8mm Steel Half-Round Test Rod for Dial Indicator Holder
8mm Steel Half-Round Test Rod for Dial Indicator Holder
8mm Steel Half-Round Combination Rod for Dial Indicator Holder
This precision-machined 8mm diameter half-round combination test rod is engineered for seamless compatibility with dial indicator holders and dial gauge instruments. Ideal for machinists, toolmakers, and metrologists who need a reliable extension rod for centering shafts, bores, and holes on machine tools with accuracy and ease.
Made in Mainland China.
Key Features
- 8mm Diameter: Precision-ground rod designed to connect directly with standard dial indicator and dial test indicator holders.
- High-Quality Steel Construction: Manufactured from hardened steel with a blackening surface treatment for enhanced durability, corrosion resistance, and long service life.
- Half-Round Profile: The half-round combination design is purpose-built for special setups, including centering shafts or holes on machine tools — perfect for milling and lathe work.
- Wide Compatibility: Works with dial gauge instruments equipped with stems or dovetail attachments, making it a versatile addition to any precision measurement setup.
- Easy to Use: Simple, tool-free connection to your existing dial gauge holder — minimal setup time, maximum productivity on the shop floor.
Specifications
| Diameter | 8mm |
| Material | High-quality hardened steel |
| Surface Treatment | Blackening |
| Application | Dial indicator / dial test indicator holders |
| Quantity | 1 piece |
| Origin | Mainland China |
Package Contents
- 1 × 8mm Half-Round Combination Test Rod
Note: Actual product color may slightly differ from photos due to lighting conditions. Minor dimensional deviations may occur due to measurement methods.
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Frequently Asked Questions
Q: What is the diameter of this half-round combination test rod?
A: The rod has a precision-ground 8mm diameter, making it compatible with most standard dial indicator and dial test indicator holders designed for 8mm stem connections.
Q: What is the half-round combination rod used for?
A: This half-round combination test rod is used as an extension or adapter for dial indicator holders on machine tools. It is especially useful for centering shafts or bores on milling machines and lathes, providing a stable and accurate connection between the indicator and the workpiece setup.
Q: Is this rod compatible with dovetail-style dial test indicators?
A: Yes. The half-round combination holder is designed to be versatile and works with dial test indicators equipped with stems or dovetail fittings, giving you flexibility across different gauge instrument types.
Q: What surface treatment does this rod have and why does it matter?
A: The rod undergoes a blackening treatment, which provides a layer of corrosion resistance and enhances the steel's durability. This treatment helps extend the service life of the rod even in workshop environments where exposure to cutting fluids and moisture is common.