螺紋量規(guī)【電工套管量規(guī)】產(chǎn)品說(shuō)明:
螺紋量規(guī)【電工套管量規(guī)】
JG3050-6螺紋量規(guī),《JG 3050-1998 電工套管》圖片6;
量規(guī)規(guī)格:16、20、25、32、40、50、63。
量規(guī)規(guī)格 | 螺紋量規(guī) | 平波量規(guī)孔徑±0.015
mm | 量規(guī)直徑DS
mm | 量規(guī)厚 b
mm | |||||
螺紋外徑 d min mm
| 結(jié)圓直徑 d2±0.012 mm
| d2直徑允許磨損 | 螺紋內(nèi)徑d2±0.012 mm | 制造公差 | |||||
螺距超過(guò)10個(gè)螺紋 mm | 螺紋半角 (’) | ||||||||
M16 | 16.090 | 14.982 | +0.025 5 | 14.344 | ±0.005 | ±12 | 15.593 | 45 | 12 |
M20 | 20.090 | 18.982 | +0.025 5 | 18.344 | ±0.005 | ±12 | 19.593 | 45 | 12 |
M25 | 25.090 | 23.982 | +0.025 5 | 23.344 | ±0.005 | ±12 | 24.593 | 60 | 16 |
M32 | 32.090 | 30.982 | +0.025 5 | 30.344 | ±0.005 | ±12 | 31.593 | 70 | 18 |
M40 | 40.090 | 38.982 | +0.025 5 | 38.344 | ±0.005 | ±12 | 39.593 | 70 | 18 |
M50 | 50.090 | 48.982 | +0.025 5 | 48.344 | ±0.005 | ±12 | 49.593 | 85 | 20 |
M63 | 63.090 | 61.982 | +0.025 5 | 61.344 | ±0.005 | ±12 | 62.593 | 100 | 20 |
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