Fowler 52-710-025-0 Coax 2-Dimensional Coaxial Indicator Set
- 0.250 inch measuring range
- 0.0002 inch readability, 0.0005 inch graduations
- 3 internal and 3 external feelers, plus center point feeler
- 0.125 inch ball diameter
- Up to 800 RPM with a stationary dial
- 1 year warranty
Updated 2 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A coaxial dial test indicator set with offset-axis measuring and a case, built for finding true center on rotating work. The listing does not name a mounting style, so check how it attaches to your machine.
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ASIN: B001VXS9S0Model: 52-710-025-0Category: Dial Indicators
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Overview
Locating true center on a rotating part is the job of this Fowler coaxial indicator, which holds its dial face still while the spindle turns. The set includes internal, external and center point feelers in a case.
It earns its place in machine and inspection work where centering matters and a wide measuring range helps. Graduation and readability figures differ between the title and description, which is worth a close read.
Who it's for
Shops that locate bores and edges on rotating spindles and want several feelers in one kit. Casual users after a basic dial indicator will not use the center point and offset features.
Pros and cons
- Dial stays stationary during rotation
- Internal, external and center point feelers
- Locating accuracy to true center
- Mounting method not listed
- Readability and graduations differ in listing
- Feeler tip details beyond ball diameter missing
Performance notes
The offset axis lets the feeler follow a bore or edge while the dial stays still, so readings are taken directly instead of by tracking a swinging needle. Accuracy is stated at true center, and the stated spindle limit sets how fast the work can turn.
Specifications
| Brand | Fowler |
|---|---|
| Model | 52-710-025-0 |
| Dimensions & fit | |
| Feeler ball diameter | 0.125 inch |
| Capacity & performance | |
| Measuring range | 0.250 inch offset axis |
| Max spindle speed | 800 RPM |
| Warranty & support | |
| Warranty | 1 year |
| Other details | |
| Graduations | 0.0005 inch |
| Readability | 0.0002 inch |
| Dial reading | 0-50 continuous |
| Feelers | 3 internal, 3 external, 1 center point |
| Locating accuracy | ±0.0002 inch of true center |
| Measuring span | 0-12 inches |
Frequently asked questions
Which machines does the Fowler coaxial indicator work with?
The listing does not name a machine or mount. It states the dial stays stationary while the spindle rotates up to 800 RPM, so it is aimed at spindle-based centering.
What comes in the Fowler 52-710-025-0 set?
Three internal feelers, three external feelers and a center point feeler, with a case. The listing says the feelers have a 0.125 inch ball diameter.
Is the readability 0.0002 or 0.0005 inch?
The title says 0.0002 inch readability while the description gives 0.0005 inch graduations. Treat the second as the dial marking.