self drilling screw

Self Drilling Screw Features:

1) Standard: DIN7504

2) Length: 19 - 250mm

3) Diameter: 2.9 - 6.3mm

4) Finishment:

    a) White zinc

    b) Yellow zinc

    c) Blacking

    d) Grey phosphor

    e) Black phosphor

     f) Gold brass

    g) Black zinc

    h) Plating nicke

     i) Plating chrome

     j) Electrophoresis black

    k) Dacrotized

5) Socket specifications: 6 x 6, 8 x 8, 10 x 10, 12 x 12