Thread Check Catalog 2023

CONTACT POINTS

Contact Points (Continued) UN Series (60° “V”) Threads These contacts points are used to inspect the pitch diameter of machined parts with 60° “V” thread forms. Two are required for most gages.

Model

Thread Pitch Model

Thread Pitch Model

Thread Pitch

Truncated Contact Point

T562 T288 T188 T144 T128

1 2

T115 T105 T096 T072 T057

5

T050 T041 T032

11½ & 12

5½

14 & 16

3 & 3½

6 8

18

4

Threaded Shank Contact Points

4½

10

Acme or Stub Acme Threads These truncated contact points are used to inspect the pitch diameter of machined parts with 29° Acme and Stub Acme thread forms. Two are required for most gages.

T041

Model T531T T344T T266T T219T T188T

Thread Pitch Model

Thread Pitch Model

Thread Pitch

1

T144T T128T T105T T090T T062T

3½

T050T T041T T032T

10

1½

4 5

12 & 14

T062

2

16

2½

6 & 7

3 8 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 are required for most gages.

T072

Model

Thread Pitch Model

Thread Pitch Model

Thread Pitch

T562 T437 T375 T281 T219

1

T188 T156 T144 T115 T096

3

T072 T057 T050 T032

8

T105

1¼ 1½

3½

10 12

4 5 6

2

16 & 18

2½

Trapezoidal Thread Contact Points These contact points are used to inspect the millimeter pitch diameter of machined parts with Trapezoidal thread forms. Two are required for most gages.

T115

Model

mm Pitch

Model

mm Pitch

T144 T125 T096 T082 T072

7 6 5 4

T062 T050 T041 T032

3

2½

T125

2

1½

3½ 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 are required for most gages.

T250

Model

mm Pitch

Model

mm Pitch

T096 T072

4

T057 T041

2½

3 & 3½

1½, 1¾, & 2

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