Quality Assurance · ISO 9001:2015
Precision Inspection. Consistent Quality. Complete Confidence.
At Santosh Engineering Works, quality is an integral part of every manufacturing process. We are equipped with advanced inspection and metrology facilities to ensure that every component meets the required dimensional accuracy, surface finish, hardness, and customer-specific quality standards.
Our inspection infrastructure enables us to verify critical component characteristics at various stages of manufacturing, from in-process inspection to final quality verification. Supported by calibrated measuring instruments and systematic inspection practices, we are committed to delivering precision-engineered components that meet stringent automotive industry requirements.


Metrology Lab · Dimensional Inspection
ZEISS CMM – Spectrum Plus 7/10/6
Our ZEISS Coordinate Measuring Machine (CMM) enables high-precision dimensional inspection of complex and critical components. With a measuring range of 700 × 1,000 × 600 mm, the system supports accurate verification of component geometry and dimensional characteristics.
- High-accuracy dimensional measurement and geometric verification.
- Inspection of complex profiles, hole positions, distances, and geometric relationships.
- Verification of critical dimensions against engineering drawings and customer specifications.
- Support for first-piece inspection, component validation, and quality documentation.
- Inspection of precision-machined automotive components with complex geometrical requirements.
Metrology Lab & Shop-floor Inspection
Our Inspection & Measurement Capabilities
1. ZEISS CMM – Spectrum Plus 7/10/6
Our ZEISS Coordinate Measuring Machine (CMM) enables high-precision dimensional inspection of complex and critical components. With a measuring range of 700 × 1,000 × 600 mm, the system supports accurate verification of component geometry and dimensional characteristics.
Key capabilities
- High-accuracy dimensional measurement and geometric verification.
- Inspection of complex profiles, hole positions, distances, and geometric relationships.
- Verification of critical dimensions against engineering drawings and customer specifications.
- Support for first-piece inspection, component validation, and quality documentation.
- Inspection of precision-machined automotive components with complex geometrical requirements.
2. Mitutoyo Surface Roughness Tester
Our Mitutoyo Surface Roughness Tester is used to evaluate the surface texture and finish of machined components, ensuring compliance with specified surface roughness requirements.
Key capabilities
- Measurement and verification of surface roughness parameters, including Ra and other supported parameters.
- Inspection of surface finish after turning, milling, grinding, and other machining operations.
- Verification of surface finish against customer drawings and technical specifications.
- Support for process control and consistent surface quality.
3. Trimos 1D Height Measuring Instrument
Our Trimos 1D Height Measuring Instrument provides precise vertical dimensional measurement for components and features within its 0–600 mm measuring range.
Key capabilities
- Accurate measurement of heights, steps, shoulders, and vertical distances.
- Verification of component dimensions and positional features relative to a reference surface.
- Inspection of critical dimensions during machining and final quality checks.
- Support for repeatable and reliable dimensional inspection.
4. Mitutoyo Profile Projector
Our Mitutoyo Profile Projector enables optical inspection of component profiles and features by magnifying their projected outlines for measurement and comparison.
Key capabilities
- Inspection of component profiles, contours, and geometrical features.
- Measurement of angles, radii, lengths, and other supported dimensions.
- Verification of small and intricate features that require optical inspection.
- Inspection of threads, tool-generated profiles, and machined contours, subject to the instrument’s configuration and measurement capability.
- Comparison of component profiles against engineering drawing requirements.
5. Hardness Testing Facility
Our hardness testing facility enables verification of component hardness to help ensure compliance with specified material and process requirements.
Key capabilities
- Hardness verification of components as per applicable specifications.
- Inspection of components subjected to heat treatment and other hardness-affecting processes.
- Verification of hardness requirements against customer drawings and technical standards.
- Support for quality validation of components requiring specified hardness levels.
6. Calibrated Linear Measuring Instruments
We maintain a comprehensive range of linear and dimensional measuring instruments to support routine inspection, in-process quality control, and final component verification. Our measuring instruments include equipment such as micrometers, vernier calipers, height gauges, dial indicators, bore gauges, and other dimensional inspection tools, as applicable to component requirements.
Key capabilities
- Measurement of internal and external diameters, lengths, depths, heights, and other critical dimensions.
- In-process inspection to maintain dimensional consistency during production.
- Final inspection to verify compliance with customer specifications.
- Availability of calibration certificates for applicable measuring instruments, supporting measurement traceability and reliable inspection results.
Our Commitment to Quality
Meeting Customer Specifications, Every Time
At Santosh Engineering Works, our inspection facilities support a quality-focused manufacturing approach built around dimensional accuracy, process control, and customer satisfaction. By combining precision measuring equipment with systematic inspection practices, we strive to ensure consistent quality and reliable performance across the components we manufacture.
Our objective is simple: to deliver precision-engineered components that meet customer specifications, every time.
Have a component drawing or development requirement? Send us your drawing/specification for a manufacturing feasibility and quotation.
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