• 1/4" hex drive DIN 3126 and ISO 1173, style C 6.3 • For Phillips head screws • For high volume production and continuous use • High performance alloy steel • Torsion zone that absorbs torque peaks avoiding premature wear and tear and improving service life • Titanium nitride finish • Available in small blister pack of 2 pieces or plastic box of 5 pieces • Titanium coating for required hardness. Extremely wear resistant