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The M3 Knurled Aluminum Standoff features precision-machined construction with internal threading for secure component mounting in RC models, drones, and electronic assemblies. Engineered from aerospace-grade aluminum with knurled grip surfaces, it provides exceptional strength-to-weight ratio while ensuring vibration-resistant connections. The pillar's balanced design and thermal stability make it ideal for motor mounts, frame reinforcements, and applications requiring precise component spacing with reliable electrical isolation.
| Parameter | Specification |
| Material | 6061-T6 Aluminum Alloy |
| Thread Type | M3×0.5 Internal Thread |
| Outer Diameter | 6.0mm ±0.05mm |
| Knurl Pattern | Diamond (0.8mm pitch) |
| Surface Treatment | Type II Anodized (25μm) |
| Length Options | 5-50mm (1mm increments) |
| Thread Depth | Full Length - 1mm |
| True Position | ≤0.03mm concentricity |
| Weight | 0.8g @ 10mm length |
| Load Capacity | 120N Axial / 25N Lateral |
• Precision Machining: CNC-turned with <0.01mm tolerance
• Anti-Vibration Design: Knurled surface prevents rotational slippage
• Electrical Isolation: Anodized surface resists conductivity (500V breakdown)
• Thermal Management: Aluminum construction dissipates heat efficiently
• Corrosion Resistance: Salt spray tested >96hrs (ASTM B117)
• Dual-Purpose: Compatible with M3 screws and 3mm carbon tubes
| Length (mm) | Weight (g) | Max Stack Height | Recommended Torque |
| 5 | 0.4 | 8 units | 0.6 N·m |
| 10 | 0.8 | 6 units | 0.6 N·m |
| 20 | 1.6 | 4 units | 0.5 N·m |
| 30 | 2.4 | 3 units | 0.4 N·m |
| 50 | 4.0 | 2 units | 0.3 N·m |
• Motor-to-frame vibration dampening pillars
• Flight controller isolation mounts
• Camera gimbal support columns
• Battery tray elevation spacers
• 3D printer head carriage supports
• CNC router spindle mounts
• Laser cutter optical path alignment
• PCB stack spacers for high-voltage isolation
• Heat sink mounting pillars
• Enclosure standoffs for EMI reduction
• Robotics joint connectors
• Dynamic propeller balancers
• Gyroscope test platform supports
• Vibration analysis fixture columns
• Operating Temperature: -40°C to +150°C
• Thermal Expansion: 23.6 μm/m·°C (20-100°C)
• Humidity Resistance: 1000hrs @95% RH (no corrosion)
• Chemical Resistance: Resists oils, coolants, and weak acids
• Storage Conditions: -20℃ ~ +60℃, <80% RH