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    英制開槽圓頭螺釘 - B.S.W. & B.S.F. 螺紋 [Table 4] BS 450 - 1958

    選擇規格尺寸 點擊↓

    1/8

    3/16

    7/32

    1/4

    5/16

    3/8

    7/16

    1/2

    9/16

    5/8

    3/4


    尺寸單位: inch
    英標BS 450 - 1958 BS450 450BS 英制開槽圓頭螺釘 - B.S.W. & B.S.F. 螺紋 [Table 4]
    BS  450 - 1958 英制開槽圓頭螺釘 - B.S.W. & B.S.F. 螺紋 [Table 4]
    掃一掃分享
    螺紋尺寸
    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 牙數/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 粗桿 最大值
    R 細桿 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:技術數據僅供參考,請以官方原件為準!
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