
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X10SCM is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 10mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service. A variable air cushion at both ends lets you tune end-of-stroke deceleration on site.
Short stroke, round-end cover, tight spaces. The MAC20X10SCM puts 157 N of push at 0.5 MPa (22-145 psi) into just 10 mm of travel, and its CM back cover finishes in a rounded boss that slots into cradle and strap mounts where a flat end will not sit. Like every MAC, the body is a rolled stainless barrel with a hard-chrome plated rod - no paint to chip in humid workshops, and the riveted construction keeps the seams sealed through washdown.
It is double acting with a variable cushion at each end, running 30-800 mm/s, and the magnet is included as standard for CMSG, DMSG or EMSG switches. Because 157 N at 0.5 MPa equals about 16 kgf, halving that for a safe margin means this small cylinder can lift roughly 8 kg vertically - ample for pop-up pins and small press plates.
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X10SCM |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 10 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Variable air cushion, both ends |
| Max standard stroke | Up to 500 mm |
Specifications follow the official AirTAC MA-series datasheet. Barrel: stainless-steel tube (round-body, riveted rolling-packed construction); piston rod: carbon steel with 20µm hard-chrome plating; covers: aluminium alloy. Thread options: PT (blank) / G / NPT. Every MA-series cylinder ships with a built-in magnet for CMSG / DMSG / EMSG position sensors.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×10 | Stroke length in mm. |
| -S | Built-in magnet for CMSG / DMSG / EMSG sensors (standard on MA series). |
| CA / U / CM | Back-cover type: CA pivot, U flat-end, CM round-end. |
MA-family variants: MA / MAC (double acting ±cushion), MSA / MTA (single acting push / pull), MAD / MACD (double rod ±cushion), MAJ / MACJ (adjustable stroke ±cushion), MAR (cushioned with integrated F/U mount). Mounting accessories: FA flange, LB foot, SDB pivot; plus I and Y knuckles. Thread PT (blank) / G / NPT.
Flicks a 15 g sorting flap between two chutes each count; the round CM end drops straight into the machine's saddle clamp.
Presses a 20 N preload pad onto a PCB during in-circuit test, cushioned so the pad never bounces off the board.
Ejects small SMD trays a few millimetres for the vacuum pick head; the standard magnet feeds a DMSG signal to the PLC.
Forces in context: a 16 mm bore manages 100.5 N at 0.5 MPa and a 25 mm bore 245.3 N, so the 20 mm sits mid-pack for short-stroke duty. The round CM end suits through-hole or saddle fixings; if the machine later needs pivoting, swap to the CA version or bolt on an SDB bracket. A 10 mm stroke tolerates small misalignment, but seat the round end squarely so the chrome rod never sees side load.
Quick checklist
At 0.5 MPa: 157 N push and 132 N pull. At 0.7 MPa: 220 N push and 185 N pull. Theoretical ceiling is 32 kgf at 1.0 MPa. Bore 20 mm, stroke 10 mm, 1/8" air port, M8x1.25 rod thread, 8 mm hard-chrome rod.
A rounded rear boss that seats in cradle, through-hole or strap mounts common on compact machines, often with no extra bracket at all. Combined with the built-in magnet that comes standard, the same cylinder can still switch via CMSG or EMSG sensors.
Genuine AirTAC parts produced by AirTAC factory.
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