Description

21-900-6 SPI Hole Mike Set .500″ – .800″ w/ Cert

SPI Hole Mike 3-Point Internal Micrometer Set

Specifications Include…

• 0.500″ – 0.800″ Measuring Range
• 0.0002″ Readings
• 2.36″ Measuring Depth
• Includes Setting Rings
• Includes Certificate of Calibration
• Includes 6″ Depth Extension

Features include…

• Three point internal micrometer for precise, direct measurement of bore diameters.
• Self aligning and self centering
• Carbide measuring anvils
• Suitable to measure to within .050″ of bottom of blind hole, up to 4″ capacity
• Feelers taper toward the back for positive reading of the front edge
• Ratchet stop provides uniform measuring pressure