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The thread angle of W ( whitworth screw ) is 55°, and the thread angle of U (Unified) is 60°, so it is not recommended to fit them together.
(FAQID:298)
w（ウィット）ねじとu（ユニファイ）ねじ | オーエスジー
W( whitworth screw ) Thread and U(Unified) Thread
No : 298
发表 : 2025/09/15 00:00
改 性 : 2025/09/18 03:27
