Ingco (4-22mm) Step Drill Bit AKSDS42203

Ingco (4-22mm) Step Drill Bit AKSDS42203

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