Specifications

REV.-A
3.1.4 Specifications for Screws
In the following sections, abbreviations are used for small parts, such as screws and washers. Tables
3-4 and 3-5 list these abbreviations.
Table 3-4. Abbreviations Used for Screws
Abbreviation
Part Name
CBS(C)
Cross-recessed Bind head Cone point S tight screw
CBB(C) Cross-recessed Bind head Cone point B tight screw
CB Cross-recessed Bind head screw
CBS(O)
Cross-recessed Bind head S tight with screw with Outside toothed lock washer
Table 3-5. Types of Screws and Abbreviations
Head
Body
Washer
(assembled)
Top
Side
.Cross-recessed head 1 .&nd 1 .Pjormal
1 ._Plain washer
0
+
w--’
O@Hb
P
~ , 2. S-tight
!.Slotted head
-
(with Notch)
-
0
2.Outside toothed
i&k washer
2.Pan
3. B-tight
03
30 Q
,I’ ,,‘I !I
, i/”
3.QJp
.c=
!/
4. Lapping
3.Spring washer
4. Truss
O(Q@
3-3