British Standard Fine

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A thread form based upon the British Standard Whitworth form but with a finer thread (more threads per inch for a given diameter). This thread form was first introduced in 1908, the thread form is specified in BS 84: 1956.

abbreviations

  • BSF - British Standard Fine

standards

  • BSI Standards
    • BS 84:1956 - Specification for parallel screw threads of Whitworth form