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Click Specification

Unit:inch

Slotted 90° Raised-Countersunk Head Screws with B.S.W. & B.S.F. Threads [Table 3]

BS 450 - 1958

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英标BS 450 - 1958 BS450 450BS Slotted 90° Raised-Countersunk Head Screws with B.S.W. & B.S.F. Threads [Table 3]
英标BS 450 - 1958 BS450 450BS Slotted 90° Raised-Countersunk Head Screws with B.S.W. & B.S.F. Threads [Table 3]
Thread Size
d
1/8 3/16 7/32 1/4 5/16 3/8
d
PP No. of Threads/Inch B.S.W.
B.S.F.
dk ref
max
min
k max
f Nominal Size
n max
min
t Nominal Size
0.1250 0.1875 0.2188 0.2500 0.3125 0.3750
40 24 / 20 18 16
/ 32 28 26 22 20
0.237 0.356 0.415 0.475 0.594 0.712
0.219 0.328 0.383 0.438 0.547 0.656
0.201 0.307 0.36 0.412 0.518 0.624
0.056 0.084 0.098 0.113 0.141 0.169
0.026 0.040 0.044 0.051 0.068 0.080
0.039 0.050 0.055 0.061 0.071 0.082
0.032 0.042 0.046 0.051 0.061 0.072
0.047 0.071 0.083 0.095 0.120 0.144
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