Feature(may vary by option.)

●Easy to replace, perfect for cutting PCB for solder holes
●Drill bits have larger scrap exhaust space, less resistance, and work smoothly when scraped exhausts
●Made of high quality material, the fine grinding process makes the blade a little sharper
●Get in a superior storage container that easily grips the drill bit you need when you need it
●Reduces cutting resistance and broken drills and improves hole wall quality

[0.7mm]

[0.1mm]

[0.4mm]

[0.5mm]

[1.2mm]

[0.2mm]

[0.3mm]

Description

Features:
1. Using high quality material, fine grinding process, the blade edge is a little sharper
2. Drill bits have larger scrap exhaust space, less resistance and smooth for scrap-discharge