This Impact Screwdriver Bit is cold forged from premium shock-resisting S2 tool steel with a hardness of 58-62HRC for superior strength.

• The square recess tip holds the screw more securely
• 1/4" hex shank with power groove for use in impact drivers
• 1/4" hex insert with retaining notch for use in bit holders and hand drivers
• 3X torque tested to exceed DIN standards by up to 330%
• Manganese phosphate coating for highest hardness
• The head has a slight taper which prevents cam-out

Sutton Tools Impact Screwdriver Bit comes with a magnetic tip to increase productivity and eliminate frustration when working at awkward angles or in tight spaces.