Features:
- Used for 3.17mm motor shaft.
- The meaning of 3.17 mm (0.8-1) is the motor size is 3.17mm, clamping drill of 0.8 mm to 1 mm.
- Concentricity adjustment method: Before the lock bit need to adjust the concentricity.
- Otherwise, there will be a violent vibration.
- Power on rotate awhile on the smooth surface of the floor or glass. Lock bit after bit concentric.
Specifications:
- Material: Brass
- Color:gold(as picture show)
- Size: 25mm (L) x 8mm (Dia.)
- Diameter of back shaft (match the motor shaft): 3.17 mm
Package includes:
1 x 3.17mm drill chuck
