型号
“A”尺寸
“B”尺寸
导杆尺寸
钻头尺寸
AT518GB
0.500
1.000
0.593
#30
AT518HT
0.624
AT518N
0.6875
AT518GA
0.702
AT518GP
0.562
1.124
0.4375
AT518HW
0.592
1.184
0.811
AT518GN
0.595
1.190
AT518KH
7/16
0.625
1.250
0.435
AT518HB
0.687
1.375
0.191
AT518HC
0.405
AT518KJ
1/2
0.498
AT518GE
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