5pcs Titanium Masonry Drill Bit 8mm Triangle Drill Bit w Hex Shank 12-13-14-15mm please allow the error +/-0

please allow the error +/-0

Mark the position size

Package Content: 25 Pcs x Cord Protector Relief Boot

Package come with the screws for easy installation

5pcs Titanium Masonry Drill Bit 8mm Triangle Drill Bit w Hex Shank 12-13-14-15mm please allow the error +/-01. 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,