六角長形螺母

六角長形螺母, 也稱為延伸螺母，是用於連接兩個陽螺紋的螺紋緊固件，最常見的是螺紋桿。[1][2][3]緊固件的外側通常是六角形，因此扳手可以握住它。變型包括“減少連接螺母”，用於連接兩個不同尺寸螺紋的“視孔連接螺母”，它們有一個觀察孔，用於觀察接合量和用左手螺紋連接螺母。這些用於由較短長度的桿組成長桿組件。桿擰入聯接螺母一定距離。聯接螺母尺寸由工業緊固件協會以標準IFI-128描述。這是一個簡單的完成。根據所用的棒料，它可以是冷拉或熱軋。有兩種不同的螺紋尺寸和輪廓螺紋連接螺母被稱為異徑接頭螺母。[1]

六角長形螺母及其正視圖

可以使用延伸螺母向內擰緊桿組件或向外按壓桿組件。[4][5]

參考

. About Nuts, Materials, and Finishes. McMaster-Carr. [26 March 2013]. （原始内容存档于2019-12-14）.
. KisanEngineers.com. Kisan Engineers Machine Tools. [2019-01-11]. （原始内容存档于2011-12-27）.
American Railway Master Mechanics' Association. sixth. New York: Simmons-Boardman. 1922: 32.
Nunn, Richard V. . New York: Hearst Books. 1982: 54. ISBN 978-0-87851-150-1.
Olin, L.; Stanland, A.; Allard, F. . O'Donnell-Leach, Karen (编). . Fiber Optics Reprint Series Volume 14. Brighton, Massachusetts: Information Gatekeepers Inc. 1987: 58–63, page 61.

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[McMaster-Carr-1-1] . About Nuts, Materials, and Finishes. McMaster-Carr. [26 March 2013]. （原始内容存档于2019-12-14）.

[2] . KisanEngineers.com. Kisan Engineers Machine Tools. [2019-01-11]. （原始内容存档于2011-12-27）.

[3] American Railway Master Mechanics' Association. sixth. New York: Simmons-Boardman. 1922: 32.

[4] Nunn, Richard V. . New York: Hearst Books. 1982: 54. ISBN 978-0-87851-150-1.

[5] Olin, L.; Stanland, A.; Allard, F. . O'Donnell-Leach, Karen (编). . Fiber Optics Reprint Series Volume 14. Brighton, Massachusetts: Information Gatekeepers Inc. 1987: 58–63, page 61.