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英制开槽圆头螺钉 - B.S.W. & B.S.F. 螺纹 [Table 4] BS 450 - 1958

选择规格尺寸 点击↓

1/8

3/16

7/32

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

BS  450 - 1958 英制开槽圆头螺钉 - B.S.W. & B.S.F. 螺纹 [Table 4]

尺寸单位: inch
英标BS 450 - 1958 BS450 450BS 英制开槽圆头螺钉 - B.S.W. & B.S.F. 螺纹 [Table 4]
BS  450 - 1958 英制开槽圆头螺钉 - B.S.W. & B.S.F. 螺纹 [Table 4]
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螺纹尺寸
d
1/8 3/16 7/32 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4
d
PP 牙数/英寸 B.S.W.
B.S.F.
dk 最大值
最小值
k 最大值
最小值
n 最大值
最小值
t
r 粗杆 最大值
R 细杆 最大值
0.1250 0.1875 0.2188 0.2500 0.3125 0.3750 0.4375 0.5000 0.5625 0.6250 0.7500
40 24 / 20 18 16 14 12 12 11 10
/ 32 28 26 22 20 18 16 16 14 12
0.219 0.328 0.383 0.438 0.547 0.656 0.766 0.875 0.984 1.094 1.312
0.206 0.312 0.365 0.417 0.524 0.629 0.735 0.84 0.946 1.051 1.262
0.087 0.131 0.153 0.175 0.219 0.262 0.306 0.35 0.394 0.437 0.525
0.082 0.124 0.145 0.165 0.207 0.249 0.291 0.333 0.375 0.417 0.5
0.039 0.05 0.055 0.061 0.071 0.082 0.093 0.104 0.115 0.126 0.148
0.032 0.042 0.046 0.051 0.061 0.072 0.082 0.092 0.103 0.113 0.134
0.048 0.072 0.084 0.096 0.12 0.144 0.168 0.192 0.217 0.24 0.288
0.010 0.015 0.015 0.031 0.031 0.031 0.031 0.031 0.031 0.031 0.031
0.020 0.025 0.025 0.040 0.045 0.045 0.050 0.050 0.050 0.055 0.060
注:技术数据仅供参考,请以官方原件为准!
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