Long Island Indicator Service

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.

Long Island Indicator Service
Long Island Indicator Service was founded in 1960. We provide professional repair service for precision measuring tools and gages with an emphasis on Swiss made test indicators, dial indicators, dial calipers and micrometers. We are pleased to be a recognized service partner for Brown & Sharpe.

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