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64
EC
AND
GC
CYLINDERS
HOW TO SPECIFY
Mounting Options
Threaded Bottom Mount (BT) (EC models)
only)
Threaded Front/Rear Mount
(-3)
Bore H T U
12mm (1/2") 15.5 (0.61) M4 x 0.7 6H (8-32 UNC-2B) 6.6 (0.26)
16mm (5/8") 20.0 (0.79) M4 x 0.7 6H (8-32 UNC-2B) 6.6 (0.26)
20mm (3/4") 25.5 (1.00) M6 x 1.0 6H (1/4-20 UNC-2B) 11.2 (0.44)
25mm (1") 28.0 (1.10) M6 x 1.0 6H (1/4-20 UNC-2B) 11.2 (0.44)
32mm (1-1/4") 34.0 (1.34) M6 x 1.0 6H (1/4-20 UNC-2B) 11.2 (0.44)
40mm (1-1/2") 40.0 (1.57) M6 x 1.0 6H (1/4-20 UNC-2B) 11.2 (0.44)
50mm (2") 50.0 (1.97) M8 x 1.25 6H (5/16-18 UNC-2B) 13.0 (0.51)
63mm (2-1/2") 60.0 (2.36) M10 x 1.5 6H (7/16-14 UNC-2B) 16.8 (0.66)
80mm (3-1/4") 77.0 (3.03) M12 x 1.75 6H (1/2-13 UNC-2B) 20.8 (0.82)
100mm (4") 94.0 (3.70) M12 x 1.75 6H (1/2-13 UNC-2B) 20.8 (0.82)
Bore W X Y
12mm (1/2") M4 x 0.7 (8-32 UNC) 10.5 (0.41) 7.0 (0.28)
16mm (5/8") M4 x 0.7 (8-32 UNC) 10.5 (0.41) 7.0 (0.28)
20mm (3/4") M6 x 1.0 (1/4-20 UNC) 17.0 (0.67) 10.0 (0.39)
25mm (1") M6 x 1.0 (1/4-20 UNC) 17.0 (0.67) 10.0 (0.39)
32mm (1-1/4") M6 x 1.0 (1/4-20 UNC) 17.0 (0.67) 10.0 (0.39)
40mm (1-1/2") M6 x 1.0 (1/4-20 UNC) 17.0 (0.67) 10.0 (0.39)
50mm (2") M8 x 1.25 (5/16-18 UNC) 22.0 (0.87) 14.0 (0.55)
63mm (2-1/2") M10 x 1.5 (7/16-14 UNC) 28.5 (1.12) 18.0 (0.71)
80mm (3-1/4") M12 x 1.75 (1/2-13 UNC) 35.6 (1.40) 22.0 (0.87)
100mm (4") M12 x 1.75 (1/2-13 UNC) 35.6 (1.40) 22.0 (0.87)
NOTE: On the following models, only the front set of threaded bottom mounting holes is provided; EC20X5, EC20X10,
EC25X5, EC32X5, EC80X10.
NOTE: On GC models, there are two threaded holes per end, not four.
EC Cylinder Options and Dimensions (mm [in])
3
