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螺距规(经济型) 注意: 精度不符合JJG螺纹
样板国家计量检定规程

4820-122
符合企业标准, 精度不符合
JJG螺纹样板国家计量检定规程
检测螺距
精度: ±0.07mm
中碳钢

公制 螺纹60°
型号 测量范围 包含的尺片螺距 尺片数量
4820-122 0.4-7.0mm 0.4, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7mm 22
0.25, 0.3, 0.35, 0.4, 0.5, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5,
4820-124 0.25-7.0mm 24
6, 6.5, 7mm
0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4,
4820-1241 0.25-6.0mm 24
4.5, 5, 5.5, 6mm
美标螺纹60°
型号 测量范围 包含的尺片螺距 尺片数量
4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 11-1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28,
4820-230 4-42TPI 30
30, 32, 34, 36, 38, 40, 42TPI
惠氏螺纹55°
型号 测量范围 包含的尺片螺距 尺片数量
4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 22, 24, 26, 27, 28, 30,
4820-330 4-42TPI 30
32, 34, 36, 38, 40, 42TPI
4, 4-1/2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 36, 40,
4820-328 4-62TPI 28
48, 60, 62TPI

公制 螺纹60° 和惠氏螺纹55° 组合
型号 测量范围 包含的尺片螺距 尺片数量
0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4,
0.25-6.0mm
4.5, 5, 5.5, 6mm
4820-452 52
4, 4-1/2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 36, 40,
4-62TPI
48, 60, 62TPI
0.4-7.0mm 0.4, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7mm
4820-450 4, 4-1/2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 36, 40, 50
18 4-62TPI 48, 60, 62TPI

公制 螺纹60° 和美标螺纹60° 组合
型号 测量范围 包含的尺片螺距 尺片数量
0.4-7.0mm 0.4, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7mm
4820-552 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 11-1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 52
4-42TPI
30, 32, 34, 36, 38, 40, 42TPI

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