Industrial Tools

Tramontina PRO Capacity 30-40 mm 3 points internal micrometer

Code 44541005

The 3 point high precision internal micrometer is used to measure holes, and due to the shape of its ends, it is even suitable to measure blind holes. During use, the instrument measures 3 contact points on the wall, making the operation easy and increasing accuracy compared to instruments with 2 contact points. This is made possible due to the measuring pins being positioned at a 120° distance. With a stainless steel and cooper body, a chrome-plated finish, and carbide tips measuring faces and ratchet, it includes a setting ring, wrenches, an extension rod, and an aluminum case. Ideal for professionals who refuse to compromise precision and quality.

Product features

Main Functions and Benefits Stainless steel and copper body.
Chrome plated finishing.
Carbide tipped measuring faces.
Resolution: 0,005 mm.
Accuracy: 0,004 mm.
DIN 863-4.
Ratchet system.
Aluminum case.
Includes setting ring, wrenches and extension rod.
Due to the tips shape, it is suitable to measure blind holes.
The instrument contacts the hole wall to measure it at 3 points.
This system with 3 contact points makes the operation easier and increases the accuracy compared to instruments with 2 contact points. This is possible due to the measuring pins positioned at a 120° distance.
It can measure deep holes using the extension rod.
High precision instrument, used when it's necessary to measure holes.
The instruments are produced andtested according to specific standards.
Recommendations for Use Wear safety glasses, gloves and others safety equipments according to the job.
Always keep the tool clean for a better gripping and measuring process.
In order to avoid damage to the instrument, never exceed the scale limits.
Never disassemble or modify any part of the instrument. Such procedure must be done only by Tramontina.
Do not expose the measuring tolos to excessive heat and direct sunlight.
Never leave the measuring faces completely clasped. It is recommended that they are kept slightly apart, at 0.2 to 1 mm.
After using the instrument, store it in the original box or safe place.
Avoid drops or impacts to the instrument. It can cause damage to the instrument and uncertainty in the measurement.
Clean measurament faces and moving parts of tools before and after measuring. The presence of abrasive particles can cause premature wear to the tool.
Avoid damaging measurement faces. Also avoid using the measurement faces of calipers as a drafting compass.
Whenever posible, grase the measuring tools when storing them for a long period of time. Use a cloth with thin oil to protect from rust.
Store in a clean and dry place.
Weight 0,42 kg
Warranty Full warranty against manufacturing defects.
  • A: 97.0 mm
  • B: 170.0 mm
  • C: 150.0 mm