PAGE 186 — MITUTOYO TEST INDICATOR CONTACT POINTS

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Mitutoyo M1.7 Test Indicator Contact Points

Genuine MTC contact points with carbide, ruby, Nylon or Teflon balls

We also have contact points for the following indicators:

  • Bestest and Tesatast M1.4 indicator contact points … page 218
  • Compac M1.6 carbide and ruby test indicator contact points … page 205
  • Extra long (5.5") contact point with M1.7 threads … page 230
  • Interapid M1.7 carbide, ruby and Teflon contact points … page 21
  • Starrett test indicator contact points … page 239
  • contact points for dial indicators … page 133

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.

More about test indicator contact points:

Which point to choose? What are the contact points made of? How to install a contact point? Ruby, Teflon, Nylon or other point? The possibilities and consequences of installing a longer point? Dealing with the cosine error? Refer to page 69

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.

Center to shoulder length = 11.2 mm

  • 513-405-10
  • 513-425-10
  • 513-445-10
  • 513-455-10
  • 513-503
  • 513-527
contact point length illustrated

Length is measured from center of ball to shoulder.

Ball material Ball Ø Center to shoulder length Price (US$) Mitutoyo Equivalent Our Part Number
carbide .080" 11.2 mm $29.50 103010 MTC53-29

Center to shoulder length = 11.5 mm

  • 513-443-10
  • 513-443-16
  • 513-453-10
  • 513-463-10
  • 513-473-10
contact point length illustrated

Length is measured from center of ball to shoulder.

Ball material Ball Ø Center to shoulder length Price (US$) Mitutoyo Equivalent Our Part Number
carbide .015" 11.5 mm $24.50 MTC52-01 buy now
carbide .040" 11.5 mm $21.50 136076 MTC52-03 buy now
carbide .080" 11.5 mm $21.50 136075 MTC52-05 buy now
carbide .120" 11.5 mm $21.50 136077 MTC52-07 buy now
nylon .060" 11.5 mm $32.50 MTC52-50 buy now
Teflon .060" 11.5 mm $32.50 MTC52-40 buy now
ruby .080" 11.5 mm $32.50 21CZA213 MTC52-60 buy now
ruby .120" 11.5 mm $32.50 MTC52-61 buy now

Center to shoulder length = 15.2 mm

  • 513-104
  • 513-128
  • 513-504
  • 513-528
contact point length illustrated

Length is measured from center of ball to shoulder.

Ball material Ball Ø Center to shoulder length Price (US$) Mitutoyo Equivalent Our Part Number
carbide .040" 15.2 mm $21.50 131314 MTC51-03 buy now
carbide .080" 15.2 mm $21.50 103019 MTC51-05 buy now
carbide .120" 15.2 mm $21.50 131315 MTC51-07 buy now

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
contact point length illustrated

Length is measured from center of ball to shoulder.

Ball material Ball Ø Center to shoulder length Price (US$) Mitutoyo No.
carbide .040" .61" 21.50 21CZB065 order now
carbide .080" .61" 21.50 21CZB064 order now
carbide .120" .61" 21.50 21CZB066 order now
ruby .080" .61" 34.50 21CZB112 order now

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
contact point length illustrated

Length is measured from center of ball to shoulder.

Ball material Ball Ø Center to shoulder length Price (US$) Mitutoyo Equivalent Our Part Number
carbide .015" 16.4 mm $29.50 MTC51-14 buy now
carbide .040" 16.4 mm $21.50 133196 MTC51-16 buy now
carbide .080" 16.4 mm $21.50 133195 MTC51-18 buy now
carbide .120" 16.4 mm $21.50 133197 MTC51-20 buy now
ruby .040" 16.4 mm $34.50 MTC51-60 buy now
ruby .080" 16.4 mm $34.50 21CZA204 MTC51-62 buy now
ruby .120" 16.4 mm $34.50 MTC51-64 buy now

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
contact point length illustrated

Length is measured from center of ball to shoulder.

Ball material Ball Ø Center to shoulder length Price (US$) Mitutoyo Equivalent Our Part Number
carbide .080" 17.4 mm $21.50 103006 MTC53-17 buy now

Center to shoulder length = 23.0 mm

  • 513-118
  • 513-518
contact point length illustrated

Length is measured from center of ball to shoulder.

Ball material Ball Ø Center to shoulder length Price (US$) Mitutoyo Equivalent Our Part Number
carbide .040" 23.0 mm $21.50 103008 MTC51-29 buy now
carbide .080" 23.0 mm $21.50 103007 MTC51-31 buy now
carbide .120" 23.0 mm $21.50 103009 MTC51-33 buy now

Center to shoulder length = 30.4 mm (1.20")

  • 513-212
  • 513-412-10
  • 513-446-10
  • 513-446-16
contact point length illustrated

Length is measured from center of ball to shoulder.

Ball material Ball Ø Center to shoulder length Price (US$) Mitutoyo Equivalent Our Part Number
carbide .015" 30.4 mm $26.50 MTC52-14 buy now
carbide .040" 30.4 mm $21.50 136291 MTC52-16 buy now
carbide .080" 30.4 mm $21.50 136290 MTC52-18 buy now
carbide .120" 30.4 mm $21.50 136292 MTC52-20 buy now
ruby .040" 30.4 mm $34.50 MTC52-65 buy now
ruby .080" 30.4 mm $34.50 21CZA214 MTC52-67 buy now
ruby .120" 30.4 mm $34.50 MTC52-69 buy now
nylon .060" 30.4 mm $34.50 MTC52-70 buy now
Teflon .060" 30.4 mm $34.50 MTC52-80 buy now

Center to shoulder length = 33.9 mm

  • 513-112
  • 513-512
contact point length illustrated

Length is measured from center of ball to shoulder.

Ball material Ball Ø Center to shoulder length Price (US$) Mitutoyo Equivalent Our Part Number
carbide .040" 33.9 mm $21.50 131316 MTC52-29 buy now
carbide .080" 33.9 mm $21.50 131324 MTC52-31 buy now
carbide .120" 33.9 mm $21.50 131317 MTC52-33 buy now

Companion Reference Guide for Test Indicators
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