米制六角頭全螺紋螺釘 NAS NAM 51474 (DS 51474) - 2011
| 選擇規格尺寸 點擊↓ M3 ×0.5 M4 ×0.7 M5 ×0.8 M6 ×1 M8 ×1.25 M10 ×1.5 M10 ×1.5 M12 ×1.75 M16 ×2 M20 ×2.5 M24 ×3 M30 ×3.5 M36 ×4 |
尺寸單位:
mm |
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| ①,螺紋：标準粗牙螺距公差等級 6g，符合 FED-STD-H28/21。 螺紋的可接受性應符合 FED-STD-H28/20 system 21。 ②,3 和 4 毫米直徑的螺釘不應有鎖線孔。 “h”尺寸應為“k”尺寸的 1/2。 指定時，鑽頭孔如下： 對于 5 毫米直徑 - 在六邊形平面中心 0.3 毫米範圍内鑽三個 90° X 1 毫米最小直徑的沉頭孔。 對于 6 和 8 毫米直徑 - 在六角平面中心 0.3 毫米處鑽三個沉孔，90° X 1.4 毫米最小直徑。 對于 10 毫米和更大的直徑 - 在 0.3 毫米的六角平面中心内鑽三個 90° X 1.6 毫米最小直徑的沉頭孔。 ③,尺寸和公差符合 ANSI Y14.5M-1982。 ④,此尺寸不是 ISO 标準，除非特别訂購寬度為 15 mm 的 M10 螺釘，否則應提供寬度為 16 mm 的 M10 螺釘。 |
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