Apex 6 point 7/16” hex power drive nutsetters. Apex male hex drive nutsetters allow nutrunning in all types of applications. Quality design and construction give Apex nutsetters a long service life and durability. Apex nutsetters have hex tolerances that are on average 48% tighter than DIN and 35% tighter than ANSI requirements. With Apex you are assured of an exact, sure fit. All Apex nutsetters have the tightest tolerances for straightness and concentricity in the industry. Apex nutsetters are specifically designed and manufactured for high impact use, and made from a tougher and more ductile alloy steel which is then heat treated for extra durability.