Micrometers Sets – Digital, Inside & Outside

Outside - Metric

Outside - Metric
Outside - Imperial

Outside - Imperial
Outside - Micrometer Sets

Outside - Micrometer Sets
Outside - Interchangeable Anvils

Outside - Interchangeable Anvils
Outside - Digit

Outside - Digit
Outside - Digital

Outside - Digital
Outside - Digital Disc

Outside - Digital Disc
Outside - Digital Universal

Outside - Digital Universal
Outside - Disc Brake

Outside - Disc Brake
Outside - Indicator Snap

Outside - Indicator Snap
Outside - Jaw Micrometers

Outside - Jaw Micrometers
Outside - Screw Thread

Outside - Screw Thread
Outside - Uni

Outside - Uni
Outside - Depth

Outside - Depth
Inside - Rod Type

Inside - Rod Type
Inside - Caliper Jaw Type

Inside - Caliper Jaw Type
Inside - Groove

Inside - Groove
Inside - 3-Point

Inside - 3-Point
Inside - Tube Type

Inside - Tube Type
Inside - 3-Point Digital

Inside - 3-Point Digital
Inside - 3 Point Small

Inside - 3 Point Small
Micrometer Stands

Micrometer Stands
Setting Standard - Outside Micrometers

Setting Standard - Outside Micrometers
Setting Standard - Screw Thread Micrometers

Setting Standard - Screw Thread Micrometers
Anvil Sets - Suits Screw Thread Micromters

Anvil Sets - Suits Screw Thread Micromters
Outside - Spindle Head

Outside - Spindle Head

Buy Digital & Inside Micrometers Online

The micrometer range caters to a very wide array of measurement requirements and precision needs. Whether you’re working in mechanical engineering, machining, metrology, or lab-based quality control, HK Calibrations offers a broad collection of micrometers. The selection includes classic analog (manual) versions and modern digital models, with both external (outside) and internal (inside) measuring tools. They also offer specialized types (groove, tube, 3-point, etc.), metric and imperial units, interchangeable anvils, and setting standards.

Key Benefits and Uses of Micrometers

Micrometers are precision instruments designed for measuring small dimensions with high accuracy, often down to 0.001 mm or 0.0001 inch. The primary benefits include:

  • High Accuracy & Repeatability: Their screw-gauge mechanism offers extremely fine measurement resolution compared to calipers or rulers.

  • Consistency in Quality Control: Ideal for ensuring parts meet tight tolerances in manufacturing and inspection.

  • Specialized Designs for Various Tasks: Outside micrometers measure thickness or external diameters, while inside micrometers measure internal diameters. There are also depth micrometers, disc micrometers for narrow lands, and 3-point bore micrometers for roundness checks.

  • Durability: Many models feature hardened steel, carbide tips, and sealed electronics (in digital versions) for long-term reliability.

  • Ease of Reading: Digital micrometers reduce parallax error and speed up readings; some even store data or connect to PCs.

How Micrometers Work

A micrometer uses a calibrated screw mechanism to convert small spindle movements into precise readings. Turning the thimble moves the spindle toward or away from the anvil, and the scale (analog or digital) shows the exact measurement.

How to Choose the Right Micrometer Tool Online

Select based on the measurement type (inside, outside, depth), required range, and preferred readout (digital for ease, analog for simplicity). Consider unit system (metric/imperial), accuracy level, and whether interchangeable anvils or calibration standards are needed.

Industry Applications

Micrometers are widely used in mechanical engineering, automotive, aerospace, metal fabrication, manufacturing, laboratories, and toolmaking—anywhere exact dimensional accuracy is critical.