Drilling and Boring Machine Tool Setters, Operators, and Tenders, Metal and Plastic
SOC Code: 51-4032.00
ProductionDrilling and boring machine tool setters, operators, and tenders work with precision machinery to drill, bore, ream, and mill holes and cavities in metal and plastic workpieces used in manufacturing. With a median salary of $46,630, these skilled production workers are essential to industries ranging from aerospace and automotive to medical devices and defense manufacturing. Their ability to set up complex machine tools, interpret engineering drawings, and maintain tight tolerances ensures that critical components meet exact specifications.
Salary Overview
Median
$46,630
25th Percentile
$41,100
75th Percentile
$56,820
90th Percentile
$65,200
Salary Distribution
Job Outlook (2024–2034)
Growth Rate
-19.6%
New Openings
400
Outlook
Decline
Key Skills
Knowledge Areas
What They Do
- Verify conformance of machined work to specifications, using measuring instruments, such as calipers, micrometers, or fixed or telescoping gauges.
- Study machining instructions, job orders, or blueprints to determine dimensional or finish specifications, sequences of operations, setups, or tooling requirements.
- Move machine controls to lower tools to workpieces and to engage automatic feeds.
- Verify that workpiece reference lines are parallel to the axis of table rotation, using dial indicators mounted in spindles.
- Establish zero reference points on workpieces, such as at the intersections of two edges or over hole locations.
- Change worn cutting tools, using wrenches.
- Select and set cutting speeds, feed rates, depths of cuts, and cutting tools, according to machining instructions or knowledge of metal properties.
- Lift workpieces onto work tables either manually or with hoists or direct crane operators to lift and position workpieces.
Tools & Technology
★ = Hot Technology (in-demand)
Education Requirements
Typical entry-level education: High School Diploma
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A Day in the Life
A drilling and boring machine operator's day begins with reviewing the production schedule and studying engineering drawings or work orders that specify hole sizes, depths, locations, and tolerances for each job. Before starting production, they select and install the appropriate cutting tools, drill bits, reamers, or boring bars in the machine spindle and set speeds, feeds, and depth stops according to the material being machined. Test pieces are often run first to verify dimensional accuracy using precision measuring instruments such as micrometers, bore gauges, and coordinate measuring machines. During production runs, operators monitor the machining process, listening for unusual sounds, watching for excessive vibration, and checking coolant flow to ensure proper chip evacuation and tool life. They periodically measure completed parts against specification requirements and make fine adjustments to maintain dimensional accuracy as tools wear. Between jobs, operators clean machines, replace worn cutting tools, and perform routine maintenance like lubricating moving parts and checking alignment. The shift ends with recording production counts, documenting any quality issues, and organizing the workstation for the incoming shift.
Work Environment
Drilling and boring machine operators work in manufacturing plants, machine shops, and fabrication facilities that range from small job shops to large production factories. The environment is typically noisy due to running machinery, requiring hearing protection, and can involve exposure to metal chips, cutting fluids, and coolant mists that necessitate safety glasses and sometimes respiratory protection. Standing for most of the eight-to-ten-hour shift is standard, with the work requiring frequent bending, reaching, and lifting of workpieces and tooling that may weigh up to 50 pounds or more. Temperature conditions vary, with some shops being uncomfortably hot in summer and cold in winter, though many modern facilities have climate-controlled production areas. Safety is paramount, with strict protocols governing machine guarding, lockout-tagout procedures, personal protective equipment, and handling of sharp chips and hot workpieces. Most positions operate on fixed shifts including first, second, or third shift, with some facilities running 24-hour operations that offer shift differential pay. The culture in machine shops tends to be team-oriented with experienced operators mentoring newcomers and sharing knowledge about techniques and problem-solving approaches.
Career Path & Advancement
Entry into this occupation typically requires a high school diploma combined with vocational training in machine shop technology, manufacturing processes, or industrial mechanics. Many operators begin as machine tenders or helpers, learning fundamental operations under supervision before advancing to full operator status through six months to two years of on-the-job training. Community college and technical school programs in precision machining or CNC technology provide comprehensive training that accelerates career entry and advancement. Apprenticeship programs sponsored by manufacturers or trade unions offer structured multi-year training combining classroom instruction with paid hands-on experience. Operators who develop CNC programming skills can advance to CNC machinist or programmer positions with higher compensation and responsibility. With additional experience, top machinists progress to setup specialist, lead machinist, or shop foreman roles overseeing production teams. Professional certifications from the National Institute for Metalworking Skills validate competency at progressive skill levels and are increasingly valued by employers.
