Mitutoyo 511-853 Micrometer Head Bore Gauge, Range 2.4 - 4.0", Graduation .0001"

Genuine Mitutoyo stock · Fast Kuwait-wide delivery

Model No. 511-853

General Tech Services LLC — Genuine Mitutoyo Distributor, Kuwait +965 9807 4888

The Mitutoyo 511-853 micrometer head bore gauge measures large internal diameters from 2.4"–4" (60.96–101.6 mm). A micrometer head mounted on the anvil lets you set the size directly without needing a setting ring for every dimension. Request a quote in under a minute: call or WhatsApp +965 9807 4888.

Product Overview

The Mitutoyo 511-853 is designed for accurate large-bore measurement where setting a conventional dial bore gauge with a matching-size setting ring can be inconvenient. Its micrometer head is mounted on the anvil, allowing the required dimension to be set conveniently and accurately at the bench.

The gauge has a longer plunger stroke while maintaining its original precision. A carbide contact point provides wear resistance, while the large sponge-structure grip reduces heat transfer from the operator's hand by 50% to help maintain measurement stability.

Sub-anvils provide a wide measuring range, and optional extension rods allow measurements in deeper holes. An optional setting ring or Inside Micro Checker can be used as an inside-length standard to confirm the setting.

Typical applications include engine cylinders, pump casings, valve bodies and large bearing housings. The Mitutoyo 511-853 is suitable for oil and gas maintenance workshops, refinery and petrochemical shutdown crews, CNC machine shops, quality-control teams and engine or pump rebuild operations in Kuwait.

Temperature control is important when making precision bore measurements. Steel expands by approximately 11.5 μm per metre for every 1°C. For a 101.6 mm part, a 10°C temperature difference can change the dimension by roughly 11.7 μm. Allow both the workpiece and gauge to reach the same temperature before taking a final reading.

For a larger bore range, the Mitutoyo 511-854 covers 4"–6.4".

Key Benefits

• Self-centring guide helps align the gauge with the true bore diameter.

• Carbide contact point provides long wear life.

• Heat-insulating sponge-structure grip reduces heat transfer from the hand by 50%.

• Micrometer head setting allows large sizes to be set without a matching-size ring.

• Optional extension rods support deep-hole measurements.

• Sub-anvils provide a broad measuring range.

• 0.0001" graduation supports fine bore measurement.

• Mitutoyo 511 series design for repeatable large-bore inspection.

Who This Product Is Best For

• Machine shops checking engine cylinders and large internal bores.

• QC teams measuring bore size, taper and ovality.

• Maintenance teams working on industrial machinery.

• Engine, pump and hydraulic rebuild workshops.

• Oil and gas maintenance contractors.

• Refinery and petrochemical shutdown teams.

• CNC machining operations requiring repeatable bore checks.

• Buyers standardising on the Mitutoyo 511-853 for routine large-bore inspection.

How to Use

1. Fit the appropriate anvil or washer combination for the nominal bore size.

2. Set the gauge to zero against a setting ring or master using the micrometer head.

3. Insert the gauge into the bore and gently rock it through the diameter.

4. Read the turning point on the indicator and record the deviation from nominal.

5. Repeat measurements at different depths and positions to check for taper and ovality.

6. For final inspection, allow the gauge and workpiece to stabilise at the same temperature.

Frequently Asked Questions

What range does the Mitutoyo 511-853 micrometer head bore gauge measure?

It measures internal diameters from 2.4"–4" (60.96–101.6 mm).

Is a dial indicator included?

Yes, it is supplied with a 0.0001" indicator.

Do I need a setting ring?

The micrometer head mounted on the anvil allows you to set the size directly. A setting ring or Inside Micro Checker is optional for confirmation.

Why does the grip matter?

Heat from the operator's hand can affect precision measurements. The larger sponge-structure insulating grip reduces heat transfer from the hand by 50%, helping maintain measurement stability.

Which model should I choose if my part is outside 2.4"–4"?

Choose a Mitutoyo 511 series model whose measuring range covers the required bore size. The 511-853 covers 2.4"–4", while the 511-854 covers 4"–6.4".

Can it be recalibrated?

Yes. The Mitutoyo 511-853 can be recalibrated periodically through an ISO/IEC 17025-accredited calibration service to help maintain traceable measurements.

How should I store and care for it?

Clean the measuring faces after use, store the instrument in its case away from direct sunlight and coolant, and avoid dropping it. Check zero before each shift and arrange periodic calibration to maintain measurement traceability.

How do I order the Mitutoyo 511-853 micrometer head bore gauge in Kuwait?

Pricing is quote-based. Call or WhatsApp +965 9807 4888 with the model number and required quantity, and our Kuwait team will confirm pricing and availability.

Request Pricing & Availability

For current pricing and availability of the Mitutoyo 511-853 micrometer head bore gauge in Kuwait, contact General Tech Services LLC.

Call or WhatsApp +965 9807 4888 for a fast quotation.