牙轮钻头的尺寸
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尺寸
型号(IADC)
英寸
mm
镶齿牙轮钻头
钢齿牙轮钻头
6
152.4
517, 537,617, 637
126.127.216.217.316.346.347
6 1/2
165.1
517, 537
126.127.216.217.316.346.347
7 7/8
200.0
517,527,547,617,627,637
126.127.216.217.316.346.347
8 1/2
215.9
437,447,517,537,617,627,637
126.127.216.217.316.346.347
9 1/2
241.3
437,517,537,547,617
126.127.216.217.316.346.347
9 5/8
244.5
437,517, 537,547,617
126.127.216.217.316.346.347
9 7/8
250.8
437,517, 537,547,617
126.127.216.217.316.346.347
12 1/4
311.1
437,517, 537,547,617,627,637
126.127.216.217.316.346.347
17 1/2
444.5Байду номын сангаас
517,537,617,627,637
126.127.216.217.316.346.347
24
609
417,517, 537,547,617,637
126.127.216.217.316.346.347
26
660
417,517, 537,547,617,637
126.127.216.217.316.346.347
型号(IADC)
英寸
mm
镶齿牙轮钻头
钢齿牙轮钻头
6
152.4
517, 537,617, 637
126.127.216.217.316.346.347
6 1/2
165.1
517, 537
126.127.216.217.316.346.347
7 7/8
200.0
517,527,547,617,627,637
126.127.216.217.316.346.347
8 1/2
215.9
437,447,517,537,617,627,637
126.127.216.217.316.346.347
9 1/2
241.3
437,517,537,547,617
126.127.216.217.316.346.347
9 5/8
244.5
437,517, 537,547,617
126.127.216.217.316.346.347
9 7/8
250.8
437,517, 537,547,617
126.127.216.217.316.346.347
12 1/4
311.1
437,517, 537,547,617,627,637
126.127.216.217.316.346.347
17 1/2
444.5Байду номын сангаас
517,537,617,627,637
126.127.216.217.316.346.347
24
609
417,517, 537,547,617,637
126.127.216.217.316.346.347
26
660
417,517, 537,547,617,637
126.127.216.217.316.346.347