Specifications:
Color: Black & Silver
Brand name: CNBTR
Weight: 299g

Motor Shaft Extension Rod:
Material: 40 chrome steel
Nut Type: Type A
Rod Hole Dia: 5mm/0.19Inch
Rod Diameter: 20mm/0.78Inch
Size: 41.2x25mm/1.62x0.98inch(L x Dia)

Spring Collets:
Material: Steel
Model: ER16 (10pcs, 1mm-10mm)
1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm
Length: 27.5mm/1.08inch
Diameter: 17mm/0.67inch

Features:
1. The nut can be tightened directly, with high rigidity and strong pulling force.
2. Parts such as the extended rod diameter are precision ground to avoid imbalance and increase the stability during handling.
3. The traditional ER drill chuck is only locked on the tool holder when installed and cannot be disassembled. When removing the nut, the eccentric nut is removed together with the drill chuck. Our motor spindle extensions solve this problem.
4. It is used to extend the motor spindle and can replace the drill chuck. It can perfectly match all kinds of straight shank tools when used with ER chucks.
5. Collet inner diameters size from 1mm, 2mm, 3mm to 10mm, 10 in total, 1piece for each size.

Installation steps:
1. Remove the nut and insert the eccentric
2. Insert the tool
3. Tighten the nut
4. Pull out the nut
5. Eccentric take out chuck

Package Content:
1 x Motor Extension Rod
10 x Lathe Collet

The unique MPN label on each inner package, which confirm it passed the quality inspection and it is genuine item sold from our shop. Please offer it to us when you need assistance.