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① 1- :SKD2A/SKD11/DC53/SKH4C/SKH51A/
SKH55A/SKH57A/ASP60C/HSS-Co10.5%

② : (±0.01) *(±0.005)* (H7)* (±0.005)

③ : HRC64°~66° HRC68°~70°

④ : 5/1000mm .

⑤ K10/HFS10/MS11/PS40/SSA63/NSA920/VSA221/VWA441/VWA431
. :
 
    ◆.
 
Material

φ70.0
3.54
φ25.4
56
5.83
5.19
4.62
4.12
3.66
3.26
2.91
2.59
2.3
2.05
1.83
1.63
1.45
1.29
1.15
72
1.02
0.91
0.81
0.72
0.64
0.57
0.51
0.45
0.4
0.36
0.32
0.29
0.25
φ45.0
0.2
φ15.875
90
0.25
0.3
0.32
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
1.5
φ12.7
1.6
1.7
1.8
1.9
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9

φ45.0
3
φ15.875
90
3.1
3.2
3.3
3.4
3.5
φ12.7
3.6
3.7
3.8
3.9
4