British Standard Whitworth (BSW) and Fine (BSF) Precision Hexagon Bolts, Screws, and Nuts
A
F
R
F
R
F
R
45
C
B G D
B G D
D
0.015
0.015
30
30
30
Alternative Ends 1 / 4 1 " D Rad. Approx.
Hexagon Head Bolt, Washer Faced
Hexagon Head Screw, Washer Faced
Alternative Full-Bearing Head
Rounded End Rolled Thread End
Alternative Hexagon Ordinary Nuts
A
A
E
E
E
H
0.015
D
C
C
D
G
Chamfer
30
30
30
30 Hexagon Lock-Nut
30
30
– 120 + 10 Enlarged View of Nut Countersink
Hexagon Nut, Full
Washer Faced
Ordinary Bearing Double Chamfered Alternative Hexagon Slotted Nuts
Alternate Hexagon Castle Nuts
P
J
Sharp Edge Removed
J
P
A
N
N
J
P
A
H
K
0.015
0.015
L
C
M
D
G
D
C
M
G
L
30
30
30 Hexagon Slotted Nut, Full Bearing For dimensions, see Table 1 and Table 2.
30
30 30 Double Chamfered
30
30
Double Chamfered
Washer Faced
Hexagon Castle Nut, Full Bearing
Washer Faced
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