米制六角头全螺纹螺钉 NAS NAM 51474 (DS 51474) - 2011
| 选择规格尺寸 点击↓ 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 |
尺寸单位:
mm |
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| ①,螺纹：标准粗牙螺距公差等级 6g，符合 FED-STD-H28/21。 螺纹的可接受性应符合 FED-STD-H28/20 system 21。 ②,3 和 4 毫米直径的螺钉不应有锁线孔。 “h”尺寸应为“k”尺寸的 1/2。 指定时，钻头孔如下： 对于 5 毫米直径 - 在六边形平面中心 0.3 毫米范围内钻三个 90° X 1 毫米最小直径的沉头孔。 对于 6 和 8 毫米直径 - 在六角平面中心 0.3 毫米处钻三个沉孔，90° X 1.4 毫米最小直径。 对于 10 毫米和更大的直径 - 在 0.3 毫米的六角平面中心内钻三个 90° X 1.6 毫米最小直径的沉头孔。 ③,尺寸和公差符合 ANSI Y14.5M-1982。 ④,此尺寸不是 ISO 标准，除非特别订购宽度为 15 mm 的 M10 螺钉，否则应提供宽度为 16 mm 的 M10 螺钉。 |
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[国标] GB /T 32.1 - 2020 |
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