FASTENER ABBREVIATION LIST
ST
Phillips Truss Head Machine Screw
SP
Phillips Pan Head Machine Screw
SF
Phillips Flat Head Machine Screw
SS
Phillips Pan Head Machine Screw with Split Lock Washer
SW
Phillips Pan Head Machine Screw with Split Lock Washer
and Flat Washer
T1
Phillips Truss Head Tapping Screw (Correspond to Type A)
T2
Phillips Truss Head Tapping Screw (Correspond to Type B)
T3
Phillips Truss Head Tapping Screw (Correspond to Type C)
FT
Phillips Truss Head Tapping Screw (Special)
BH
Hexagon Head Bolt
BC
Socket Head Cap Screw
BS
Hexagon Bolt with Split Washer
BW
Hexagon Bolt with Split Washer and Flat Washer
BF
Hexagon Flange Bolt
BR
Cross-Recessed Hexagon Head Bolt
BRW
Cross-Recessed Hexagon Head Bolt with Split Lock Washer
and Flat Washer
WL
Split Lock Washer
WT
External Tooth Washer
WF
Flat Washer
WS
Spring Washer
NH
Hexagon Nut
NF
Hexagon Flange Nut
NC
Hexagon Cap Nut
NS
Square Nut
NW
Wing Nut
Ex.
ST0308S (Phillips Truss Head Machine Screw,
3x8, made of stainless steel)
Material
None: Plated Steel
Length (mm)
S:
Stainless Steel
Nominal Diameter (mm)
B:
Brass
Form of Head
P:
Plastic
Description
(Note) Second character is numerical except the list.
Ex. S1, S2, B3 etc.
And abbreviations and names are shown under the illustration.
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