... assembly hardware 1.size:ST2.9~6.3 #6~#14 2.Standard:DIN ANSI GB BS 3.zinc plated 4.MOQ ... Notch, With Flute, Doubled Thread, With ShoulderPoint: #1 point, #2 point, #3 point, #4 point, #5 point, drilling point, z pointCoating: Zinc Plated Cr+6 , Zinc Plated ...