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Mitutoyo 150-802 micrometer head, steel body, chrome finish, 0-25 mm range

Mitutoyo

Mitutoyo 150-802 Micrometer Head 0-25 mm Steel

SKU CH-C896-9F1JR

Mechanical micrometer head measures 0–25 mm with 0.01 mm resolution and 0.002 mm accuracy, featuring a 6.35 mm steel spindle, ratchet thimble and spindle lock

  • Precise 0–25 mm range with 0.01 mm resolution
  • Fine 0.001 mm vernier reading for detailed work
  • ±0.002 mm accuracy meets JIS B 7502 standard
  • Ratchet thimble gives repeatable measuring force
  • 35 mm steel spindle with spherical tip ensures durability

Mitutoyo 150-802 Micrometer Head 0-25 mm

The Mitutoyo 150-802 is a mechanical micrometer head with a 0 to 25 mm measuring range. It suits engineers and machinists who need precise linear positioning or dimensional verification in fixtures and instruments. The spindle is made of steel with a spherical tip and 6.35 mm diameter. A ratchet thimble and spindle lock provide controlled measurement force and secure reading retention.

Mechanical resolution and accuracy limits

The instrument reads to 0.01 mm or 0.001 mm with a stated accuracy of 0.002 mm. These figures define the practical limit for repeatable positioning tasks using the mechanical scale. The chrome finish on the scale aids legibility, while the rotating spindle moves smoothly within the 3/8 inch mounting hub. No electronic output or data connection is fitted, so readings remain visual only.

Replaces vernier or non-ratchet heads

This head upgrades from basic vernier micrometer heads that lack a ratchet stop or spindle lock. The jump is worth it when consistent measuring force and locked settings reduce operator error in repeated setups. It does not suit applications requiring digital readout, sub-micron resolution, or automated data collection. The JIS B 7502 compliance confirms standard mechanical performance.

Highlights

  • Precise 0–25 mm range with 0.01 mm resolution
  • Fine 0.001 mm vernier reading for detailed work
  • ±0.002 mm accuracy meets JIS B 7502 standard
  • Ratchet thimble gives repeatable measuring force
  • 35 mm steel spindle with spherical tip ensures durability

Specifications

BrandMITUTOYO

Questions about this item

Which travel length should I choose for the Mitutoyo 150-802?

This model provides a single 25 mm travel length; no other range is offered for this part number.

What does the 0.002 mm accuracy figure mean in daily use?

It indicates the maximum permissible error across the 25 mm range, so any reading should fall within two thousandths of a millimetre of the true dimension.

What standard governs this micrometer head and what does it cap?

It conforms to JIS B 7502, which defines the design, testing methods and accuracy requirements for metric micrometer heads.

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