Canon iPF780 Series Service Manual page 318

1-5. Hexagon Head Tapping Screws for Matallic Materials
B
For metallic materials
For metallic materials with clawed
1-6. Special Tapping Screws
f
k
Binding head
2-42
H L
L
Head size (mm)
M3 M4
8 10
5.5 5.5
3.1 3.1
3.2 3.2
Head size (mm)
M3 M4
6.3 8.3
1.3 1.7
1.9 2.5