Mini Electric Drill Chuck 0.3-4mm Jto Taper-Mounted Lathe PCB Drill Press for Motor Shaft Connecting Rod 3.17mm

Mini Electric Drill Chuck 0.3-4mm Jto Taper-Mounted Lathe PCB Drill Press for Motor Shaft Connecting Rod 3.17mm

Features

• 3.17mm Brass Mini Electric Motor Drill Bit of 0.3mm 4mm Drilling Axle of Drilling. 
  
• Drill Clamp JT0 Connecting Rod Connector 3.17mm Drill Motor Motor Shaft. 
  
• 3.17mm Motor Shaft Coupling BRASS Connector. 
  
• Adjusted with 3.17mm of motor shaft. 
  

Specification:

• Color: as picture. 
  
• Material: High Carbon Steel. 
  
• outside diameter: 21.5mm. 
  
• Taper: 2 degrees 49 minutes 24.7 seconds. 
  
• work with 0.3mm-4mm (0.01 ""-0.16"") Drilling Rigs. 
  
• the maximum tightening: 4.2mm. 
  
• Connection size: JT0 (inner hole diameter is 6mm). 
  
• JT0 larger diameter final cone: 6.350mm. 
  
• JT0 cone Smallest diameter end: 5,800mm. 
  
• 3.17mm Brass Mini Electric Motor Shaft. 
  

Package Includes:

 1 pcs Chucks.
1 key / key.
1 unit 3.17mm Connecting Rod. "