Precision Brand 25112 Round Arbor Shim Steel Pack of 10

Product Description

The PRECISION BRAND 25112 is a round arbor shim made from steel, designed to provide precise spacing and alignment on arbor and shaft assemblies. At 0.015 inches thick with an inside diameter of 0.375 inches and an outside diameter of 0.625 inches, this shim delivers tight dimensional tolerances suited for mechanical and industrial applications. Each package contains 10 shims. Machinists, millwrights, and maintenance technicians use arbor shims to eliminate play, correct axial positioning, and maintain consistent clearances on rotating equipment and tooling setups.

This shim is commonly used in machine shop, fabrication, and industrial maintenance settings where precise shaft or arbor spacing is required. Typical applications include positioning saw blades, grinding wheels, and other arbor-mounted tooling to achieve exact spacing on spindles and mandrels. The small OD and thin gauge make it well suited for close-tolerance work in compact assemblies. It ships in a 10-piece pack, allowing multiple adjustments or replacements to be on hand during a single service call.

Key Features

• Arbor shim type for shaft and spindle spacing applications
• 0.015 inches thick for fine, incremental positional adjustment
• 0.375 inches ID fits standard arbor and shaft sizes in that range
• 0.625 inches OD provides adequate bearing surface for typical arbor tooling
• Steel construction for durability under mechanical load
• Sold in a 10-piece package to support on-the-spot adjustments

Compatibility

Designed as an OEM-style replacement or standard-service arbor shim for mechanical assemblies requiring a 0.375 inches ID and 0.625 inches OD round shim at 0.015 inches thickness.

Installation Notes

Installation is typically performed by machinists or maintenance technicians. De-energize and lock out all rotating equipment before adding or removing shims from any spindle or arbor assembly. Verify shim stack thickness with a calibrated micrometer to confirm total spacing meets the required tolerance before returning equipment to service. Follow all applicable machinery safety standards and facility lockout/tagout procedures during service.