Value Collection 636-7000 Round Steel Gage Block 0.7 in Grade B

Product Description

The VALUE COLLECTION 636-7000 is a round steel gage block manufactured to Grade B accuracy, used for dimensional measurement, calibration, and inspection tasks in precision machining and quality-control environments. At 0.70000 inches, this block provides a traceable reference standard for verifying measuring instruments, setting comparators, and checking part tolerances. Grade B accuracy designates a working-grade block appropriate for shop-floor measurement applications. It is typically handled by machinists, toolmakers, metrology technicians, and quality control inspectors who require reliable dimensional references without the expense of a laboratory-grade set.

This gage block suits general shop-floor measurement and inspection use across metal fabrication, machine shops, and toolroom environments. Round gage blocks of this type are commonly used as setting masters for dial indicators and bore gages, or as reference standards during in-process inspection. The 0.70000-inch size fills a common single-block reference need where a full rectangular block set is not required or practical for the task at hand.

Key Features

• Grade B accuracy for reliable shop-floor dimensional reference work
• Round geometry provides easy single-hand handling and consistent wringing surfaces
• Steel construction for durability under typical shop conditions
• Nominal size of 0.70000 inches for precise reference measurement
• Single-block format — no full set required for targeted reference applications

Compatibility

Designed as a working-grade reference block for use with standard comparators, dial indicators, and bore gages that accept round gage block masters in dimensional inspection setups.

Installation Notes

Gage blocks should be handled with clean, dry hands or lint-free gloves to prevent corrosion from skin oils. Surfaces must be cleaned and lightly oiled with gage block protective oil before storage. Do not drop or stack gage blocks on abrasive surfaces, as damage to the lapped faces will compromise accuracy. Calibration and inspection work should be performed in accordance with applicable metrology standards and shop quality procedures.