Common Radius Contact Points

Radius points are the most common and can be the cheapest of the indicator contact points. The diameter (ØA) is .188" and the radius is 4 mm. There are two styles: they're made of blackened, hardened steel or they have a carbide end, both with a light radius. Although they are available in many different lengths, we think it's best to buy the standard 1/4" length, and then combine it with an appropriate extension.

Schematic drawing of the common radius contact point for dial indicators.
Order No. Material Length Thread US$
MTC07-05 hardened steel 1/4" 4-48 6.50
MTC07-07 hardened steel 3/8" 4-48 6.50
MTC07-33 hardened steel 10 mm metric M2.5 6.50
MTC07-49 carbide 1/4" 4-48 19.50
MTC07-56 carbide 10 mm metric M2.5 19.50
MTC07-58 carbide 25 mm metric M2.5 19.50
More about dial and digital indicator contact points

GIROD-TAST
The "other" Swiss indicator still made in Switzerland.

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