Willing Int'l is a professional supplier in the field of steel structure construction. we can supply many kinds of fasteners,bol

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

self drilling screw