Trilock Thread Plug Gages

CLASS X TOLERANCE – RH – CHROME

Nominal SizeHandle Size
7/8 – 92-1/2
7/8 – 142-1/2
1 – 83-1/2
1 – 123-1/2
1 – 143-1/2
1-1/8 – 73-1/2
1-1/8 – 123-1/2
1-1/4 – 74-1/2
1-1/4 – 124-1/2
1-3/8 – 64-1/2
1-3/8 – 124-1/2
1-1/2 – 64-1/2
1-1/2 – 124-1/2
Nominal SizeHandle Size
M   39 x 2.05-1/2

Inch

Nominal SizeHandle Size
13/16 – 202-1/2
7/8 – 202-1/2
15/16 – 203-1/2
1 – 203-1/2
1-1/16 – 183-1/2
1-1/8 – 183-1/2
1-3/16 – 184-1/2
1-1/4 – 184-1/2
1-5/16 – 184-1/2
1-3/8 – 184-1/2
1-7/16 – 184-1/2
1-1/2 – 184-1/2

Class

2B, 3B

  • Graphitic tool steel for superior quality and longer wear
  • Heat treated and cold treated for extreme stability.
  • Lapped for extra precision and longer wear.

Hard Chrome

All standard thread plugs are supplied in hard chrome at no additional cost.