SMC MK Series Rotary Clamp Cylinder Standard Type, MKB20 20RZ A73 Pin Punch Specification item model symbol Specification Specification item model symbol Specification information built in magnet D built in magnet installation support B Through hole (standard) form pneumatic type tube inner diameter 40 tube inner diameter 40mm Types of port screws Rc M screw cylinder stroke 20 cylinder stroke 20mm dual stroke mark No dual stroke mark cylinder stroke 2 Cylinder stroke 2 None body options Standard (rod end female thread) Auto switch mounting groove Z ø12 ø25 2 sides ø32 ø100 4 sides Installation bolts included no mounting bolt rod end bracket no metal fittings auto switch M9BW 2 color display 50 mm 90 mm TORX® Tamper Resistant (with hole) 1 4 "