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Sell Metal sealed bearing 26inch rock button drilling bit for granite
Our product advantages: 1.The Top-notch quality 2.Extensive industrial experience 3.Cover almost all iadc CODE 4.Good
View ArticleSell 12 1/4 Inch Tricone Drill Bit IADC517-537
1. Specification of 12 1/4 Inch Tricone Drill Bit Material: High Manganese Steel Size : 12 1/4 Inch Tooth Type: Tungs
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