ねじのピッチとサイズを確認する方法 |技術的なヒント |スウェージロック [2020]
What size is 3 8 thread?
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What is 3 8 thread size?
What size hole for a 3 8 thread?
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What size hole do you drill for a 3 8 thread?
ボルトのサイズとネジのサイズを確認する
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304 stainless steel pipe with 3 8 thread
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