Long Island Indicator Service

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Mitutoyo M1.7 Test Indicator Contact Points

These are genuine American made contact points with carbide, ruby, Nylon or Teflon balls designed for use with Mitutoyo test indicators.

Mitutoyo provides two ways measuring the contact point. The overall length and the more reliable center of ball to shoulder length. We use this second method in the tables on this page. These points are for current models with M1.7 threads.

Important Note: there was an older, obsolete, model of 513 indicators that had M1.4 threads. Those points are no longer available from us.

Can't find your model number? That's probably because it's no longer being manufactured. If you still have the contact point, just measure it and choose the proper length from the selection below. Older indicators without the suffix (-10 or -16) will take the same size point as the new ones.

contact point length illustrated

Length is measured from the center of the ball to the shoulder above the thread.

Center to shoulder length = 11.2 mm

  • 513-405-10
  • 513-425-10
  • 513-445-10
  • 513-455-10
  • 513-503
  • 513-527
Material Ball Ø Length US$ Mitutoyo No. Order Number
carbide .080" 11.2 mm $29.50 103010 MTC53-29
contact point length illustrated

Center to shoulder length = 11.5 mm

  • 513-443-10
  • 513-443-16
  • 513-453-10
  • 513-463-10
  • 513-473-10
Material Ball Ø Length US$ Mitutoyo No. Our Number
carbide .015" 11.5 mm $24.50 — MTC52-01
carbide .040" 11.5 mm $21.50 136076 MTC52-03
carbide .080" 11.5 mm $21.50 136075 MTC52-05
carbide .120" 11.5 mm $21.50 136077 MTC52-07
nylon .060" 11.5 mm $32.50 — MTC52-50
Teflon .060" 11.5 mm $32.50 — MTC52-40
ruby .080" 11.5 mm $32.50 21CZA213 MTC52-60
ruby .120" 11.5 mm $32.50 — MTC52-61
contact point length illustrated

Center to shoulder length = 15.2 mm

  • 513-104
  • 513-128
  • 513-504
  • 513-528
Material Ball Ø Length US$ Mitutoyo No. Our No.
carbide .040" 15.2 mm $21.50 131314 MTC51-03
carbide .080" 15.2 mm $21.50 103019 MTC51-05
carbide .120" 15.2 mm $21.50 131315 MTC51-07
contact point length illustrated

Center to shoulder length = .61" (new models)

  • 513-403-10
  • 513-443-10
  • 513-443-16
  • 513-453-10
  • 513-473-10
  • 513-463-10
Material Ball Ø Length US$ Mitutoyo No. Our No.
carbide .040" .61" 21.50 21CZB065 MTC51-91
carbide .080" .61" 21.50 21CZB064 MTC51-92
carbide .120" .61" 21.50 21CZB066 MTC51-93
ruby .080" .61" 34.50 21CZB112 MTC51-94
contact point length illustrated

Center to shoulder length = 16.4 mm (.65")

  • 513-401-10
  • 513-402-10
  • 513-406-10
  • 513-442-10
  • 513-442-16
  • 513-452-10
  • 513-462-10
  • 513-472-10
  • 513-482-10
Material Ball Ø Length US$ Mitutoyo No. Our No.
carbide .015" 16.4 mm $29.50 — MTC51-14
carbide .040" 16.4 mm $21.50 133196 MTC51-16
carbide .080" 16.4 mm $21.50 133195 MTC51-18
carbide .120" 16.4 mm $21.50 133197 MTC51-20
ruby .040" 16.4 mm $34.50 — MTC51-60
ruby .080" 16.4 mm $34.50 21CZA204 MTC51-62
ruby .120" 16.4 mm $34.50 — MTC51-64
contact point length illustrated

Center to shoulder length = 17.4 mm

  • 513-404-10
  • 513-444-10
  • 513-454-10
  • 513-464-10
  • 513-474-10
  • 513-484-10
  • 513-517
Material Ball Ø Length US$ Mitutoyo No. Our No.
carbide .080" 17.4 mm $21.50 103006 MTC53-17
contact point length illustrated

Center to shoulder length = 23.0 mm

  • 513-118
  • 513-518
Material Ball Ø Length US$ Mitutoyo No. Our No.
carbide .040" 23.0 mm $21.50 103008 MTC51-29
carbide .080" 23.0 mm $21.50 103007 MTC51-31
carbide .120" 23.0 mm $21.50 103009 MTC51-33
contact point length illustrated

Center to shoulder length = 30.4 mm (1.20")

  • 513-212
  • 513-412-10
  • 513-446-10
  • 513-446-16
Material Ball Ø Length US$ Mitutoyo No. Our No.
carbide .015" 30.4 mm $26.50 — MTC52-14
carbide .040" 30.4 mm $21.50 136291 MTC52-16
carbide .080" 30.4 mm $21.50 136290 MTC52-18
carbide .120" 30.4 mm $21.50 136292 MTC52-20
ruby .040" 30.4 mm $34.50 — MTC52-65
ruby .080" 30.4 mm $34.50 21CZA214 MTC52-67
ruby .120" 30.4 mm $34.50 — MTC52-69
nylon .060" 30.4 mm $34.50 — MTC52-70
Teflon .060" 30.4 mm $34.50 — MTC52-80
contact point length illustrated

Center to shoulder length = 33.9 mm

  • 513-112
  • 513-512
Material Ball Ø Length US$ Mitutoyo No. Our No.
carbide .040" 33.9 mm $21.50 131316 MTC52-29
carbide .080" 33.9 mm $21.50 131324 MTC52-31
carbide .120" 33.9 mm $21.50 131317 MTC52-33

STARRETT
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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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