Spi Z9300 Micrometer Ball Anvil 0.2 Inch Chrome-plated

Product Description

The SPI Z9300 is a ball-type replacement anvil designed for use with outside micrometers. The anvil features a chrome-plated steel ball with a 0.2-inch diameter, providing a precise contact point for accurate outside measurements. Technicians and machinists use replacement anvils when the original contact surface shows wear, damage, or when a ball-style anvil is needed for measuring curved or contoured surfaces. This is a direct accessory component that drops into compatible outside micrometer frames without modification.

The Z9300 suits applications where a standard flat anvil does not provide reliable contact geometry, such as measuring wire diameter, tubing wall thickness on curved surfaces, or other round-stock measurements. It is commonly used in machine shops, maintenance environments, and precision measurement settings where outside micrometers are part of standard tooling. The chrome-plated finish resists corrosion and helps maintain surface integrity over repeated use.

Key Features

• Ball-type anvil geometry for accurate contact on curved and contoured surfaces
• 0.2-inch anvil diameter for precise measurement applications
• Chrome-plated finish for corrosion resistance and surface durability
• Steel ball construction for long-term dimensional stability
• Sold as a single replacement unit

Compatibility

Designed for use with outside micrometers. Verify anvil diameter and thread specifications match your micrometer frame before installation.

Installation Notes

Installation is typically performed by machinists or precision measurement technicians. Before replacing the anvil, ensure the micrometer is clean and the spindle is fully retracted. Use only hand tools appropriate for micrometer servicing to avoid damaging the frame or spindle threads. After installation, verify calibration against a known standard before returning the instrument to service.