Ingco 4-22mm Step Drill Bit AKSDS42203

Ingco 4-22mm Step Drill Bit 

Specification:

• Size:4-22mm
  
• Step:4-6-8-10-12-14-16-18-20-22mm
  
• Shank:round shank
  
• Titanium finishing
  
• Material:HSS 4341
  
• Packed by double blister