AirTAC F-JCK-LM Adjusting Screw F-JCK50X120LM Technical Specifications
- Full Model: F-JCK50X120LM
- Series: Fine Adjustment Screw (LM Series)
- Material: S45C Carbon Steel (JIS G4051)
- Thread Diameter: M8×1.25 (Metric Fine Thread)
- Effective Length: 120±0.5mm
- Total Length: 135mm (including mounting features)
- Hexagon Size: 12mm AF
- Weight: 480±10g
- Dimensions: Ø50mm (Flange) × 120mm (Threaded Shaft Length)
- Surface Treatment: Black Oxide Coating (Fe3O4)
- Hardness: HRC 28-32 (Core) / HRC 45-50 (Surface Case Hardened)
- Torque Range: 5-20 N·m (Recommended Operational)
- Temperature Resistance: -30℃ to +120℃
- Corrosion Resistance: 96hrs Neutral Salt Spray Test
- Axial Load Capacity: 2,500N Static / 1,800N Dynamic
- Parallelism: ≤0.02mm (Flange Mounting Surface)
- IP Rating: IP54 (Dust Protected & Splash Resistant)
Precision-engineered adjustment screw with hardened contact surfaces and anti-backlash design. Features dual-stage sealing (O-ring + thread locker compound) for vibration resistance in high-cycle applications. The graduated scale (0.5mm increments) enables micron-level positional adjustments through vernier principle alignment.
- Pneumatic cylinder stroke fine-tuning in assembly robots
- Position calibration of optical sensors in semiconductor handlers
- Mechanical stop adjustment for CNC tooling fixtures
- Z-axis compensation in PCB drilling machines
- Clamping force regulation in injection molding ejectors
| Property | Property Value |
|---|---|
| sku | F-JCK50X120LM |
| Bore Diameter | <50mm> |
| Adjustment Angle | 120° |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.







