8mm Steel Half-Round Rod for Dial Indicator Holder | Extension
8mm Steel Half-Round Combination Rod for Dial Indicator Holder
Upgrade your precision measurement setup with this 8mm diameter steel half-round combination test rod — the ideal extension accessory for dial indicator holders. Designed for machinists, toolmakers, and workshop professionals, this rod connects seamlessly with dial gauge instruments to help you locate the center of shafts or holes on machine tools with accuracy and ease.
Made in Mainland China.
Key Features
- Precision Fit: 8mm diameter rod is engineered for direct compatibility with standard dial indicator holders and dial gauges, ensuring a secure, wobble-free connection.
- High-Quality Steel Construction: Crafted from durable, high-grade steel with a blackening surface treatment for enhanced corrosion resistance and long service life.
- Half-Round Design: The half-round profile is specially suited for centering shafts and holes on machine tools — a must-have for precise workshop applications.
- Versatile Compatibility: Works with dial test indicator holders fitted with stems or dovetails, making it a flexible addition to your measuring toolkit.
- Simple to Use: No complex setup required — attach and get straight to your measurement work with minimal downtime.
Specifications
| Quantity | 1 pc |
| Diameter | 8 mm |
| Material | High-quality steel |
| Surface Treatment | Blackening process |
| Application | Dial indicator / dial gauge holder extension |
Package Contents
- 1 × 8mm Half-Round Combination Test Rod
Note: Actual product color may vary slightly from photos due to lighting conditions. Minor dimensional deviations may occur during measurement.
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Frequently Asked Questions
Q: What instruments is this 8mm half-round combination test rod compatible with?
A: This rod is designed to work with standard dial indicator holders and dial gauges. It is compatible with holders fitted with stems or dovetails, making it a versatile extension tool for a wide range of precision measuring instruments used in machining and metalworking.
Q: What is the surface treatment on this steel test rod, and why does it matter?
A: The rod undergoes a blackening treatment process, which improves its surface hardness, provides resistance to corrosion, and extends its overall service life — keeping it in reliable working condition even in demanding workshop environments.
Q: What is the half-round combination rod used for in practice?
A: The half-round profile makes it especially suited for finding and centering the axis of a shaft or hole on a machine tool. When paired with a dial indicator, it enables machinists and toolmakers to achieve accurate centering quickly and efficiently.