Maxigear M4 x 0.7mm Combination Drill & | AIMS Industrial

Made of High Speed Steel, Drill & Tap in one operation using either a portable power tool or a stationary drilling machine such as a pedestal drill. Back taper beyond tap helps prevent thread damage from over drilling. 1/4" hex shank ensures strong connection to the drill chuck. Designed to drill and tap through-holes up to 2 X nominal diameter. Drill point must break through the part prior to threading. Applications include, Electrical, Construction, Plumbing, Automotive, Cabinet Makers, Heating Ventilation & Air Conditioning installers