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Specialty Micrometers
Available279 products
Specialty micrometers are used for specific jobs like measuring the inside and outside dimensions of tube thickness, gear teeth, pitch diameter of fasteners, and for measuring sheet metal thickness. Specialty micrometers have standard vernier or digital displays, but the size, shape, and orientation of the jaw, spindle, and anvil vary.
Spherical Face Micrometers
Spherical face micrometers, also known as round or rounded face micrometers, have a standard outside micrometer body, thimble, and C-shaped jaw. Both contact faces are rounded, and they are commonly used to take measurements of rounded features.
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Adjustable-Collar & Interchangeable-Anvil Outside Micrometers
Interchangeable anvil outside micrometers have a standard micrometer C-shaped jaw and stock, but have anvils that can be changed to accommodate a range of applications. These micrometers are commonly used in machine shops, automotive repair shops, and for applications requiring a single micrometer with a range greater than 1”. Similarly, adjustable-collar micrometers are outside micrometers with an extension anvil collar and included setting standards to accomodate variable measuring lengths within a given range larger than a standard outside micrometer.
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Disc Micrometers
Disc micrometers measure the thickness of work sections like ribs, lands, fins, cutting edges on form tools, and the thickness of gear teeth. With their large anvil and spindle faces, they are also used for measuring thin sheets of materials like paper, cardboard, rubber, and plastics.
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Sheet Metal Micrometers
Sheet metal micrometers, also called deep jaw micrometers, take thickness measurements of sheet metal, paper, plastic, and rubber parts. These micrometers have a standard stock with thimble actuation, but have a deep, narrow jaw with a flat measuring face that is paired with a round or flat anvil.
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Point Micrometers
These point micrometers resemble standard micrometers with C-shaped jaws, stock, and thimble but the measuring faces on the spindle and anvil come to sharp points. These smaller and pointed contact points are used to measure small grooves, recesses, and other tight spaces on a workpiece where a standard micrometer can’t be used. They are also used for making quick comparisons of thread accuracy in screw cutting applications.
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Can Seam Micrometers
Can-seam micrometers are used for measuring and inspecting the depth and thickness of aluminum, steel, and aerosol can seams. These micrometers have a shallow jaw with a steel nib that touches the inner seam of a can and a flat cylindrical spindle that is adjusted to touch the outer seam of a can and a measurement is taken.
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Blade Micrometers
Blade micrometers have non-rotating spindles with flat blades for contact points. They have a standard micrometer body, thimble, and C-shaped jaw. They take accurate measurements of circular form tools, diameter and depth readings of narrow grooves, slots, keyways, recesses, and depths between lands and fins.
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Crimp Height Micrometers
Crimp height micrometers have a standard micrometer body and jaw with specialized measuring faces that are used to determine the height of crimp contacts. The anvil is used to support and position the top of the crimp while the pointed spindle is adjusted until it contacts the bottom of the radial surface. They are commonly used for measuring electrical components and plastic parts.
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Tube Micrometers
Tube micrometers take thickness measurements of wall tubing and are used for measuring from a hole to an edge. These micrometers have a flat spindle paired with a cylindrical anvil that extends perpendicular to the spindle for a slim, rounded face used for the inside of small rounded features.
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Multi-Anvil Micrometers
Multi-anvil micrometers are built with a unique jaw to take measurements that are not possible with standard micrometers. They are commonly used for measuring the wall thickness of tubing, cylindrical walls, and the thickness of screw heads.
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V-Anvil Micrometers
V-anvil micrometers take measurements of the outside diameter of cutting tools. They have a standard micrometer stock and thimble paired with a specialty jaw and anvil. These micrometers are commonly used to measure odd-fluted taps, cutters, reamers, and also check out-of-roundness from centerless grinding or other machining operations.
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Screw Thread Micrometers
Screw thread micrometers have a standard stock with adjustable thimble actuation, but have a jaw with a cylindrical spindle that comes to a point with a double V-shaped anvil. This specialty micrometer allows users to accurately measure the pitch diameter of a screw.
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Groove Micrometers
Groove micrometers have a flanged spindle for measuring the width, depth, and location of grooves on the inside and outside of bore holes and tubes. These micrometers have a main vernier scale with two separate graduations for taking inside and outside measurements. They are commonly used in light and heavy manufacturing where workpieces have grooves.
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Spline Micrometers
These spline micrometers take measurements of splined shafts, slots, and keyways. They have a standard jaw and body design, but are built with small-diameter cylindrical measuring faces. They have a thimble that adjusts the faces so they contact the features being measured.
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Disk Brake Micrometers
Disc brake micrometers, also known as disk brake micrometers, have a standard stock and thimble but are built with a deeper, squared-off jaw to accommodate large brake discs. They have a cylindrical spindle with a flat face and a pointed, V-shaped anvil that is used to determine the depth of the grooves on a brake rotor. These micrometers are used in automotive maintenance and operations to measure the wear grooves in disc automotive brake systems.
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Hub Micrometers
Hub micrometers measure the hub and shoulder thickness of inside bore holes. These micrometers have a specially designed shallow frame so they can easily pass through small holes. They are commonly used in automotive and light and heavy manufacturing applications where hubs are manufactured and inspected.
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Limit Micrometers
Limit micrometers have a standard C-shaped jaw, but are designed with two sets of heads, spindles, and anvils. They also have two thimbles that can be adjusted independently. These tools are commonly used as Go/No-Go gauges.
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Wire Micrometers
Wire micrometers take measurements of small wires and other round pieces. They have a standard micrometer stock with thimble actuation paired with a unique jaw and anvil design. The cylindrical spindle has a flat measuring face and the anvil also has a flat cylindrical face. They have a flat back so they can sit flush on a bench or table without a stand or clamp.
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Ball Anvil Micrometers
Ball anvil micrometers have a standard micrometer body, thimble, C-shaped jaw, and flat spherical spindle, but are built with a rounded ball anvil for measuring rounded features. The rounded anvil is used to contact the inside curved surface of a feature while the flat spindle is used for contacting the outside to produce a single point of contact. These micrometers are commonly used to measure the wall thickness of parts like solid and split bearings, tubing, sleeves, collars, rings, various cylinders, and for measuring from the inside of a hole to an edge.
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