SS410 Self-drilling Screws

SS410 Stainless steel Self-drilling Screws made of SS410 stainless steel, the kind of material with good harkness after heat treatment;

Material: Stainless steel – SS410；hardened
Hardness: Max. HRC42;
For self-drilling screws for Pan head, Countersunk Head, Hex Washer head, Pan framing head;

Size: Diameter: 2.9mm-8mm , length to 150mm; inch size #6-#14, length to 4″.

SS410 material main composition as below:
C                  Mn              Si                     Cr
0.15%     1.00%       1.00%        11.50-13.50%