DIATEST Split-Ball Measuring Head 0.8/0.01 - 0.8 mm Diameter, 0.01 mm Resolution

The DIATEST Split-Ball Measuring Head 0.8/0.01 is a precision interchangeable measuring head designed for accurate internal diameter measurements. Featuring a split-ball (2-point contact) measuring principle, this head is ideal for measuring small bores from 0.75 to 0.85 mm with high repeatability. It is compatible with DIATEST bore gauge handles and indicators, making it a versatile component for quality control and metrology applications.

Advantages

High precision with <1 µm repeatability; self-centering design ensures reliable measurements; hardened tool steel contact points with lapped and polished surface finish for durability and accuracy; easy threaded connection for quick interchangeability.

Suitable for

• Precision internal diameter measurement of small bores
• Quality control in manufacturing and machining
• Use with DIATEST bore gauge handles and indicators (e.g., DIA-COM series)

Key specifications

• Measuring Principle: Split-Ball (2-point contact)
• Nominal Measuring Diameter: 0.8 mm
• Measuring Range: 0.75 - 0.85 mm
• Compatibility: DIATEST Bore Gauge Handles & Indicators
• Material of Contact Points: Hardened Tool Steel
• Connection Type: Threaded (Standard DIATEST)
• Accuracy / Repeatability: < 1 µm (system dependent)
• Recommended Indicator Resolution: 0.01 mm
• Surface Finish of Contact Points: Lapped and Polished
• Operating Temperature Range: +10°C to +40°C
• Design Feature: Self-centering
• Series: DIATEST Split-Ball Probe Series

Recommendations

For optimal performance, calibrate the measuring head with a master setting ring. Use with a compatible DIATEST bore gauge handle and indicator with 0.01 mm resolution. Ensure operating temperature within +10°C to +40°C for best accuracy.