This catalog provides performance objectives, tasks, standards, and performance guides associated with current occupational information relating to the job content of machinists, specifically tool grinder operators, production lathe operators, and production screw machine operators. The catalog is comprised of 262 performance objectives, tool and equipment lists, and performance guides that were prepared from job-related task statements from the occupational inventory. Each performance objective contains the condition under which the student will perform the objective, the performance required of the worker in the job environment, and a job-relevant standard for measuring successful performance of the objective. The source of the standard for each objective is documented. The tool and equipment list includes the required tools and equipment for completing the performance guides. Accessories included are the necessary tools and machinery parts used with a basic machine. The performance guides that accompany the tasks provide procedural steps identified as subordinate to task performance. Appendixes to the catalog contain cross-reference tables of duties and tasks of machine tool operators; percentages of workers using tools, equipment, and work aids; references; and a model of the process of the development of the catalog. (KC)