Mahr 4478250KAL 844 Dkr Indicating Plug Gage, Nominal Value 3.99 mm

Features and Application:

• With extended guide cylinder for measuring through holes from the edge of the hole
• For the rapid testing of diameter, roundness and conicity of bores
• Especially suitable for testing batches with tight tolerances (for tolerances 10microm on request)
• Rocking in the bore is unnecessary to determine the reversal point
• Ideal for use in conjunction with digital display units and for subsequent processing of measured values
• Measuring head has a hardened chromium plated cylinder guide and carbide tipped anvils
• The carbide expanding pin transfers radial movement to indicating instrument
• Constant measuring force as a result of built-in spring, eliminating user influence
• Extensive modular system is composed of measuring head, holder, depth extension, right angle attachments and depth stops