NPT 美國管螺紋55°螺紋刀片
內切圓 mm | 螺 距 TPI | 型 號 | H | L | B | α | ||
右螺紋 | 左螺紋 | |||||||
外螺紋
| 9.525 | 27 18 14 11.5 8 | 16ER27NPT 16ER18NPT 16ER14NPT 16ER115NPT 16ER8NPT | 16EL27NPT 16EL18NPT 16EL14NPT 16EL115NPT 16EL8NPT | 15.8 15.7 15.6 15.4 15.2 | 0.8 1.0 1.2 1.5 1.8 | 3.65 | 10° |
內螺紋
| 9.525 | 27 18 14 11.5 8 | 16NR27NPT 16NR18NPT 16NR14NPT 16NR115NPT 16NR8NPT | 16NL27NPT 16NL18NPT 16NL14NPT 16NL115NPT 16NL8NPT | 15.8 15.7 15.6 15.4 15.2 | 0.8 1.0 1.2 1.5 1.8 | 3.65 | 15° |
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BSPT 英國管螺紋55°螺紋刀片