Specializations
Within the drilling and boring machine tool category, operators specialize based on the type of machinery, materials, and precision requirements of their work. CNC drilling and boring operators program and run computer-numerically controlled machines that automate complex multi-hole patterns with exceptional precision and repeatability. Jig boring specialists operate ultra-precise jig boring machines to create holes with positioning accuracy measured in ten-thousandths of an inch for tooling and fixture applications. Deep hole drilling operators use specialized gun drills and BTA systems to create holes with extreme length-to-diameter ratios in applications like rifle barrels, hydraulic cylinders, and injection molds. Radial drill press operators handle large workpieces using swing-arm drilling machines that allow the spindle to reach multiple locations without repositioning heavy parts. EDM drilling specialists operate electrical discharge machines that use spark erosion to create precise holes in hardened materials that conventional drills cannot penetrate. Multi-spindle drilling machine operators run production equipment with multiple drill heads that simultaneously create several holes in each workpiece for high-volume manufacturing. Plastics drilling specialists work with materials that require different speeds, feeds, and tooling approaches to prevent melting, cracking, or deformation.
Pros & Cons
Advantages
- ✓The median salary of $46,630 provides stable income with opportunities for overtime and shift differentials to increase earnings.
- ✓Strong demand due to the skilled trades shortage gives qualified operators excellent job security and negotiating leverage.
- ✓The work provides tangible satisfaction from creating precise physical components that serve critical functions in finished products.
- ✓No four-year degree is required, with paid apprenticeships and on-the-job training offering accessible career entry pathways.
- ✓Developing CNC skills creates advancement opportunities into higher-paying machinist and programmer positions.
- ✓The variety of workpieces, materials, and machining challenges keeps the work intellectually engaging and prevents monotony.
- ✓Skills are portable across industries including aerospace, automotive, medical, defense, and general manufacturing.
Challenges
- ✗Constant exposure to noise, cutting fluids, metal chips, and industrial environment hazards requires vigilant safety practices.
- ✗The physical demands of standing all shift, lifting heavy workpieces, and repetitive motions can lead to musculoskeletal problems.
- ✗Second and third shift schedules are common in manufacturing and can disrupt sleep patterns and social life.
- ✗The risk of serious injury from rotating machinery, sharp tools, and heavy materials requires unrelenting attention and caution.
- ✗Automation and CNC technology are reducing the number of manual operator positions, requiring continuous skill upgrading.
- ✗The median salary of $46,630 may feel limiting in high-cost-of-living areas without significant overtime or advancement.
- ✗Working environments in some older shops can be uncomfortable with poor climate control, inadequate ventilation, and outdated equipment.
Industry Insight
The precision machining industry is undergoing significant transformation as CNC automation, Industry 4.0 connectivity, and advanced materials reshape daily operations and skill requirements. While manual drilling and boring machines remain in use for maintenance, repair, and low-volume work, CNC machines increasingly dominate production environments, requiring operators to develop programming and digital skills. The skilled trades labor shortage has become acute in manufacturing, with many experienced machinists retiring and insufficient new workers entering the field, creating strong demand and upward wage pressure. Additive manufacturing is complementing rather than replacing subtractive processes, as most 3D-printed metal parts still require drilling and boring operations for precision features. Advanced materials including titanium alloys, composites, and hardened steels used in aerospace and medical applications demand specialized tooling knowledge and careful process control. Smart factory initiatives are connecting machine tools to networks that monitor performance, predict maintenance needs, and optimize production parameters in real time. Reshoring trends are bringing manufacturing back to domestic facilities, increasing demand for skilled machine operators who can produce precision components locally.
How to Break Into This Career
Breaking into machine tool operation starts with demonstrating mechanical aptitude, basic math proficiency, and a willingness to learn precision manufacturing skills. Enrolling in a machining technology program at a community college or vocational school provides foundational knowledge in blueprint reading, measurement, metallurgy, and machine operation that employers value highly. Many manufacturers offer entry-level positions as machine tenders, material handlers, or production helpers that provide exposure to the shop environment and pathways to operator training. Apprenticeship opportunities through companies, trade unions, or state-sponsored programs combine earning a wage with structured skill development over two to four years. Building competence with measurement tools including calipers, micrometers, and gauges through practice and coursework is essential before applying for operator positions. Obtaining a NIMS credential at the entry level demonstrates basic competency to employers and signals commitment to the trade. Job seekers should target manufacturers in their area, attend manufacturing job fairs, and connect with workforce development agencies that partner with local machine shops for placement programs.
Career Pivot Tips
Drilling and boring machine operators develop precision measurement skills, mechanical understanding, and process discipline that transfer effectively to many manufacturing and technical careers. The ability to read and interpret engineering drawings positions operators for transitions into quality inspection, metrology, or manufacturing engineering technician roles. CNC programming experience opens pathways to multi-axis CNC machining, CAM programming, and manufacturing automation positions with significantly higher compensation. Mechanical aptitude and troubleshooting skills support moves into industrial maintenance, tool and die making, or equipment repair positions. Understanding of materials, cutting processes, and tolerances prepares operators for production planning, process engineering, or manufacturing supervision roles. The precision and attention to detail cultivated through years of holding tight tolerances transfers to careers in laboratory technology, calibration services, and scientific instrument operation. Operators interested in technology can leverage their manufacturing knowledge to pivot into CNC software training, machine tool sales, or applications engineering. Quality management experience gained through inspection and documentation prepares operators for quality assurance, ISO coordination, or Six Sigma process improvement roles.
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