Stainless Steel Inside Micrometer Screw Gauge Metric Measuring Vernier Caliper Gauge Measuring Tool

Description Stainless Steel Inside Micrometer Screw Gauge Metric Measuring Vernier Caliper Gauge Measuring ToolSpecifications Product NameInside Micrometer ScrewMaterialStainless SteelTungsten Carbide Measuring FacesSatin Chrome FinishModel 1 5 30MM 2 25 50MM 3 50 75MM 4 75 100MM optional Range5 30mmGraduation0 01mmAccuracy0 005mmColorSilverQuantity1 Pc Inside Micrometer ScrewFeatures High quality alloy measuring heads can be used for various internal size measurement fine workmanship and no burr Clear laser marking line for convenient reading The main micrometer body is ade of stainless steel with chrome plated surface wear resisting and durable Designed with locking device precise machinery structure make it more intuitive and convenient to read Built in ratchet shop device ensures accurate repetitive readings Zeroing Clean the surface of measuring anvil heads with a soft cloth then rotate measuring device to make two measuring surface contact If two zero lines of differential sleeve and fixed barrels do not alignment use the following two methods to adjust Method 1 If the error is less than 0 02mm 0 001 use ratchet stop to lock screw tightly then use wrench to pull fixed barrels till two zero lines alignment Method 2 If the error is greater than 0 02mm 0 001 Step1 use ratchet stop to lock screw tightly then use wrench to loosen the ratchet stop and remove differential sleeve Step2 re align zero lines of fixed barrels and different