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U形叉-FK系列
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Clevises-FK series
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型 号
Part No.
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尺寸mm
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重量KG
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Dimensios
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Weight
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d1
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g
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a1
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a2
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b1
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b2
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d2
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d3
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f
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l1
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l2
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l3
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r
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Kg≈
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H9
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±0.5
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h11
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+0.30
-0.16
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B13
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Adm. variation
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Regular thread
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Fine-pitch thread
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±0.3
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±0.2
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±0.5
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Adm. variation
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±0.2
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FK 18×36
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18
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36
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36
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18
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18
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+0.70 +0.15
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M18×2.5
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30
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1.0
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94
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72
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±0.4
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27.0
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1.5
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0.39
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FK 18×36FG
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18
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36
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36
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18
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18
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M18×1.5
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30
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1.0
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94
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72
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27.0
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1.5
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0.39
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FK 20×40
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20
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40
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40
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20
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20
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M20×2.5
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34
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1.0
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105
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80
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30.0
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1.5
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0.55
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FK 20×40FG
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20
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40
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40
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20
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20
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M20×1.5
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34
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1.0
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105
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80
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30.0
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1.5
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0.55
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FK 20×80
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20
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80
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40
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20
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20
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M20×2.5
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34
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1.0
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145
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120
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30.0
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1.5
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0.8
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FK 20×80FG
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20
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80
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40
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20
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20
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M20×1.5
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34
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1.0
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145
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120
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30.0
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1.5
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0.8
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FK 25×50
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25
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50
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50
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25
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25
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M24×3
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42
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1.5
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132
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100
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36.0
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1.5
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1.1
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FK 25×50FG
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25
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50
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50
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25
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25
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M24×2
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42
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1.5
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132
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100
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36.0
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1.5
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1.1
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FK 28×56
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28
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56
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55
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28
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28
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M27×3
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48
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1.5
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148
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112
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40.0
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2.0
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1.5
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FK 28×56FG
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28
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56
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55
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28
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28
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M27×2
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48
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1.5
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148
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112
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40.0
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2.0
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1.5
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FK 30×54FG
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30
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54
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55
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30
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30
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M27×2
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48
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1.5
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148
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110
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40.0
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2.0
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1.44
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FK 30×60
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30
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60
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60
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30
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30
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M30×3.5
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52
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1.5
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160
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120
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42.0
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2.0
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1.97
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FK 30×60FG
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30
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60
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60
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30
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30
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M30×2
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52
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1.5
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160
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120
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42.0
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2.0
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1.97
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FK 35×54FG
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35
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54
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70
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35
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35
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M36×2
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60
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2.0
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188
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144
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54.0
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3.0
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2.93
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FK 35×72
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35
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72
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70
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35
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35
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M36×4
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60
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2.0
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188
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144
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54.0
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3.0
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2.93
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FK 35×72FG
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35
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72
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70
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35
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35
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M36×2
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60
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2.0
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188
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144
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54.0
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3.0
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2.93
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FK 36×72
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35
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72
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70
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36
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36
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M36×4
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60
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2.0
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188
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144
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54.0
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3.0
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2.93
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FK 36×72FG
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35
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72
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70
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36
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36
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M36×2
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60
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2.0
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188
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144
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54.0
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3.0
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2.93
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FK 40×84FG
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40
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84
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85
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40
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40
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M42×2
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70
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3.0
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232
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168
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63.5
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5.0
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5.64
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FK 42×84
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42
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84
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85
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42
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42
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M42×4.5
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70
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3.0
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232
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168
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63.5
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5.0
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5.34
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FK 42×84FG
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42
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84
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85
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42
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42
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M42×2
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70
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3.0
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232
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168
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63.5
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5.0
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5.34
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FK 50×96
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50
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96
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96
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50
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50
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M48×5
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82
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3.0
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265
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192
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73.0
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5.0
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7.86
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FK 50×96FG
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50
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96
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96
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50
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50
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M48×2
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82
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3.0
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265
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192
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73.0
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5.0
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7.86
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一、注：
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1. Notes：
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1) 标准: DIN 71752/DIN ISO 8140/CETOP
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1）Standard: DIN 71752/DIN ISO 8140/CETOP
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2) 螺纹型号:
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2）Code for thread:
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左螺纹--LH
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regular thread,left-handed----LH
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细牙螺纹---FG
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fine-pitch thread----FG
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细牙左螺纹---FGLH
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fine-pitch thread, left-handed----FGLH
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3) 半径或45° 斜角（由制造商选择）
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3）Radius or 45° bevelling(at manufacturer's choice)
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二、材料：
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2. Material：
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1）低碳钢 1020
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1）Low carbon steel 1020
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2）可选用不锈钢,铝
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2）Alternative: Stainless Steel ,Aluminum
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三、表面处理：
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3. Surface protection：
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表面光亮，上防锈油
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Polished and oiled
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或者表面镀蓝白锌或彩锌，钝化处理
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Optional: electroplated galvanized,
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passivated in white-blue or yellow
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