SPI 3-Point Hole-Mike Inside Micrometer, 3.5 – 4.0mm
14-319-8

3.5 to 4mm, 16mm Gage Depth, Mechanical Inside Hole Micrometer

0.001mm Graduation, 0.002mm Accuracy, Ratchet Stop Thimble

Features:

• 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 and assures highest reading accuracy

Specifications:

See all SPI 3-Point Hole-Mike Inside Micrometers Sets