
The AirTAC Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X70-10S is a genuine double-acting COMPACT cylinder (Ø100mm bore) whose extend end-position is set by an external M27×2.0 adjustment screw. You can dial the stroke anywhere from 60 to 70 mm on the machine — no shims, no part change.
The AirTAC SDAJ100X70-10S is a double-acting compact cylinder featuring an external R (M27x2.0) adjuster screw that lets you dial the extend stop on-site between 60 and 70 mm without changing parts. It delivers a massive 3927 N push at 0.5 MPa, matching the output of a standard SDA100 bore because the screw sets the mechanical stop, not the piston area.
Its short riveted body saves axial mounting depth where a larger profile cylinder will not fit. The unit includes a built-in piston magnet (-S) for AirTAC reed or electronic switches, while a fixed NBR bumper decelerates the stroke end. The adjuster is a mechanical stop, not a mid-stroke lock.
| Model | Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X70-10S |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø100 mm |
| Max stroke | 70 mm |
| Adjustable range | 60 – 70 mm |
| Adjuster thread (R) | M27×2.0 |
| Port size | PT3/8 |
| Acting type | Double acting |
|---|---|
| Rod end thread | M18×1.5 F / M26×1.5 male (B) |
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
The adjustment screw shortens the extend stroke by up to 10 mm. Force is unchanged from a standard SDA of the same bore. Specifications follow the official AirTAC SDAJ datasheet.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3525 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Force matches a standard SDA of the same bore; the adjuster only sets the stop position, not the area. Actual usable force is lower than theoretical due to friction.
| SDAJ | Compact double-acting cylinder with adjustable stroke. |
|---|---|
| 100 | Bore size in mm. |
| ×70 | Maximum stroke length in mm. |
| -10 | Adjustable window (10/20/30/40/50/75/100 mm). |
| S / B | S = magnet; B = male-thread rod (both optional). |
Thread: PT standard. Related SDA-family variants: SDA (fixed stroke), SDAD (double rod), SSA/STA (single acting), SDAT (duplex), SDAW (duplex-end).
Dial the 60-70 mm extend stop to seat large bearings precisely without over-traveling, leveraging the 3927 N push force for stubborn components.
Quickly re-adjust the end position on automated lines during product changeovers, saving axial space with the compact riveted body.
Safely lift 200.2 kg payloads with a 2:1 margin, using the external R screw to fine-tune the raise height to exact conveyor levels.
When sizing this 100 mm bore, look both ways: moving down, the SDAJ80 provides 2513.3 N push at 0.5 MPa, which may be insufficient for heavy loads; moving up is not an option as this is the largest standard SDAJ bore. This model yields a safe working load of roughly 2356 N (about 60% of its 3927 N capacity) and can vertically lift approximately 200.2 kg with a 2:1 safety margin.
Choose this cylinder if your assembly requires precise on-machine stroke tuning during setup or changeover. Remember that a plain SDAJ does not hold position when air is lost or the valve is centered; use an external rod lock or pilot-operated check valve for load holding. This configuration specifies a 100 mm bore, 70 mm max stroke, 10 mm window, PT3/8 port, a female M18x1.5 rod thread, and an -S magnet.
Quick checklist
At 0.5 MPa it provides 3927 N push and 3524.9 N pull. At 0.7 MPa it provides 5497.8 N push and 4934.8 N pull. The theoretical maximum push is 801 kgf at 1.0 MPa.
The M27x2.0 R screw shortens the extend stroke by up to 10 mm, yielding a usable 60-70 mm range. The built-in -S magnet works with AirTAC reed or electronic switches for end-position sensing.
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