8mm Steel Half-Round Rod for Dial Indicator Holder Extension

8mm Steel Half-Round Combination Rod for Dial Indicator Holders

Expand the reach and versatility of your dial gauge setup with this precision-engineered 8mm Half-Round Combination Test Rod. Crafted from high-quality blackened steel, this extension rod is designed to connect seamlessly with standard dial indicator holders, making centering work on machine tools accurate and efficient.

Key Features

• Universal Compatibility: Fits standard dial indicator and dial test indicator holders with 8mm stem connections. Compatible with both stem-type and dovetail-equipped test indicators.
• High-Quality Steel Construction: Made from durable hard steel with a blackening surface treatment for corrosion resistance and long service life.
• Half-Round Profile: The unique half-round shape is purpose-built for finding the center of shafts or holes on machine tools with precision and ease.
• Versatile Application: Ideal for machinists, toolmakers, and engineers who require reliable extension connectivity for dial gauges in workshop and production environments.
• Simple to Use: Straightforward connection to your existing dial indicator holder — no special tools required.

Specifications

• Diameter: 8mm
• Material: High-quality steel
• Surface Treatment: Blackening
• Quantity: 1 piece
• Application: Dial indicator / dial test indicator holder extension

Package Contents

• 1 × 8mm Half-Round Combination Test Rod

Made in Mainland China.

Please Note: Actual product color may vary slightly from photos due to lighting conditions. Minor dimensional tolerances may apply.

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Frequently Asked Questions

Q: What diameter is this half-round combination test rod?

A: This test rod has an 8mm diameter, making it compatible with standard dial indicator holders and dial test indicator holders that accept an 8mm stem connection.

Q: What is the rod made of and how is it treated?

A: The rod is constructed from high-quality hard steel and undergoes a blackening surface treatment, which enhances its durability and provides resistance against corrosion for long-term workshop use.

Q: What is the half-round design used for?

A: The half-round profile is specifically designed for centering applications — such as locating the center of a shaft or hole on a machine tool — when used in conjunction with a dial indicator or dial test indicator.

Q: Is this rod compatible with dovetail-style indicators?

A: Yes, this holder extension is versatile and suitable for use with test indicators equipped with either stems or dovetails, offering broad compatibility across common gauge instrument setups.