型号
“A”尺寸
“B”尺寸
导杆尺寸
钻头尺寸
AT518HF
0.500
1.000
0.191
#30
AT518HJ
0.248
AT518KN
5/16
0.3105
AT518KF
0.3145
AT518GK
0.343
AT518KG
3/8
0.373
AT518GD
0.375
AT518HG
0.389
AT518KP
0.457
AT518HD
AT518HS
0.561
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