QFC01 Inside Micrometer, 5–30mm or 25–50mm
Check a suitable bore or internal opening before judging a component's fit. The QFC01 inside micrometer provides a mechanical reading in separate 5–30mm and 25–50mm options. It is for workshop users who need internal measurements and can check the tool's reference setting.
- ✅ Measure within a suitable opening — Outward-facing contacts reach internal surfaces.
- ✅ Use more consistent contact pressure — A ratchet thimble assists controlled measuring force.
- ✅ Read the setting at the bench — The satin-chrome scale gives a visible mechanical reference.
- ✅ Keep the tool together after use — The supplied case stores the micrometer and its accessories.
Choose the internal range before measuring
Select 5–30mm or 25–50mm according to the opening you need to measure. The options are separate instruments, not a pair. Check that the jaw geometry can reach the required surface as well as checking the numerical range.
The non-rotating spindle and ratchet help with controlled contact. Clean the measuring faces, check the reference using the appropriate setting ring and align the contacts correctly. The stated 0.01mm graduation is not an independently certified accuracy guarantee.
The illustrated package contains the selected micrometer, matching setting ring and adjustment spanner, with a case. Case style may vary between wood and plastic. No battery is required.
A case keeps the selected tool and accessories together.
Check the reference with the matching setting ring.
The two ranges are separate options.
The contacts measure suitable internal openings.
The 5–30mm option covers smaller openings.
The thimble and contacts provide mechanical adjustment.
A setting ring and adjustment spanner are illustrated.
Choose the smaller range only if it contains the required dimension.
The 25–50mm option includes a corresponding illustrated ring.
Technical details
- Model: QFC01
- Type: mechanical inside micrometer
- Range options: 5–30 mm or 25–50 mm
- Graduation stated: 0.01 mm
- Spindle: non-rotating, stated
- Scale finish: satin chrome
- Measuring faces: tungsten carbide, stated
- Contact control: ratchet thimble
- Package illustrated: selected micrometer, setting ring, adjustment spanner and case
- Power: manual; no battery required
Choose the range for your opening and add a controlled internal fit check to your workshop.
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