19.4.3 Shackle Pins
The types of shackle pin covered by this code are shown in Figure 19.4.3-1 to Figure 19.4.3-10 .
Dee and bow shackles of higher tensile steel type may be fitted with any of the pin types A, B, C, D, E and F. Grab shackles may only be fitted with pins type C or D.
Alloy steel shackles are available with three types of pin are designated, types W, X and Y. These are respectively similar in shape to types A, E and C referred to above.
Pin types 1-4 inclusive are alloy steel for shackles and may be readily identified by flats on the side of the pin collar or head.
Figure 19.4.3-1 Screwed pin with eye and collar (types A and W).
Figure 19.4.3-2 Screwed pin with eye and collar (type B)
Figure 19.4.3-3 Countersunk screwed pin with slotted head (types C and Y)
Figure 19.4.3-4 Countersunk screwed pin with sunk square socket (type D)
Figure 19.4.3-5 Bolt with hexagon head, hexagon nut and split cotter pin (types E and X)
Figure 19.4.3-6 Plain cylindrical pin with circular head and forelock (type F)
Figure 19.4.3-7 Screwed pin with eye and collar (type 1)
Figure 19.4.3-8 Screwed pin with circular head (type 2)
Figure 19.4.3-9 Bolt with circular head, hexagon nut and split cotter pin (type 3)
Figure 19.4.3-10 Plain cylindrical pin with circular head and forelock (type 4)