RECOMMENDED SCREW SIZES FOR ADDA FANS
(SELF TAPPING)
Hole size:
Screw size & Type
mm / in.
2.4 /.094 5-20 X length Phillips head Hi Lo STD or Type
25 (thread cutting)
2.8 /.110 6-20 X length Phillips head Hi Lo STD or Type
25 (thread cutting)
3.2 /.126 8-18 X length Phillips head Hi Lo STD or Type
25 (thread cutting)
3.5 /.137 10-16 X length Phillips head Hi Lo STD or Type
25 (thread cutting)
4.2 /.165 12-14 X length Phillips head Hi Lo STD or Type
25 (thread cutting)
4.5 /.177 12-14 X length Phillips head Hi Lo STD or Type
25 (thread cutting)
LENGTH SHOULD BE APPROPRIATE FOR YOUR APPLICATION
SEE MECHANICAL DRAWINGS
FOR HOLE SIZE IN FANS