• Coupling Rating Chart (click to view each)
• Stock Bores
• Coupling Clearances

Stock Bores

O - Pilot Bore; X - Stock Size

* All stock bored couplings come with Class I clearance fit. Click for reference

SIZE A B C D E F G H
5/8" 0 0 - - - - - -
3/4" X X 0 - - - - -
13/16" - - - - - - - -
7/8" X X X O - - - -
15/16" X X X - - - - -
1" X X X X - - - -
1 1/16" - X - - - - - -
1 1/8" - X X X O - - -
1 3/16" - X X - - - - -
1 1/4" - X X X X O - -
1 5/16" - X X - - - - -
1 3/8" - X X X X X - -
1 7/16" - X X X X - - -
1 1/2" - X X X X - O -
1 9/16" - - - X - - - -
1 5/8" - X X X X X - -
1 11/16" - - X X X - - -
1 3/4" - X X X X X - O
1 7/8" - - X X X X X -
1 15/16" - - X X X - - -
2" - - - X X - - -
2 1/8" - - X X X X X -
2 3/16" - - - X X - - -
2 1/4" - - - - X X - -
2 3/8" - - - X X - X X
2 7/16" - - - - X - - -
2 1/2" - - - X X X - -
2 7/8" - - - - - - X X
3 3/8" - - - - - X X X
3 7/8" - - - - - - X X
 
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