
SAE J 81 - 1997-自挤自攻螺钉的机械性能 (三角锁紧螺纹)- 易紧通
①, 表中所列数值的目的是作为技术规范,供检验、衡量螺钉是否符合标准要求用,如果使用各种不同试验条件时,表列数值则不适用。 3.1 芯部硬度:28~38 HRC. 3.2 表面硬度:大于或等 …
J81_201207: Thread Rolling Screws - SAE International
This SAE Standard covers requirements for thread rolling screws suitable for use in general engineering applications. (It is intended that "thread rolling" screws have performance capabilities beyond those normally expected of other standard types of tapping screws.)
SAE J81 自擠自攻螺釘機械性能- 易緊通 - 164580
①, 表中所列數值的目的是作為技術規範,供檢驗、衡量螺釘是否符合标準要求用,如果使用各種不同試驗條件時,表列數值則不适用。 3.1 芯部硬度:28~38 HRC. 3.2 表面硬度:大于或等 …
J81 (WIP) Thread Rolling Screws - SAE International
2024年10月1日 · This SAE Standard covers requirements for thread rolling screws suitable for use in general engineering applications. (It is intended that "thread rolling" screws have performance capabilities beyond those normally expected of …
J81_201207: Thread Rolling Screws - Technical Standard - SAE …
2012年7月5日 · This SAE Standard covers requirements for thread rolling screws suitable for use in general engineering applications. (It is intended that "thread rolling" screws have performance capabilities beyond those normally expected of other standard types of tapping screws.)
SAE J 81-1997 (SAE J81-1997) - Thread Rolling Screws - ANSI …
This SAE standard covers requirements for thread rolling screws suitable for use in general engineering applications. (It is intended that 'thread rolling' screws have performance capabilities beyond those normally expected of other standard types of tapping screws.)
SAE J81 自擠自攻螺釘材料及工藝要求- 易緊通 - 164580
①, 自擠自攻螺釘應由符合表中化學成分要求的鎮靜鋼采用冷镦工藝加工制造。 ②, 熱處理:自擠自攻螺釘應在氣體滲碳設備中熱處理。 如果采用連續 (不是分批)淬火工藝,能夠穩定地确保 …
SAE International - J81_201207 - Thread Rolling Screws | GlobalSpec
2012年7月5日 · This SAE Standard covers the dimensional and general specifications, including performance requirements, for carbon steel self-drilling tapping screws suitable for use in general applications having...
自擠自攻螺釘的機械性能 (三角鎖緊螺紋) SAE J 81 - 164580
SAE J81 自擠自攻螺釘材料及工藝要求
SAE J81 自挤自攻螺钉的尺寸要求 - 易紧通
③, 这些尺寸适用于螺纹圆周有些部位比其他型式(叶片状、椭圆、三点圆等)离螺钉轴线更远的螺钉形式。 ④, 表列数值等于3.5倍螺距,圆整到小数点后三位。 ⑤, 表列数值等于2倍螺距,圆整到小数点后三位。 ⑦, 螺纹和末端尺寸应符合表中规定。 螺纹应符合60°基本牙型;但不需要进行螺纹测量。 末端形状由制造者选择,但应保证所有规定尺寸和螺钉性能符合该表中要求。 ⑧, 螺纹长度:对于公称长度等于或小于表中所列公称长度的螺钉,全螺纹应在接近头部的位置延伸, …