Catalog number Trade size
(inch)
I.D.
(mm) 
A
(mm) 
B
(mm) 
C
(mm) 
D
(mm) 
EMT
CNS 2606-C4060
JIS C8305 
Packing (pcs)
E21010400 1/2 14.5 34.5 22.5 12.5 19.6 E19 50
E21010600 3/4 19.5 41.5 28.0 14.0 25.9 E25 50
E21011000 1 25.0 46.0 31.5 17.5 32.3 E31 25
E21011200 1-1/4 33.5 55.5 34.0 18.0 38.6 E39 25
E21011400 1-1/2 38.5 63.2 36.5 21.5 51.3 E51 20
E21012000 2 49.5 76.0 44.5 24.0 64.0 E63 10