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The TECO hole gauge

Is a unique and simple instrument that quickly and accurate measures, with a three point contact, the inside diameter of tube and tube sheet holes.
The reversible dial plate allows the user to measure in both inch/decimals and metric.
Our standard adjustable depth is 4” (101.6 mm) or 8” (203 mm) dependent on the model.
All gauges are furnished with setting ring and packed in a wooden carrying case.


Internal measuring gauge

Mechanical internal measuring gauge for quick and accurate measuring of the inside diameter of tube and tube sheet holes.


Special tool for flaring tube ends.

Available for tubes from 1/2” to 1 1/2” (12.7 mm to 38.1 mm) O.D.


Ideal for piloting

Ideal for piloting tubes through tube sheet baffles, and support plates. Available for tubes from 3/8” to 2” (9.5 mm to 50.8 mm) O.D.


Used for simultaneous end milling and bevelling of I.D. and O.D. of tube.

This tool is adjustable according to diameter and gauge of the tube.


The grooving tool

Is a portable tool developed for cutting serrations in the tube holes of both ferrous and nonferrous tube sheets.
It can be used as a hand tool or mounted in a radial drill for a more permanent and positive installation.
Works well in C N C controlled machines.

The tool is adjustable from 22 to 54 mm (7/8” to 2 1/8”) from the face of the sheet to the back side of the inner groove.


For facing ends of tubes in heat exchangers and condensers.

It has one replaceable tool bit and a set of rotating pilot bushes.
Fitted with an adjustable thrust collar the unit incorporates a depth gauge which accurately controls the amount of tube projection.
An important safety feature is the left-hand threaded adjustment of this part to prevent accidental self feeding of the cutter.

Available for tubes from 5/8” to 1 1/4” (15.8 mm to 31.75 mm) O.D.