Machinery's Handbook, 31st Edition
1804
BRITISH Machine Screws British Standard Machine Screws and Machine Screw Nuts—Metric Series l k l
a
b
r
90 +2
n
D D
d
Edge May Be Rounded or Flat, But Not Sharp Edges
t
Shank Dia. ≈ Effective Dia.
Shank Dia. ≈ Major Dia.
Slotted Countersunk Head Machine Screws
l
f
l
k
a r
b
90 +2
n
d
D D
R
Edge May Be Rounded or Flat, But Not Sharp Edges
t
Shank Dia. ≈ Effective Dia.
Shank Dia. ≈ Major Dia.
Slotted Raised Countersunk Head Machine Screws
k
l
l
R
a r
b
n
D
d
d a
t
Shank Dia. ≈ Effective Dia.
Shank Dia. ≈ Major Dia.
0 TO 5
Slotted Pan Head Machine Screws
k
l
l
R
a r
b
n
d
D
d a
t
Shank Dia. ≈ Major Dia.
Shank Dia. ≈ Effective Dia.
0 TO 5
Slotted Cheese Head Machine Screws
s
e
d
d
m
m
H exagon Nut s
e
Square Nu t
Machine Screw Nuts, Pressed Type, Square and Hexagon
For dimensions, see Table 1 through Table 5.
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