... 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 Cr+3, Zinc Yellow Cr+3, Zinc Yellow ... Product name hardware furniture Specification #4~#14 (M2.3~M6.3) Length: 3/8"~8" (9.5mm~203mm)MaterialMild carbon ...