Name: Hexagonal Washer Head Self-Drilling Tapping Screw
    Detail: Hex washer drilling screw
    d dk s k l
    3.5 8.3 5.5 3.4 13-51
    3.9 8.3 5.5 3.8 13-80
    4.2 8.8 7.0 4.0 13-100
    4.8 10.5 8.0 4.3 13-100
    5.5 11.0 8.0 5.3 19-130
    6.3 13.2 10.0 6.3 19-200