Deep-Throat Micrometers | McMaster-Carr

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Coolant Resistant

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228 Products

Outside Micrometers

Digital Outside Micrometers

Digital Outside Micrometers

Read measurements at a glance from the display—available with certificates traceable to NIST

Outside Micrometers

Outside Micrometers

Your classics, balancing precision with durability—available with certificates traceable to NIST

Outside Micrometer Sets

Outside Micrometer Sets

Stock up your shop so you always have the measuring range you need

Laser Outside Micrometers

Laser Outside Micrometers

Automate quality control with a laser that scans 1,600 times per second

Coolant-Resistant Digital Outside Micrometers

Coolant-Resistant Digital Outside Micrometers

Measure parts inside CNC machines and other places coated with coolant and cutting oil

Coolant-Resistant Digital Outside Micrometer Sets

Coolant-Resistant Digital Outside Micrometer Sets

Keep a collection of digital micrometers handy to measure parts of different sizes

High-Precision Digital Outside Micrometers

High-Precision Digital Outside Micrometers

The most precise digital micrometers on the market, with increments of five millionths of an inch

4-Way-Reading Digital Outside Micrometers

4-Way-Reading Digital Outside Micrometers

Take measurements with either hand, upside down, or right side up

Wide-Range Digital Outside Micrometers

Wide-Range Digital Outside Micrometers

Measure parts of different sizes and quickly view readings with a single tool

Coolant-Resistant Wide-Range Digital Outside Micrometers

Coolant-Resistant Wide-Range Digital Outside Micrometers

Check different-sized parts as you machine them without swapping between tools

Wide-Range Outside Micrometers

Wide-Range Outside Micrometers

Switch out the anvil to measure parts of different sizes

Long-Reach Digital Outside Micrometers

Long-Reach Digital Outside Micrometers

At a glance, find the thickness of sheet metal and other long, flat parts near their center

Coolant-Resistant Long-Reach Digital Outside Micrometers

Coolant-Resistant Long-Reach Digital Outside Micrometers

Take thickness measurements of long, flat parts right inside CNC machines

Long-Reach Outside Micrometers

Long-Reach Outside Micrometers

Measure the thickness of sheet metal and other long, flat parts near their center

Digital Outside Micrometers for Curved and Flat Surfaces

Digital Outside Micrometers for Curved and Flat Surfaces

Swap between two anvils to view curved and flat surface measurements with the same screen

Outside Micrometers for Curved and Flat Surfaces

Outside Micrometers for Curved and Flat Surfaces

Swap between two anvils to measure curved and flat surfaces

Digital Outside Micrometers for Pipe and Tubing

Digital Outside Micrometers for Pipe and Tubing

At a glance, measure the thickness of pipe and tube walls

Outside Micrometers for Pipe and Tubing

Outside Micrometers for Pipe and Tubing

Measure the thickness of pipe and tube walls

Digital Outside Micrometers for Small Holes, Grooves, and Keyways

Digital Outside Micrometers for Small Holes, Grooves, and Keyways

The display shows readings at a glance while the pencil-thin points slip into narrow spaces

Outside Micrometers for Small Holes, Grooves, and Keyways

Outside Micrometers for Small Holes, Grooves, and Keyways

Thin as a pencil point, the anvil and spindle slip into narrow spaces

Digital Outside Micrometers for Gears

Digital Outside Micrometers for Gears

With an easy-to-read screen, measure gears so they fit perfectly

Outside Micrometers for Gears

Outside Micrometers for Gears

Measure gears so they fit perfectly in your system

Digital Outside Micrometers for End Mills, Taps, and Reamers

Digital Outside Micrometers for End Mills, Taps, and Reamers

Find the outer diameter of cutting tools with three flutes

Digital Outside Micrometers for Soft Materials

Digital Outside Micrometers for Soft Materials

Measure delicate and pliable workpieces without scratching or distorting them

Outside Micrometers for Thin Materials

Outside Micrometers for Thin Materials

Avoid ripping and wrinkling paper-thin materials as you measure

Digital Outside Micrometers for Wire Crimps

Digital Outside Micrometers for Wire Crimps

Measure crimp height to make sure there are no gaps between wires

Outside Micrometers for Tolerance Checking

Outside Micrometers for Tolerance Checking

Confirm parts are within tolerance without twisting the thimble each time

Outside Micrometers for Can Seams

Outside Micrometers for Can Seams

Inspect can seams to make sure they won't leak

Outside Micrometers for Screw Threads

Outside Micrometers for Screw Threads

Make sure screws fit precisely in threaded holes

Other Products

Micrometer Speeder Knobs

Micrometer Speeder Knobs

Color code micrometers by calibration date, precision, or other criteria

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)