... 所以1/8=3.175mm當要找1/2時等於4/8等於4x3.175mm=12.7mm|維勳螺絲股份有限公司. ... 3/64″, 1.1906, 3厘75, 49/64″, 19.4469, 6分1厘25, 2-3/8″, 60.3250.
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