HOLTEST inside micrometer with three-point contact

• With ratchet
• Reading parts matt chrome-plated
• Measuring faces offset 120°
• Type A 508102/508106: Measuring faces and taper made from hardened steel, contact point: Carbide
• Type B 508104/508108: Measuring faces: up to size 0012, titanium-coated carbide; from size 0016, titanium-coated measuring pins made from hardened steel. Contact point and taper: Carbide
• Scale barrel Ø: up to 12 mm measurement range = 17 mm, above 12 mm measurement range = 23 mm
• Readings: up to 12 mm measurement range = 0.001 mm, above 12 mm measuring range = 0.005 mm
• Supplied in a case with screwdriver and key for extension assembly
• Accessories: Ring gauges no. 540135...., extensions no. 508701....

Sets

• With ring gauges, extension, key and wrench, with factory certificate for the three-point inside micrometers, in a wooden box
• Calibration including ring gauges, reduced testing