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Tool Grinders, Filers, and Sharpeners - 51-4194.00

O*NET-SOC Description

Perform precision smoothing, sharpening, polishing, or grinding of metal objects.

Sample of Reported Job Titles

  • Cutter Grinder
  • Finisher
  • Grinder
  • Grinder Operator
  • OD Grinder Operator (Outer Diameter Grinder Operator)
  • Saw Filer
  • Tool and Cutter Grinder
  • Tool Grinder

SOC Occupation Groups

51-0000 Production Occupations
51-4000 Metal Workers and Plastic Workers
51-4190 Miscellaneous Metal Workers and Plastic Workers
51-4194.00 Tool Grinders, Filers, and Sharpeners

Related Occupations


  • Attach workpieces to grinding machines and form specified sections and repair cracks, using welding or brazing equipment.
  • Compute numbers, widths, and angles of cutting tools, micrometers, scales, and gauges, and adjust tools to produce specified cuts.
  • Dress grinding wheels, according to specifications.
  • Duplicate workpiece contours, using tracer attachments.
  • File or finish surfaces of workpieces, using prescribed hand tools.
  • Fit parts together in pre-assembly to ensure that dimensions are accurate.
  • Inspect dies to detect defects, assess wear, and verify specifications, using micrometers, steel gauge pins, and loupes.
  • Inspect, feel, and measure workpieces to ensure that surfaces and dimensions meet specifications.
  • Monitor machine operations to determine whether adjustments are necessary, stopping machines when problems occur.
  • Perform basic maintenance, such as cleaning and lubricating machine parts.
  • Place workpieces in electroplating solutions or apply pigments to surfaces of workpieces to highlight ridges and grooves.
  • Remove and replace worn or broken machine parts, using hand tools.
  • Remove finished workpieces from machines and place them in boxes or on racks, setting aside pieces that are defective.
  • Select and mount grinding wheels on machines, according to specifications, using hand tools and applying knowledge of abrasives and grinding procedures.
  • Set up and operate grinding or polishing machines to grind metal workpieces, such as dies, parts, and tools.
  • Straighten workpieces and remove dents, using straightening presses and hammers.
  • Study blueprints or layouts of metal workpieces to determine grinding procedures, and to plan machine setups and operational sequences.
  • Turn valves to direct flow of coolant against cutting wheels and workpieces during grinding.

Detailed Work Activities

  • Adjust equipment controls to regulate coolant flow.
  • Apply protective or decorative finishes to workpieces or products.
  • Apply solutions to production equipment.
  • Assemble machine tools, parts, or fixtures.
  • Calculate specific material, equipment, or labor requirements for production.
  • Clean production equipment.
  • Draw guide lines or markings on materials or workpieces using patterns or other references.
  • Immerse objects or workpieces in cleaning or coating solutions.
  • Inspect finishes of workpieces or finished products.
  • Lubricate production equipment.
  • Maintain production or processing equipment.
  • Measure dimensions of completed products or workpieces to verify conformance to specifications.
  • Mount attachments or tools onto production equipment.
  • Mount materials or workpieces onto production equipment.
  • Operate grinding equipment.
  • Operate welding equipment.
  • Package products for storage or shipment.
  • Remove accessories, tools, or other parts from equipment.
  • Remove products or workpieces from production equipment.
  • Replace worn equipment components.
  • Review blueprints or other instructions to determine operational methods or sequences.
  • Select production equipment according to product specifications.
  • Set equipment controls to meet cutting specifications.
  • Shape metal workpieces with hammers or other small hand tools.
  • Smooth metal surfaces or edges.
  • Study blueprints or other instructions to determine equipment setup requirements.
  • Watch operating equipment to detect malfunctions.

Military Crosswalk Titles

  • Advanced Machinery Repairman (Navy - Enlisted)
  • Allied Trades Specialist (Army - Enlisted)
  • Allied Trades Warrant Officer (Army - Warrant Officer only)
  • Machinery Repairman (Navy - Enlisted)
  • Machinery Repairman Apprentice (Navy - Enlisted)
  • Machinery Repairman Journeyman (Navy - Enlisted)
  • Machinist (Marine Corps - Enlisted)
  • Tool and Equipment Technician (Navy - Enlisted)

Apprenticeship Crosswalk Titles

  • Card Grinder
  • Cylinder Grinder (Prt & Pub)
  • Die Polisher (Nonfer Metal)
  • Grinder Op Tool Precision
  • Grinder Set-Up Operator, Universal
  • Saw Filer (Any Ind)
  • Tool Grinder I
  • Tool Grinder Operator

DOT Crosswalk Titles

  • Card Grinder
  • Cylinder Grinder
  • Die Barber
  • Die Polisher
  • Filer, Finish
  • Grinder Operator, External, Tool
  • Grinder Operator, Surface, Tool
  • Grinder Operator, Tool
  • Grinder Set-Up Operator, Internal
  • Grinder Set-Up Operator, Universal
  • Lapper, Hand, Tool
  • Saw Filer
  • Tool Filer
  • Tool Grinder I
  • Tool-Grinder Operator