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The VALUE COLLECTION 636-1090 is a round steel gage block ground to a nominal size of 0.109 inches and rated to Grade B accuracy. Gage blocks are precision reference standards used to calibrate measuring instruments, set comparators, and verify dimensional tolerances during inspection and machining operations. This block is manufactured from steel for durability and dimensional stability. Grade B classification indicates a general-purpose accuracy tier suited for shop-floor measurement and inspection work. Metrology technicians, machinists, and quality control personnel are the primary users.
This gage block is appropriate for use in machine shops, tool rooms, and quality inspection environments where traceable dimensional references are required. It is used to qualify gauges, verify caliper and micrometer accuracy, and establish reference dimensions for precision setups. The 0.109-inch size fills a specific incremental slot in a gage block set or serves as a standalone reference for applications requiring that nominal dimension.
Designed as a general-purpose precision reference standard compatible with standard gage block accessories including holders, jaws, and scribers sized for round-form steel gage blocks.
Gage blocks are handled and used by metrology technicians and machinists following standard inspection procedures. Clean mating surfaces thoroughly before wringing blocks together to prevent damage to lapped faces. Store blocks in a protective case away from humidity and temperature extremes to maintain calibration integrity. Do not drop or impact the block, as this can alter dimensional accuracy.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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