The General Tools & Instruments 454-6 6-1/2" Inside Caliper is a robust precision instrument engineered for professional technicians and mechanics. Designed for accurate internal diameter measurements, this caliper reliably gauges the inner dimensions of openings and efficiently transfers those measurements for precise layout and verification tasks in demanding automotive and industrial environments. Its durable construction ensures consistent performance and lasting reliability.
Key Features
- Generous Measurement Capacity: Features a 6-1/2" jaw capacity and 6-5/16" legs, providing ample range for diverse internal measurement applications.
- Durable, Professional-Grade Construction: Legs are crafted from special caliper steel with hardened measurement points, ensuring exceptional durability and precise marking on workpieces.
- Consistent and Repeatable Tension: Hardened and tempered bow springs maintain uniform tension without side play, critical for repeatable and accurate measurements.
- Rapid and Secure Adjustments: An adjusting screw with a self-seating washer and nut facilitates quick, precise, and secure adjustments to the desired internal dimension.
- Adherence to Quality Standards: Conforms to government specifications GGG-C-95, underscoring its adherence to professional quality and reliability.
Applications
- Precision Internal Measurement: Ideal for accurately determining the inner diameter of bores, pipes, grooves, and other internal features found in engine blocks, machinery components, and industrial equipment.
- Accurate Measurement Transfer: Essential for transferring precise internal dimensions to micrometers, rulers, or other measuring devices, ensuring accurate replication or verification in fabrication and assembly processes.
- Automotive & Industrial Diagnostics: Utilized for critical tasks such as checking cylinder bore wear, measuring bearing seat diameters, or assessing internal clearances during engine rebuilding and equipment maintenance.
- Manufacturing Quality Control: Employed in manufacturing and engineering for inspecting parts, verifying tolerances, and ensuring components meet specified internal dimensions.
Specifications
- Jaw Capacity: 6-1/2"
- Leg Length: 6-5/16"
- Material: Special Caliper Steel
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