This is a high-strength, high-hardness 45-grade carbon steel coupling, widely used in milling, drilling, engraving, CNC, and other processes, providing stable performance and high precision. Ideal for CNC.
Specifications:
- Color: Silver
- Total height: Approx. 40mm
- Outer diameter (max): Approx. 16mm
- Grip range: 1mm to 7mm
- 5mm extension rod
- Material: Steel
- Shaft hole: 5 mm (+/-0.02 mm)
- ER11A Nut: External hexagonal nut
- Maximum total diameter: 19mm
- Thanks to its design, tools will never get stuck in the holder
