Foundry Mold and Coremakers
US occupation · SOC 51-4071
Job titles people report: Core Machine Operator, Core Maker, Core Stripper, Coremaker, Green Sand Molder, Mold Maker, Mold Operator, Molder, No Bake Molder, Sand Molder
Pay and outlook
- Median annual wage, May 2025
- $48,110
- Half earn more, half earn less
- Middle half earn
- $41,870 – $57,350
- 25th to 75th percentile
- People employed, May 2025
- 12,790
- Wage and salary jobs (OEWS)
- Projected change, 2025–35
- -23%
- Shrinking (below 0%)
- Openings a year (projected)
- 800
- New jobs plus replacing people who leave
- Typical education to enter
- High school diploma or equivalent
- BLS
- All figures are for the United States as a whole. Pay varies a lot by state and city.
- Wages are for everyone working in the occupation in May 2025, at every career stage. They are not starting salaries or figures for new graduates.
- Growth and openings are BLS projections for 2025–35. They are estimates, not promises. Openings include jobs that open up when people retire or change occupation, not just new jobs.
What the work involves
Make or form wax or sand cores or molds used in the production of metal castings in foundries.
Main tasks
- Clean and smooth molds, cores, and core boxes, and repair surface imperfections.
- Sift and pack sand into mold sections, core boxes, and pattern contours, using hand or pneumatic ramming tools.
- Position patterns inside mold sections, and clamp sections together.
- Position cores into lower sections of molds, and reassemble molds for pouring.
- Sprinkle or spray parting agents onto patterns and mold sections to facilitate removal of patterns from molds.
- Form and assemble slab cores around patterns, and position wire in mold sections to reinforce molds, using hand tools and glue.
- Move and position workpieces, such as mold sections, patterns, and bottom boards, using cranes, or signal others to move workpieces.
- Lift upper mold sections from lower sections, and remove molded patterns.
Description and tasks from the O*NET® 31.0 Database.
Getting in
- Typical education to enter (BLS)
- High school diploma or equivalent
- Training once hired: moderate-term on-the-job training
- O*NET Job Zone 1–2
- Little to some preparation
- Usually requires a high school diploma or GED, though some occupations may not.
Interests it suits
The strongest of the six O*NET interest types for this occupation, highest first. The short glosses are ours.
- Realistic: hands-on work with tools, machines, plants or animals
- Conventional: organising information, records and procedures
- Investigative: research, analysis and solving problems with ideas
Fields of study that lead here
From the federal CIP–SOC crosswalk, which links 1 programme to this occupation. A link means the programme prepares people for this kind of work. It doesn't mean the programme is required, or that it's the only route.
Fields
Our college matcher doesn't offer this field as a major, so we can't suggest colleges for it here.
Precision Production
- Ironworking/Ironworker
Related careers
Related occupations from the O*NET database, in its order.
- Refractory Materials Repairers, Except Brickmasons
$61,290 median · -13.7% projected
- Woodworking Machine Setters, Operators, and Tenders, Except Sawing
$43,380 median · -2.5% projected
- Forging Machine Setters, Operators, and Tenders, Metal and Plastic
$49,030 median · -17.2% projected
- Tool Grinders, Filers, and Sharpeners
$50,060 median · -6.8% projected
- Tool and Die Makers
$64,050 median · -9.2% projected
- Shoe Machine Operators and Tenders
$35,650 median · -6.9% projected
Sources
This page includes information from the O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET® is a trademark of USDOL/ETA. CollegeMatcher has modified all or some of this information. USDOL/ETA has not approved, endorsed, or tested these modifications. O*NET 31.0 Database · CC BY 4.0
Changes: we show the core tasks in the O*NET database with the highest importance ratings (up to eight, in that order), the top three O*NET interest types by score, and shortened Job Zone names. Titles, descriptions and task text are unchanged.
Wages: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025. Projections, typical entry education and training: U.S. Bureau of Labor Statistics, Employment Projections 2025–35. Fields of study: NCES and BLS CIP 2020–SOC 2018 Crosswalk. All public domain. OEWS · Employment Projections · CIP–SOC crosswalk