... 2.SC, SCD, SCJ Series Standard Pneumatic Cylinder 3.Bore size: 32, 40, 50, 63, 80, 100 ... air cylinder: SC series1.Standard air cylinder, widely used in machinery industry.2.Bore size: 32, 40, 50, 63, 80, 100 ... threadM10X1.25M12X1.25M16X1.5M20X1.5CushionAdjustable air cushion at both ends Pneumatic Cylinder (SC, SCD, SCJ Series)