits into chucks.
  • Position safety jacks to support underground mine roofs until bolts can be installed.
  • Pull down loose rock that cannot be supported.
  • Remove drill bits from chucks after drilling holes, and insert bolts into chucks.
  • Rotate chucks to turn bolts and open expansion heads against rock formations.
  • Tighten ends of anchored truss bolts, using turnbuckles.

Detailed Work Activities

  • Assemble temporary equipment or structures.
  • Break up rock, asphalt, or concrete.
  • Drill holes in earth or rock.
  • Inspect completed work to ensure proper installation.
  • Inspect equipment or tools to be used in construction or excavation.
  • Install equipment attachments or components.
  • Install metal structural components.
  • Install safety or support equipment.
  • Operate mining equipment.
  • Position construction or extraction equipment.
  • Position safety or support equipment.
  • Test air quality at work sites.

Military Crosswalk Titles

  • Combat Engineer (Army - Enlisted)
  • Combat Engineer (Marine Corps - Enlisted)
  • Combat Engineer Officer (Marine Corps - Commissioned Officer only)
  • Engineer Equipment Operator (Marine Corps - Enlisted)
  • Heavy Repair Superintendent (Air Force - Enlisted)

Apprenticeship Crosswalk Titles

No information available.

DOT Crosswalk Titles

  • Roof Bolter