型号
“A”尺寸
“B”尺寸
导杆尺寸
钻头尺寸
AT518GL
0.344
0.688
0.218
#40
AT518KT
#8
0.2265
AT518KU
#10
0.2555
AT518BF
#8/#10
0.281
AT518HL
0.290
AT518GM
0.312
AT518HP
0.375
0.750
AT518HH
0.372
AT518GH
0.397
AT518GF
0.437
AT518HN
0.467
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