Contact Points   Gages Print This Data Sheet Carbide Contact Balls  How To Order Select the model number for the contact point, based on the gage (sold individually). Metric and special diameter contact points are available. Call for a quotation. Gagemaker manufactures standard ball and special application contact points and contact points for our API Gages and Pitch Diameter Gages. The contact points are made of spherical carbide and are interchangeable between gages. Contact point diameters are manufactured to tolerances of +.0002”. Most gages require two contact points. Both threaded and straight shanks are available. Threaded shanks are #4-48 UNF. Metric and special diameter contact points are quoted upon request. Feature - Interchangeable between gages - Threaded and straight shanks available - Manufactured from carbide - All contact points are stock items Standard Contact Points (Sold Individually) Model No. Carbide Contact Point Diameter T032C .032" T041C .041" T050C .050" T057C .057" T062C .062" T072C .072" T090C .090" T096C .096" T105C .105" T115C .115" T125C .125" T128C .128" T144C .144" T188C .188" T200C .200" T219C .219" T235C .235" T250C .250" T266C .266" T288C .288" T344C .344" T375C .375" T500C .500" - .531" Special Application Contact Points and Accessories (Sold Individually) Model No. Description T500C 50° Cone Contact Point, "V" Threads for TH-3001V, TH-3002V, TH-3004 & TH-3005 Gages T501 50° Cone Contact Point, Self-Centering for TH-3001R, TH-3002R Gages T502 Self-Centering Sleeve for T501 & T503 Contact Points T503 50° Cone Contact Point, "V" Threads for TH-3006 & TH-3007 Gages E-Line .063" R Extreme Line Contact Point for TH-3003E Gages TPD .020" R Contact Point for PD-3003 & PD-3004 Gages PE-.XXX Point Extensions available in .300", .500", .750" & 1.00" PA-45 45° Point Adapter RC-375 Roller Contact Point, .375" Diameter P-500 Flat Face Contact Point for TH-3001R Gage API Contact Points for Lead and Taper Gages (Sold Individually) These contact points are used to inspect lead and taper of API thread forms. Model No. Connection Type Point Diameter Threads per Inch T235 Hughes Slim Line H-90 0.235" 3 T200 All Hughes H-90 0.200" 3 1/2 T144 API Rotary Shouldered Connections 0.144" 4 T128 API Rotary Shouldered Connections 0.128" 4 1/2 T115 API Rotary Shouldered Connections 0.155" 5 T105 Truncated for Extreme Line 0.105" 5 1/2 T096 API Rotary Shouldered Connections 0.096" 6 T090 Buttress Casing - Taper 0.090" 5 T072 API Tubing, Casing and Line Pipe 0.072" 8 T062 Buttress Casing - Lead 0.062" 5 T057 API Tubing and Line Pipe 0.057" 10 T050 API Line Pipe 0.050" 11 1/2 T041 API Line Pipe 0.041" 14 T032 API Line Pipe 0.032" 18 T021 API Line Pipe 0.021" 27 ANSI Contact Points (Sold Individually) UN Series Contact Points These contact points are used to inspect the pitch diameter of machined parts with 60° "V" thread forms. Two required per gage. Model No. Description Model No. Description T562 1 pitch internal 60° "V" T096 6 pitch external 60° "V" T288 2 pitch internal 60° "V" T072 8 pitch external 60° "V" T188 3 pitch internal 60° "V" T057 10 pitch external 60° "V" T188 3.5 pitch internal 60° "V" T050 11.5 pitch external 60° "V" T144 4 pitch internal 60° "V" T050 12 pitch external 60° "V" T128 4.5 pitch internal 60° "V" T041 14 pitch external 60° "V" T115 5 pitch internal 60° "V" T041 16 pitch external 60° "V" T105 5.5 pitch internal 60° "V" T032 18 pitch external 60° "V" ACME and Stub ACME Contact Points These contact points are used to inspect the pitch diameter of machined parts with 29 ° ACME and Stub ACME thread forms. Two required per gage. Model No. Description Model No. Description T531T 1 pitch ACME or Stub ACME T105T 5 pitch ACME or Stub ACME T344T 1.5 pitch ACME or Stub ACME T090T 6, 7 pitch ACME or Stub ACME T266T 2 pitch ACME or Stub ACME T062T 8 pitch ACME or Stub ACME T219T 2.5 pitch ACME or Stub ACME T050T 10 pitch ACME or Stub ACME T188T 3 pitch ACME or Stub ACME T041T 12 pitch ACME or Stub ACME T144T 3.5 pitch ACME or Stub ACME T041T 14 pitch ACME or Stub ACME T128T 4 pitch ACME or Stub ACME T032T 16 pitch ACME or Stub ACME 7° x 45° Buttress Series Contact Points These contact points are used to inspect the pitch diameter of machined parts with 7° x 45° Buttress thread forms. Two required per gage. Model No. Description Model No. Description T562 1 pitch 7° x 45° Buttress T115 5 pitch 7° x 45° Buttress T437 1.25 pitch 7° x 45° Buttress T096 6 pitch 7° x 45° Buttress T375 1.5 pitch 7° x 45° Buttress T072 8 pitch 7° x 45° Buttress T281 2 pitch 7° x 45° Buttress T057 10 pitch 7° x 45° Buttress T219 2.5 pitch 7° x 45° Buttress T050 12 pitch 7° x 45° Buttress T188 3 pitch 7° x 45° Buttress T032 16 pitch 7° x 45° Buttress T156 3.5 pitch 7° x 45° Buttress T032 18 pitch 7° x 45° Buttress T144 4 pitch 7° x 45° Buttress     ISO Metric Series Contact Points These contact points are used to inspect the pitch diameter of machined parts with ISO Metric 60° "V" thread forms. Two required per gage. Model No. Description Model No. Description T096 4 mm pitch 60° "V" T041 2 mm pitch 60° "V" T072 3.5 mm pitch 60° "V" T041 1.75 mm pitch 60° "V" T072 3 mm pitch 60° "V" T041 1.5 mm pitch 60° "V" T057 2.5 mm pitch 60° "V"