SMC's MK-Z has an allowable moment of inertia 3 times higher than the conventional MK and MK2 styles.  The overall length is the same as the conventional styles, and mounting dimensions are interchangeable with the MK series.  Auto switches can be mounted on any of the 4 surfaces with no projection of the switch.Rotary clamp cylinder w/auto switch mounting grooves, Bore sizes (mm): 12, 16

CYLINDER ROTARY CLAMP MKA/MKB CLAMP CYLINDER. CYL, ROTARY, CLAMP. ACTUATOR. 16MM MKA/MKB DBL ACT-AUTO-SW. .52913 lb. GE.

Mounting: B (Through-hole/Both Ends Tapped Common, Basic), Bore Size: Ø16 mm, Port Thread: M thread: ø12 to ø25, Rc: 32 to 63, Clamp Stroke: 10 mm, Rotary Direction: R (Clockwise), Body Option: N (w/Arm), Auto Switch: M9P--Solid State, Gen. Purpose, 3 Wire PNP, Horizontal

Bore Size: 40mm, Port Thread: M thread: ø12 to ø25, Rc: 32 to 63, Clamp Stroke: 10mm, Rotary Direction: R (Clockwise)

Bore Size: 20mm, Port Thread: M thread: ø12 to ø25, Rc: 32 to 63, Clamp Stroke: 10mm, Rotary Direction: R (Clockwise)

Bore Size: 25mm, Port Thread: M thread: ø12 to ø25, Rc: 32 to 63, Clamp Stroke: 10mm, Rotary Direction: R (Clockwise)

Bore Size: 32mm, Port Thread: M thread: ø12 to ø25, Rc: 32 to 63, Clamp Stroke: 10mm, Rotary Direction: R (Clockwise)

Bore Size: 63mm, Port Thread: M thread: ø12 to ø25, Rc: 32 to 63, Clamp Stroke: 10mm, Rotary Direction: R (Clockwise)

Bore Size: 12mm, Port Thread: M thread: ø12 to ø25, Rc: 32 to 63, Clamp Stroke: 10mm, Rotary Direction: R (Clockwise)

Size: 40 (1/2), Thread: N (NPT), Port Size: 04 (1/2), Accessory: None, Option 1: 10 (1000cm³ Tank w/Switch Lower Limit ON), Option 2: RZ (Flow Direction: Right->Left+Name Plate, Caution on Bowl)

Size: 30 (3/8), Thread: N (NPT), Port Size: 02 (1/4), Accessory: None, Option 1: 10 (1000cm³ Tank w/Switch Lower Limit ON), Option 2: RZ (Flow Direction: Right->Left+Name Plate, Caution on Bowl)

Size: 40 (1/2), Thread: N (NPT), Port Size: 02 (1/4), Accessory: B (Bracket), Option 1: 10 (1000cm³ Tank w/Switch Lower Limit ON), Option 2: RZ (Flow Direction: Right->Left+Name Plate, Caution on Bowl)

Size: 40 (1/2), Thread: N (NPT), Port Size: 02 (1/4), Accessory: None, Option 1: 10 (1000cm³ Tank w/Switch Lower Limit ON), Option 2: RZ (Flow Direction: Right->Left+Name Plate, Caution on Bowl)

Size: 30 (3/8), Thread: N (NPT), Port Size: 03 (3/8), Accessory: None, Option 1: 10 (1000cm³ Tank w/Switch Lower Limit ON), Option 2: RZ (Flow Direction: Right->Left+Name Plate, Caution on Bowl)

Size: 60 (1), Thread: N (NPT), Port Size: 10 (1), Accessory: None, Option 1: 10 (1000cm³ Tank w/Switch Lower Limit ON), Option 2: RZ (Flow Direction: Right->Left+Name Plate, Caution on Bowl)

Size: 60 (1), Thread: N (NPT), Port Size: 10 (1), Accessory: B (Bracket), Option 1: 10 (1000cm³ Tank w/Switch Lower Limit ON), Option 2: RZ (Flow Direction: Right->Left+Name Plate, Caution on Bowl)

Size: 40 (1/2), Thread: N (NPT), Port Size: 03 (3/8), Accessory: None, Option 1: 10 (1000cm³ Tank w/Switch Lower Limit ON), Option 2: RZ (Flow Direction: Right->Left+Name Plate, Caution on Bowl)

Size: 30 (3/8), Thread: N (NPT), Port Size: 03 (3/8), Accessory: B (Bracket), Option 1: 10 (1000cm³ Tank w/Switch Lower Limit ON), Option 2: RZ (Flow Direction: Right->Left+Name Plate, Caution on Bowl)

Size: 50 (3/4), Thread: N (NPT), Port Size: 06 (3/4), Accessory: None, Option 1: 10 (1000cm³ Tank w/Switch Lower Limit ON), Option 2: RZ (Flow Direction: Right->Left+Name Plate, Caution on Bowl)

Size: 50 (3/4), Thread: N (NPT), Port Size: 06 (3/4), Accessory: B (Bracket), Option 1: 10 (1000cm³ Tank w/Switch Lower Limit ON), Option 2: RZ (Flow Direction: Right->Left+Name Plate, Caution on Bowl)