10pcs Titanium Masonry Drill Bit 3mm Triangle Drill Bit w Hex Shank 3/32"x3/16"x3/32" harden or break

harden or break

is not easy to loosen

Fit for: PCB drilling machines

Rubber Diameter (Big End) :45mm /1

Total Length: 126mm / 4

10pcs Titanium Masonry Drill Bit 3mm Triangle Drill Bit w Hex Shank 3/32"x3/16"x3/32" harden or break1. Made of quality carbide YG6X, the rust resistant treatment and reinforced head prevent the drill from cracking and provide longer service life. 2. Non slip 1 4 inch hex shank provides a tight grip to prevent the bit from slipping. Cross arrow design, accurate positioning, easy penetration of various materials. 3. This 1 4 inch hex shank drill bits can be used on power drill, hand drill and bench drill for drilling hole on glass, tile, wood,