m6螺絲直徑：內六角螺栓
內六角螺栓
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M6~M12-不銹鋼-304
https://www.happylife.hk
M6~M12 不銹鋼304 六角頭全牙螺絲/螺栓. HKD 11.30 起. 公制螺絲直徑x 長度(每包數量). 請選擇, M6x10 (每包50件), M6x12 (每包50件), M6x16 (每包50件), M6x20 (每包20件) ...
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M6的螺丝其直径是6mm吗？
http://www.jsbdalloy.com
螺丝的直径来说会偏小，M6指的是GB国标的螺丝。按标准用卡尺量应该是5.88mm-5.92mm,但在实物中，M6的牙径基本上去到5.75mm-5.93mm这个范围。
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公、英制尺寸對照表
http://www.tongsheng-wu.com
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機械螺絲規格MM粗牙
https://bolt-tw.com
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機械螺絲規格MM細牙
https://bolt-tw.com
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機械螺絲規格表
https://screw-tw.com
M6, 1.0, 5.970, 5.820, 5.300, 5.250. M7, 1.0, 6.970, 6.820, 6.300, 6.250. M8, 1.25, 7.960 ... 外徑（D）, 輾造徑. MAX, MIN, MAX, MIN. #0, 80, 1.511, 1.431, 1.310 ...
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英制與公制換算對照表
https://screw-tw.com