• Outside micrometer with choice of measuring range and flat anvil/spindle pair for general purpose measuring.
• Vernier scale has microfine 0.0001" graduations and accuracy of 0.0001" for precise readings.
• Hardened, precision-ground, and carbide-tipped anvil and spindle have 0.256" measuring faces with micro-lapped finish, 0.00003" flatness and 0.00005" parallelism for accurate measurements.
• Friction or ratchet-stop thimble provide exact and repetitive readings.
• Satin chrome finish on thimble and sleeve helps resist rust and reduce glare; 1 year full warranty offered by Fowler High Precision, an American company.

Size:4-5" Style:52-240-005-1 Range: 0-1" | Resolution: 0.0001" | Part Number: 52-240-001-1 Fowler 52-240 series Vernier-scale micrometers have a choice of measuring range and a 0.256" diameter flat anvil/spindle pair for general purpose measuring. The Vernier scale has 0.0001" graduation intervals and 0.0001" accuracy for precise and accurate readings. The anvil/spindle pair have hardened, precision-ground, and micro-lapped measuring faces with 0.00003" flatness. The positive locking lever on the spindle locks measurements in place for accurate readings and the zero adjustment on the sleeve ensures accurate measurements. Friction thimble with ratchet stop applies constant force for repeatability between users. Friction-style thimbles are suitable for one-handed operation and stop turning when the spindle comes into contact with the workpiece, providing constant force for consistent measurements between operators. The ratchet-stop thimble can be used independently of the friction thimble. It provides an audible sound and stops the spindle from turning when the spindle comes into contact with the workpiece, providing constant force for consistent measurements between operators. A satin chrome finish on the thimble and sleeve helps reduce rust and glare, providing long life, and microfine graduations help ensure accurate readings. The micrometer includes a wrench and fitted case. Micrometers 2" and above include a standard. This product has 1 year full warranty offered by Fowler High Precision, an American company. If you experience any problem contact Fowler directly for warranty cls. Specifications Display type Vernier scale Anvil/spindle style Flat Measuring range 4-5" Graduation interval 0.0001" Accuracy 0.0001" Thimble style Ratchet Anvil/spindle diameter 0.256" Flatness 0.0003" Micrometers are precision measuring instruments that use a calibrated screw to measure distances. These measurements are translated into large rotations of the screw that are then able to be read from a scale or a dial. Micrometers are typically used in manufacturing, machining, and mechanical engineering. There are three types of micrometer: outside, inside, and depth. Outside micrometers may also be called micrometer calipers, and are used to measure the length, width, or outside diameter of an object. Inside micrometers are typically used to measure interior diameter, as in a hole. Depth micrometers measure the height, or depth, of any shape that has a step, groove, or slot. operators. A satin chrome finish on the thimble and sleeve helps reduce rust and glare, providing long life, and microfine graduations help ensure accurate readings. The micrometer includes a wrench and fitted case. Micrometers 2" and above include a standard. This product has 1 year full warranty offered by Fowler High Precision, an American company. If you experience any problem contact Fowler directly for warranty cls. Specifications Display type Vernier scale Anvil/spindle style Flat Measuring range 4-5" Graduation interval 0.0001" Accuracy 0.0001" Thimble style Ratchet Anvil/spindle diameter 0.256" Flatness 0.0003" Micrometers are precision measuring instruments that use a calibrated screw to measure distances. These measurements are translated into large rotations of the screw that are then able to be read from a scale or a dial. Micrometers are typically used in manufacturing, machining, and mechanical engineering. There are three types of micrometer: outside, inside, and depth. Outside micrometers may also be called micrometer calipers, and are used to measure the length, width, or outside diameter of an object. Inside micrometers are typically used to measure interior diameter, as in a hole. Depth micrometers measure the height, or depth, of any shape that has a step, groove, or slot. Fowler, an American company, manufactures inspection and measurement instruments such as electronic indicators, calipers, bore gages, and digital scales. The company, founded in 1946, is headquartered in Newton, MA. 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