PRECISION
PRECISION 25305 Arbor Shim Steel 0.004 in PK10
Steel arbor shim with 1.75 in inside diameter, 2.75 in outside diameter and 0.004 in thickness, supplied in a pack of 10
- TypeShims and Shim Stock
- Precision 0.004 in arbor shim for exact alignment
- Ten shims per pack support multiple setup adjustments
- Steel construction delivers 80000 psi tensile strength
- Full hard temper maintains thickness under load
- Tight 0.0005 in tolerance ensures consistent fit
Precision Arbor Shim Steel 0.004 in PK10
This pack contains ten steel arbor shims manufactured to AISI 1008-1010 standards. Each shim has a 1.75 in inside diameter and a 2.75 in outside diameter. They suit maintenance technicians and machine builders who need precise spacing on arbors or shafts.
Full hard temper and tight tolerances
The shims are produced in a full hard temper with a plain silver finish. Thickness is held to 0.004 in with a tolerance of +/- 0.0005 in. Outside diameter tolerance is +/- 0.002 in and inside diameter tolerance is +0.011/-0.000 in. These controls reduce the need for rework during assembly.
Ten shims provide limited adjustment range
The 0.004 in thickness allows fine incremental alignment in a single step. Stacking multiple shims increases total offset but consumes the pack quickly. Buyers who need more storage or a broader range of thicknesses will require additional assortments.
Highlights
- Precision 0.004 in arbor shim for exact alignment
- Ten shims per pack support multiple setup adjustments
- Steel construction delivers 80000 psi tensile strength
- Full hard temper maintains thickness under load
- Tight 0.0005 in tolerance ensures consistent fit
Specifications
| Brand | PRECISION BRAND |
|---|---|
| Type | Shims and Shim Stock |
Questions about this item
How often will the 0.004 in thick steel shims need replacement under normal arbor use?
The AISI 1008-1010 full-hard steel resists wear, so replacement depends on load cycles rather than a fixed interval; inspect thickness against the ±0.0005 in tolerance during routine maintenance.
What dimensional limit is reached first when the shim stack is under sustained clamping force?
The 80,000 psi tensile strength of the steel sets the load ceiling; exceeding it risks permanent deformation of the 1.75 in ID or 2.75 in OD before the ±0.0005 in thickness tolerance is breached.
Does the plain-finish steel generate noticeable heat or noise when the arbor runs continuously all day?
No — the shims are passive spacers with no moving surfaces, so they produce no audible noise and negligible thermal contribution regardless of run time.
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